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BD7684FJ-LB Datasheet(PDF) 1 Page - Rohm |
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BD7684FJ-LB Datasheet(HTML) 1 Page - Rohm |
1 / 30 page Datasheet ○ Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays . 1/27 TSZ02201-0F1F0A200050-1-2 17.Apr.2015. Rev.001 © 2015 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 www.rohm.com Low Noise Quasi-Resonant Control DC/DC converter IC for AC/DC Converter BD7682FJ-LB BD7683FJ-LB BD7684FJ-LB BD7685FJ-LB General Description This is the product guarantees long time support in the Industrial market. BD768xFJ series is a Quasi-resonant controller type DC/DC converters that provide an optimum system for all products that include an electrical outlet. Quasi-resonant operation enables soft switching and helps to keep EMI low. Design with a high degree of flexibility is achieved with switching MOSFETs and current detection resistors as external devices. The built-in brown out function monitors the input voltage as part of system optimization. The burst mode function reduces input power at low power. BD768xFJ series include various protection functions, such as a soft start function, burst function, per-cycle over-current limiter function, overvoltage protection function, overload protection function, and brown out function. BD768xFJ series include a gate-clamp circuit for optimal driving SIC-MOSFET. Features Pin 8 : SOP-J8 Package (6.00mm × 4.90mm : 1.27mm pitch <TYP>) Quasi-resonant type (low EMI) Frequency reduction mode Low current consumption (19µA), during standby Low current consumption when no load (burst operation when light load) Maximum frequency (120kHz) CS Pin Leading-Edge Blanking VCC UVLO (Under Voltage Drop Out protection) VCC OVP (Over Voltage Protection) Per-cycle over-current protection circuit Soft start ZT trigger mask function Voltage protection function (brown out) ZT OVP (Over Voltage Protection) Gate-clamp circuit Typical Application Circuit Key Specifications Operating Power Supply Voltage Range: VCC 15.0V to 27.5V Normal Operating Current: 0.80mA(Typ) Burst Operating Current: 0.50mA(Typ) Maximum Frequency: 120kHz(Typ) Operating Temperature: -40°C to +105°C Package 4.90mm x 6.00mm x 1.65mm pitch 1.27mm (Typ.) (Typ.) (TYP.) (TYP.) Lineup FBOLP VCCOVP BD7682FJ AutoRestart Latch BD7683FJ Latch Latch BD7684FJ AutoRestart AutoRestart BD7685FJ Latch AutoRestart Applications Industrial equipment, AC Adaptor, Household appliances SOP-J8 4.90mm x 6.00mm x 1.65mm |
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