(China (Mainland))
Product Summary
The NCP1377BDR2G is a PWM Current-Mode Controller for Free-Running Quasi-Resonant Operation. The NCP1377BDR2G combines a true current mode modulator and a demagnetization detector which ensures full borderline/critical Conduction Mode in any load/line conditions together with minimum drain voltage switching(Quasi-Resonant operation).
Parametrics
NCP1377BDR2G absolute maximum ratings: (1)Continuous Power Supply or Drive Voltage:18 V; (2)Transient Power Supply Voltage, Duration <10 ms, IVCC<20mA:25 V; (3)Maximum Voltage on all other pins except Pin 8 (HV), Pin 6 (VCC) and Pin 5 (Drv):-0.3V to 10 V; (4)Maximum Current into all pins except VCC (6), HV (8) and Demag(1) when 10 V ESD diodes are activated:5.0 mA; (5)Maximum Current in Pin 1:+3.0/-2.0 mA; (6)Thermal Resistance, Junction-to-Case:57℃/W; (7)Thermal Resistance, Junction-to-Air, SOIC Version:178℃/W; (8)Thermal Resistance, Junction-to-Air, PDIP Version:100℃/W; (9)Maximum Junction Temperature:150℃; (10)Temperature Shutdown:155℃; (11)Hysteresis in Shutdown:30℃; (12)Storage Temperature Range:-60℃ to +150℃; (13)ESD Capability, HBM Model (All pins except VCC and HV):2.0 kV; (14)ESD Capability, Machine Model:200 V; (15)Maximum Voltage on Pin 8 (HV), Pin 6 (VCC) Decoupled to Ground with 10μF:500V.
Features
NCP1377BDR2G features: (1)Free-Running Borderline/Critical Mode Quasi-Resonant Operation; (2)Latched Overvoltage Protection; (3)Auto-Recovery Short-Circuit Protection Via UVLO Crossover; (4)External Latch Triggering, e.g. Via Overtemperature Signal; (5)Current-Mode with Adjustable Skip Cycle Capability; (6)Internal 1.0 ms Soft-Start; (7)Internal Temperature Shutdown; (8)Internal Leading Edge Blanking; (9)500 mA Peak Current Source/Sink Capability; (10)Under Voltage Lockout Level of 12.5 V (On) and 7.5 V (Min); (11)Direct Optocoupler Connection; (12)SPICE Models Available for TRANsient Analysis; (13)Internal Minimum TOFF; (14)Pb-Free Packages are Available.
Diagrams
| Image | Part No | Mfg | Description |  |
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 NCP1377BDR2G |
ON Semiconductor |
Current Mode PWM Controllers Quasi Resonant Current Mode PWM |
Data Sheet |
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