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BD7679G - PWM Control Type DC/DC Converter

Description

BD7679G is a PWM controller type DC/DC converter IC 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 electrical 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 without load (Burst operation when load is light).
  • Built-in SW frequency hopping function.
  • 250ns leading-edge blanking.
  • VCC UVLO / OVP (Auto restart).
  • Per-cycle over current protection circuit.
  • Soft start.
  • Output overload protection(Auto-restart protection).
  • External stop function for COMP pin (Auto restart).
  • Appli.

📥 Download Datasheet

Datasheet Details

Part number BD7679G
Manufacturer ROHM
File Size 785.91 KB
Description PWM Control Type DC/DC Converter
Datasheet download datasheet BD7679G 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 BD7679G ●General Description BD7679G is a PWM controller type DC/DC converter IC 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 electrical 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 cycles, application excels wide bandwidth and transient response. BD7679G 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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