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BD7672BG - DC/DC Converter

Datasheet Summary

Description

BD7672BG is a PWM controller typed DC/DC converter for AC/DC that provides an optimum system for all products that requires an electrical outlet.

This product supports both isolated and non-isolated devices.

IC enables simple design of low-power converters.

Features

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  • PWM frequency of 65kHz.
  • PWM current mode method.
  • Low circuit current when UVLO is ON (12μA at VCC=12V).
  • Low circuit current in no load (Burst operation when load is light).
  • Built-in SW frequency hopping function.
  • 250nsec leading-edge blanking.
  • VCC UVLO / OVP.
  • Per-cycle over current protection circuit.
  • Soft start.
  • Output overload protection (Self-restart protection).
  • External latch function for COMP pin (Over heating protection function).

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Datasheet preview – BD7672BG

Datasheet Details

Part number BD7672BG
Manufacturer ROHM
File Size 1.41 MB
Description DC/DC Converter
Datasheet download datasheet BD7672BG Datasheet
Additional preview pages of the BD7672BG datasheet.

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Full PDF Text Transcription

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Datasheet PWM Control Type DC/DC Converter IC for AC/DC Driver BD7672BG ●General Description BD7672BG is a PWM controller typed DC/DC converter for AC/DC that provides an optimum system for all products that requires an electrical outlet. This product supports both isolated and non-isolated devices. IC enables simple design of low-power converters. With switching MOSFET and current detection resistor as external devices, it enables more freedom in design. Since the peak current control is utilized, peak current is controlled in each cycle, application excels wide bandwidth and transient response. BD7672BG includes various protective functions such as soft start function, burst function, per-cycle over current limiter, VCC overvoltage protection and overload protection.
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