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reference designSGM61132 | Demoboard SGM61132

SG-Micro SGM61132 | Demoboard SGM61132

SGM61132 Demo Board Test Report 4.5V~17V Input (12V TYP), 3.3V/3A Output

Overview

TopologyBuck Converter
Input voltage4.5-17 V
Output 13.3 V / 3 A
IC revision00

Description

The SGM61132A is an adaptive constant on-time control (ACOT) synchronous Buck converter with a wide input voltage range of 4.5V to 17V. This device has 3A output current capability and operates at pseudo-fixed frequency. It is an easy-to-use device with power switches and internal compensation circuit, which are all integrated in a small 6-pin package, and supports low equivalent series resistance (ESR) output capacitors. A typical 1ms soft-start ramp is also included to minimize the inrush current.

Features

  • Wide 4.5V to 17V Input Voltage Range
  • 0.806V to 7V Output Voltage Range
  • 3A Continuous Output Current
  • Integrated 56mΩ/35mΩ Power MOSFETs
  • Shutdown Current: 1μA (TYP)
  • 1ms Internal Soft-Start Time
  • Pseudo-Fixed 500kHz Switching Frequency
  • Adaptive Constant On-Time Mode Control
  • Pulse-Skip Mode
  • Cycle-by-Cycle Over-Current Limit
  • Thermal Shutdown with Auto Recovery
  • Available in a Green SOT-563-6 Package

Typical applications

  • 12V Distributed Power Supply Buses
  • White Goods
  • Industrial and Consumer Applications

More information

Products

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Data­sheet
Simu­lation
Downloads
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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74437349033
SPECWE-LHMI SMT Power Inductor, 3.3 µH, 7.5 A
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Downloads9 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance3.3 µH
Performance Rated Current7.5 A
Saturation Current @ 10%7.9 A
Saturation Current @ 30%15.1 A
DC Resistance20.9 mΩ
Self Resonant Frequency26 MHz
MountSMT 
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