FAN6751MR Fairchild Semiconductor, FAN6751MR Datasheet
FAN6751MR
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FAN6751MR Summary of contents
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... Range FAN6751MRMY -40°C to +105°C For Fairchild’s definition of “green” Eco Status, please visit: © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Description The highly integrated FAN6751 series of PWM controllers provides several features to enhance the performance of flyback converters. To minimize standby power consumption, a proprietary ...
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... Application Diagram Internal Block Diagram © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Figure 1. Typical Application Figure 2. Functional Block Diagram 2 www.fairchildsemi.com ...
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... VDD OVP trigger point. 8 GATE The totem-pole output driver. Soft-driving waveform is implemented for improved EMI. © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 F: Fairchild logo Z: Plant code X: 1 digit year code Y: 1 digit week code TT: 2 digits die run code T: Package type (N:DIP, M:SOP) ...
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... All voltage values, except differential voltages, are given with respect to the network ground terminal. 2. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Parameter (1, 2) ＜50°C) A All pins except HV pin ...
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... Temperature Deviation V Section IN V PWM Turn-off Threshold Voltage IN-OFF V PWM Turn-on Threshold Voltage IN-ON V PWM Latch-off Threshold Voltage IN-LATCH T PWM Latch-off Debounce Time VIN-LATCH © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 . Conditions V – 0.16V DD-ON V =15V, GATE DD Open V +0.1V TH-OLP V =90V (V =120V =10µ ...
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... Threshold Voltage for SENSE Short- V S-SCP Circuit Protection Delay Time for SENSE Short-Circuit t D-SSCP Protection T Period During Soft-Startup Time SS PWM Frequency f OSC f OSC-G © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Conditions FB Pin Open <0.15V SENSE Startup Time FB-ZDC ...
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... Notes: 3. When activated, the output is disabled and the latch is turned off. 4. The threshold temperature for enabling the output again and resetting the latch, after over-temperature protection has been activated. © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Conditions V =15V, I =50mA ...
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... Typical Performance Characteristics Figure 6. Startup Current (I Figure 8. Start Threshold Voltage (V vs. Temperature Figure 10. Supply Current Drawn from HV Pin (I vs. Temperature © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 ) vs. Temperature Figure 7. Operation Supply Current (I DD-ST ) Figure 9. Minimum Operating Voltage (V DD-ON ) Figure 11. HV Pin Leakage Current After Startup ...
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... Typical Performance Characteristics Figure 12. Frequency in Nominal Mode (f vs. Temperature © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 (Continued) ) Figure 13. Maximum Duty Cycle (DCY OSC vs. Temperature 9 ) MAX www.fairchildsemi.com ...
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... DD This UVLO hysteresis window ensures that hold-up capacitor is adequate to supply V © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Gate Output / Soft Driving The BiCMOS output stage is a fast totem-pole gate driver. Cross conduction has been avoided to minimize heat dissipation, increase efficiency, and enhance reliability ...
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... T = +150°C. J © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 Limited Power Control The FB voltage increases every time the output of the power supply is shorted or overloaded. If the FB voltage DD remains higher than a built-in threshold for longer than ...
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... Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2008 Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0 1.75 4 ...
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... Fairchild Semiconductor Corporation FAN6751MR • Rev. 1.0.0 13 www.fairchildsemi.com ...