NCP1901DR2G ONSEMI [ON Semiconductor], NCP1901DR2G Datasheet
NCP1901DR2G
Related parts for NCP1901DR2G
NCP1901DR2G Summary of contents
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... Wafer Lot Year WW = Work Week G = Pb−Free Package ORDERING INFORMATION Device Package NCP1901DR2G SOIC−16 (Pb−Free) NCP1901DWR2G SO−20 WB (Pb−Free) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D ...
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SO− OSC 4 GND 5 VREF 6 PFB 7 PCS 8 PZCD 9 PControl 10 VCC PDRV PZCD V DD > 5.65 V Clamp PControl < 2.25 V PFC Clamp Error Amplifier PFB ...
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Table 1. PIN FUNCTION DESCRIPTION 20 Pin 16 Pin Name This is the input of the high voltage startup regulator and connects directly to the bulk voltage. A constant current source supplies current from this pin to ...
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Table 2. MAXIMUM RATINGS (Notes 1 and 2) Rating High Voltage Input Voltage High Voltage Input Current Supply Input Voltage Supply Input Current Oscillator Input Voltage Oscillator Input Current Bandgap Reference Decoupling Output Voltage Bandgap Reference Decoupling Output Current PFC ...
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Table 3. ELECTRICAL CHARACTERISTICS V = open open PDRV HDRVlo HVS values T = 25°C, for min/max values Characteristics STARTUP AND SUPPLY CIRCUITS Supply Voltage Startup Threshold Minimum Enable Threshold ...
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Table 4. ELECTRICAL CHARACTERISTICS V = open open PDRV HDRVlo HVS values T = 25°C, for min/max values Characteristics PFC CURRENT SENSE Current Sense Threshold Voltage Current Sense Input Bias ...
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Table 5. ELECTRICAL CHARACTERISTICS V = open open PDRV HDRVlo HVS values T = 25°C, for min/max values Characteristics HALF BRIDGE HIGH SIDE DRIVER Half−Bridge High Side Driver Rise Time ...
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Introduction The NCP1901 is a combination of PFC and half−bridge resonant controllers optimized for off−line adapter applications. This device includes all the features needed to implement a highly efficient and small form factor adapter. It integrates a critical conduction mode ...
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Voltage Reference The internal voltage reference, V REF the controller to ease compensation requirements. The reference voltage is typically 7 0 required for stability. The reference should not be loaded with external circuitry. PFC Regulator The ...
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Off Time Control The PFC off time varies with the instantaneous line voltage and it is adjusted every cycle to allow the inductor current to reach zero before the next switch cycle begins. The inductor is demagnetized once its current ...
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PFC Undervoltage The NCP1901 safely disables the controller if the PFB pin is left open. An undervoltage detector disables the controller if the voltage on the PFB pin is below V , typically 0. 1.2 mA (typical) pull ...
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PACKAGE DIMENSIONS 20X 0. 18X A1 T SO−20 WB CASE 751D−05 ISSUE G q NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS ...
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G K −T− SEATING PLANE 0.25 (0.010 The products described herein (NCP1901) may be covered by one or more of the following U.S. patents: 6,373,734. There may be other ...