原边反馈控制器
Touch FT839x系列是高性能的Flyback恒压恒流控制器，应用于各类充电器/适配器，满足DoE 6级能效6/COC V5 Tier 2能效要求。该产品采用原边反馈方式，无需光耦和TL431反馈，功率范围满足0-30W。此外，该系列产品还具有高的恒压（CV）和恒流（CC）精度以及各类丰富齐全的保护功能。新一代FT8395采用创新技术，以较低的成本实现更高的效率和卓越的EMI性能。
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| Part No. | Topology | Max V/Pout 90V-265V | Power Device | CC | CV | Package | Feature | ||||||||||||||||||||||||||||||||||||||||||
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| FT8395 | PSR | 0-30W | sNPN® | ±3% | ±5% | SOP8/DIP8 | X*3% Cable Comp. | ||||||||||||||||||||||||||||||||||||||||||
| FT839NAx | PSR | 5W | Internal NPN | ±3% | ±5% | SOP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT839NX/FT839MX controller device is optimized for high-performance, low power switching mode power supply applications. The FT839NX/FT839MX facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT839NX/FT839MX can achieve both highest average efficiency， fast dynamic load response and super low standby power. FT839NX and FT839MX satisfy DoE Level 6 requirements with production margin from 5V/1A to 5V/2.4A applications, respectively. Furthermore, FT839NX/FT839MX features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT839NX is available in SOP8/DIP8 package. FT839MX is available in SOP8 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE Level 6 requirements from 5V/1A to 5V/2.4A applications No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN/MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance |
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| FT839NBx | PSR | 6W | Internal NPN | ±3% | ±5% | SOP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT839NX/FT839MX controller device is optimized for high-performance, low power switching mode power supply applications. The FT839NX/FT839MX facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT839NX/FT839MX can achieve both highest average efficiency， fast dynamic load response and super low standby power. FT839NX and FT839MX satisfy DoE Level 6 requirements with production margin from 5V/1A to 5V/2.4A applications, respectively. Furthermore, FT839NX/FT839MX features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT839NX is available in SOP8/DIP8 package. FT839MX is available in SOP8 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE Level 6 requirements from 5V/1A to 5V/2.4A applications No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN/MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance 查看详情 |
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| FT839NDx | PSR | 10W | Internal NPN | ±3% | ±5% | SOP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT839NX/FT839MX controller device is optimized for high-performance, low power switching mode power supply applications. The FT839NX/FT839MX facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT839NX/FT839MX can achieve both highest average efficiency， fast dynamic load response and super low standby power. FT839NX and FT839MX satisfy DoE Level 6 requirements with production margin from 5V/1A to 5V/2.4A applications, respectively. Furthermore, FT839NX/FT839MX features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT839NX is available in SOP8/DIP8 package. FT839MX is available in SOP8 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE Level 6 requirements from 5V/1A to 5V/2.4A applications No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN/MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance 查看详情 |
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| FT839NDDx | PSR | 12W | Internal NPN | ±3% | ±5% | DIP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT839NX/FT839MX controller device is optimized for high-performance, low power switching mode power supply applications. The FT839NX/FT839MX facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT839NX/FT839MX can achieve both highest average efficiency， fast dynamic load response and super low standby power. FT839NX and FT839MX satisfy DoE Level 6 requirements with production margin from 5V/1A to 5V/2.4A applications, respectively. Furthermore, FT839NX/FT839MX features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT839NX is available in SOP8/DIP8 package. FT839MX is available in SOP8 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE Level 6 requirements from 5V/1A to 5V/2.4A applications No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN/MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance |
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| FT839Dx | PSR | 30W | External NPN/MOS | ±3% | ±5% | SOT23-5 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT839Dx controller device is optimized for high-performance, low power switching mode power supply applications. The FT839Dx facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT839Dx can achieve both highest average efficiency and fast dynamic load response. Furthermore, FT839Dx features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT839Dx is available in SOT23-5 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response No audible noise over entire operating range Applications from 1W to more than 18W output Direct drive of BJT or MOS switch Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection Open Circuit Protection 查看详情 |
