[PDF] What is NCP4328 CONTROLLER? (742376)

The NCP4328 is Secondary Side CV/CC Controller made by ON Semiconductor.

Brief overview of the content in a NCP4328 PDF file

NCP4328 Secondary Side CV CC Controller The NCP4328 is a secondary side SMPS controller designed for use in applications which requires constant current and or constant current regulation The NCP4328x consists of two OTA amplifiers for voltage and current loop regulation with precise internal voltage references Outputs of OTAs are open drain type OTAs sink current only The NCP4328B includes a LED driver pin implemented with an open drain MOSFET driven by a 1 kHz square wave with a 12 5 duty cycle working when VCC is above UVLO for indication purpose The NCP4328A is available in TSOP 5 package while the NCP4328B is available in TSOP 6 package Features Operating Input Voltage Range 2 5 V to 36 0 V Supply current 100 mA 0 5 Reference Voltage Accuracy TJ 25 C Constant Voltage and Constant Current A versions Control Loop Indication LED PWM Modulated Driver NCP4328B These Devices are Pb Free Halogen Free BFR Free and are RoHS Compliant Typical Applications Offline Adapters for Notebooks Game Stations and Printers LED Lightening High Power AC DC Converters for TVs Set Top Boxes Monitors etc www onsemi com 5 1 MARKING DIAGRAMS TSOP 5 SN SUFFIX CASE 483 5 XXXAYWG G 1 TSOP 6 SN SUFFIX