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reference designBD9G341AEFJ

ROHM BD9G341AEFJ

12V to 76V input voltage range 3A output current 1ch Buck Converter Integrated FET

Overview

TopologyBuck Converter
Input voltage35-60 V
Switching frequency180-220 kHz
Output 16.3 V / 2 A
IC revision001

Description

The BD9G341AEFJ is a buck switching regulator withintegrated 150mΩ power MOSFET. Current modearchitecture provides fast transient response and asimple phase compensation setup. The operatingfrequency is programmable from 50kHz to 750kHz.Additional protection features are included such asOver Current Protection, Thermal shutdown and Undervoltage lockout. The under voltage lockout andhysteresis can be set by external resistor .

Features

  • Wide input voltage range from 12V to 76V.
  • Integrated 80V/3.5A/150mΩ NchFET.
  • Current mode.
  • Variable frequency from 50kHz to 750kHz.
  • Accurate reference voltage.( 1.0 V±1.5 %).
  • Precision ENUVLO threshold ( ±3%).
  • Soft-start function
  • 0uA Standby current
  • Over Current Protection (OCP), Under Voltage
  • Lockout(UVLO), Thermal-Shutdown(TSD),Over Voltage Protection (OVP)
  • Thermally enhanced HTSOP-J8 package

Typical applications

  • Industrial distributed power applications
  • Battery powered equipment

More information

Products

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Data­sheet
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
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74437368330
SPECWE-LHMI SMT Power Inductor, 33 µH, 3.75 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance33 µH
Performance Rated Current3.75 A
Saturation Current @ 10%3.3 A
Saturation Current @ 30%7.4 A
DC Resistance112 mΩ
Self Resonant Frequency6 MHz
MountSMT 
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