Datasheet 3.0V to 30V Input 1ch Buck Controller BD63536FJ General Description Key Specifications The BD63536FJ is a gate direct drive switching Power Supply Voltage Range: 3.0V to 30V regulator operating at a power supply voltage from 3V Error Amplifier Reference Voltage: 1.25V 1% to 30V. This regulator uses a compact package SOP-J8 Output Current (Peak): 200mA(Max) and operates as a switching regulator for the voltage Oscillation Frequency: 300kHz(Max) control type of step-down DC/DC converter. The Operating Temperature Range: -25C to +85C regulator features reliable design with 1% reference voltage accuracy, built-in current limit function ( 4%), and a variety of built-in protection circuits. Package W(Typ) x D(Typ) x H(Max) Features Gate Direct Drive Available (External Pch FET, V -5.4V) CC Built-in Current Limit Function (150mV 4%) Built-in Gate-off Function Built-in Soft Start 2.5V Regulator Output Voltage Variable External Oscillation Frequency SOP-J8 Built-in Thermal Shutdown Circuit 4.90mm x 6.00mm x 1.65mm Applications Laser Beam Printers, MFPs, PPCs, etc. Typical Application Circuit VIN VREF VCC VREG UVLO TSD C.L. R COMP OVP CS OSC OSC GATE OFF C 1.25v GATE Controller COMP Soft Start R FB1 GATEOFFOVP TSDUVLO R FB2 GND IN- FB Figure 1. Typical Application Circuit Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0P2P0AJ00850-1-2 2014 ROHM Co., Ltd. All rights reserved. 1/17 TSZ2211114001 23.Oct.2014 Rev.001 BD63536FJ Pin Configuration SOP-J8 T(TOOPP VI VIEEWW ) OSC GND VCC VREF FB CS IN- GATE Pin Descriptions Pin No. Pin Name Function 1 OSC PWM frequency setting 2 VREF 2.5V regulator output 3 FB Error amplifier output 4 IN- Error amplifier input 5 GATE Gate output 6 CS Current limit input 7 VCC Power supply 8 GND Ground Block Diagram VREF VCC VREG UVLO TSD C.L. COMP OVP CS OSC GATE OSC OFF GATE Controller COMP Soft Start GATEOFF GND IN- FB www.rohm.com TSZ02201-0P2P0AJ00850-1-2 2014 ROHM Co., Ltd. All rights reserved. 2/17 TSZ2211115001 23.Oct.2014 Rev.001