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| FT8391NDDx | PSR | 12W | Internal NPN | ±3% | ±5% | DIP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8391NDDX controller device is optimized for high-performance, low power switching mode power supply applications. The FT8391NDDX facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT8391NDDX can achieve both highest average efficiency， fast dynamic load response and super low standby power. FT8391NDDX satisfy DoE Level 6 requirements with production margin from 5V/1A to 5V/2.4A /12V1A applications, respectively. Furthermore, FT8391NDDX features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT8391NDDX is available in DIP8 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE Level 6 requirements from 5V/1A to 5V/2.4A /12V1A applications No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN/MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance DIP8 package 查看详情 |
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| FT8393NDx | PSR | 12W | Internal NPN | ±3% | ±5% | SOP7 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8393NDx is a Flyback controller targeting at high-performance Constant Current/Constant Voltage applications. The FT8393NDx facilitates CC/CV charger design by eliminating an opto-coupler and TL431. FT8393NDx operates in quasi-resonant mode and adaptive PFM control for highest average efficiency for AC/DC power applications. Power supplies built with FT8393NDx can achieve both highest average efficiency, fast dynamic load response and super low standby power. FT8393NDx satisfy DoE VI and CoC Tier2 requirements with production margin for 5V/2A and 5V/2.4A applications, respectively. Furthermore, FT8393NDx features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. When FT8393NDx is used with FT8370x, good under-shoot performance and higher conversion efficiency can be achieved 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE VI & CoC Tier2 requirements No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance Excellent capacitive loading start-up performance FT8370x Awaking Signal Detection 查看详情 |
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| FT8393MBx | PSR | 12W | Internal MOS | ±3% | ±5% | SOP7 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8393Mxx is a Flyback controller targeting at high-performance Constant Current/Constant Voltage applications. The FT8393Mxx facilitates CC/CV charger design by eliminating an opto-coupler and TL431. FT8393Mxx operates in quasi-resonant mode and adaptive PFM control for highest average efficiency for AC/DC power applications. Power supplies built with FT8393Mxx can achieve both highest average efficiency, fast dynamic load response and super low standby power. FT8393Mxx satisfy DoE VI and CoC Tier2 requirements with production margin. Furthermore, FT8393Mxx features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. When FT8393Mxx is used with FT8370x, good under-shoot performance and higher conversion efficiency can be achieved 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE VI & CoC Tier2 requirements No audible noise over entire operating range Optimization for capacitive loading Built-in power MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance Excellent capacitive loading start-up performance FT8370 Awaking Signal Detection |
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| FT8393MDx | PSR | 15W | Internal MOS | ±3% | ±5% | SOP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8393Mxx is a Flyback controller targeting at high-performance Constant Current/Constant Voltage applications. The FT8393Mxx facilitates CC/CV charger design by eliminating an opto-coupler and TL431. FT8393Mxx operates in quasi-resonant mode and adaptive PFM control for highest average efficiency for AC/DC power applications. Power supplies built with FT8393Mxx can achieve both highest average efficiency, fast dynamic load response and super low standby power. FT8393Mxx satisfy DoE VI and CoC Tier2 requirements with production margin. Furthermore, FT8393Mxx features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. When FT8393Mxx is used with FT8370x, good under-shoot performance and higher conversion efficiency can be achieved 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE VI & CoC Tier2 requirements No audible noise over entire operating range Optimization for capacitive loading Built-in power MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance Excellent capacitive loading start-up performance FT8370 Awaking Signal Detection 查看详情 |
