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reference designBD9130NV

ROHM BD9130NV

2.7V to 5.5V, 2.0A 1ch Synchronous Buck Converter with Integrated FET

Overview

TopologyBuck Converter
Input voltage2.7-5.5 V
Switching frequency800-1200 kHz
Output 12.5 V / 2 A
IC revision003

Description

BD9130NV is ROHM’s high efficiency step -down switching regulator designed to provide a voltage as low as 1V from a supply voltage of 5.5V/3.3 V. It offers high efficiency by using pulse skip control technology and synchronous switches, and provides fast transient response to sudden load changes by implementing current mode control.

Features

  • Fast Transient Response because of Current Mode PWM Control System
  • High Efficiency for All Load Ranges because of Synchronous Switches (Nch/Pch FET) and SLLM (Simple Light Load Mode)
  • Soft-Start Function
  • Thermal Shutdown and UVLO Functions
  • Short-Circuit Protection with Time Delay Function
  • Shutdown Function

Typical applications

  • Power Supply for LSI including DSP, Microcomputer and ASIC

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
SamplesAvailability & Sample
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74438336022
SPECWE-MAPI SMT Power Inductor, 2.2 µH, 3.6 A
Simu­lation
Availability
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Downloads10 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance2.2 µH
Performance Rated Current3.6 A
Saturation Current @ 30%5.55 A
DC Resistance67 mΩ
Self Resonant Frequency42 MHz
Operating Voltage80 V
MountSMT 
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