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| FT8393MDDx | PSR | 17W | Internal MOS | ±3% | ±5% | DIP7 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8393Mxx is a Flyback controller targeting at high-performance Constant Current/Constant Voltage applications. The FT8393Mxx facilitates CC/CV charger design by eliminating an opto-coupler and TL431. FT8393Mxx operates in quasi-resonant mode and adaptive PFM control for highest average efficiency for AC/DC power applications. Power supplies built with FT8393Mxx can achieve both highest average efficiency, fast dynamic load response and super low standby power. FT8393Mxx satisfy DoE VI and CoC Tier2 requirements with production margin. Furthermore, FT8393Mxx features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. When FT8393Mxx is used with FT8370x, good under-shoot performance and higher conversion efficiency can be achieved 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE VI & CoC Tier2 requirements No audible noise over entire operating range Optimization for capacitive loading Built-in power MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance Excellent capacitive loading start-up performance FT8370 Awaking Signal Detection 查看详情 |
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| FT8393M | PSR | 30W | External MOS | ±3% | ±5% | SOT23-5 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8393Mxx is a Flyback controller targeting at high-performance Constant Current/Constant Voltage applications. The FT8393Mxx facilitates CC/CV charger design by eliminating an opto-coupler and TL431. FT8393Mxx operates in quasi-resonant mode and adaptive PFM control for highest average efficiency for AC/DC power applications. Power supplies built with FT8393Mxx can achieve both highest average efficiency, fast dynamic load response and super low standby power. FT8393Mxx satisfy DoE VI and CoC Tier2 requirements with production margin. Furthermore, FT8393Mxx features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. When FT8393Mxx is used with FT8370x, good under-shoot performance and higher conversion efficiency can be achieved 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfy DoE VI & CoC Tier2 requirements No audible noise over entire operating range Optimization for capacitive loading Built-in power MOS Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance Excellent capacitive loading start-up performance FT8370 Awaking Signal Detection |
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| FT8783NDx | PSR | 10W | Internal NPN | ±3% | ±5% | SOP7 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT8783NX controller device is optimized for high-performance, low power switching mode power supply applications. The FT8783NX facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT8783NX can achieve both highest average efficiency， fast dynamic load response and super low standby power. FT8783NX satisfy DoE Level 6 /CoC V5 Tier2 requirements with production margin. Furthermore, FT8783NX features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response Satisfies DoE Level 6 /CoC V5 Tier2 requirements from 5V/1A to 5V/2.4A applications No audible noise over entire operating range Optimization for capacitive loading Built-in power NPN Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection CV Open-loop Protection Excellent capacitive loading start-up performance |
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| FT838NBx | PSR | 5W | Internal NPN | ±3% | ±5% | SOP8 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT838NB/FT838RNA controller device is optimized for high-performance, low power switching mode power supply applications. The FT838NB/FT838RNA facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT838NB can achieve both highest average efficiency and fast dynamic load response. FT838RNA is optimized for LED driver applications with slightly higher (~22uA) standby current. Furthermore, FT838NB/FT838RNA features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT838NB/FT838RNA is available in SOP8 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response No audible noise over entire operating range Built-in power NPN Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection Open Circuit Protection |
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| FT838Dx | PSR | 30W | External NPN/MOS | ±3% | ±5% | SOT23-5 | x*3% Cable Comp | ||||||||||||||||||||||||||||||||||||||||||
产品简介 :The FT838D/FT838R controller device is optimized for high-performance, low power switching mode power supply applications. The FT838D/FT838R facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications. Power supplies built with FT838D can achieve both highest average efficiency and fast dynamic load response. FT838R is optimized for LED driver applications with slightly higher (~22uA) standby current. Furthermore, FT838D/FT838R features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT838D/FT838R is avilabel in SOT23-5 package. 产品特点 :Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control Proprietary technology enabling high efficiency and fast dynamic response No audible noise over entire operating range Applications from 1W to more than 18W output Direct drive of BJT or MOS switch Built-in Cable Compensation Built-in Line Compensation Primary-side feedback eliminates opto-coupler and TL431 Cycle-by-Cycle Current Limiting Over Temperature Protection VCC Over Voltage Protection Open Circuit Protection 查看详情 |
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