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reference designSGM66057A | Demoboard SGM66057A

SG-Micro SGM66057A | Demoboard SGM66057A

2.4MHz, 5.0V Output Synchronous Tiny Boost Converter with a 3.45A Switch

Overview

TopologyBoost Converter
Input voltage2.7-4.85 V
Output 15 V / 3.45 A
IC revision00

Description

The SGM66057A is an internally compensated, 2.4MHz switching frequency, current mode, synchronous Boost switching converter. The output voltage is fixed at 5.0V. The SGM66057A implements a MODE pin to configure forced PWM mode or auto PFM mode at light loads. Its output is disconnected by the rectifier circuit during shutdown, with no input to output leakage.Various protection features such as over-current, short-circuit and over-temperature are implemented to protect the device from various fault conditions.The SGM66057A is available in a Green WLCSP- 1.26×1.21-9B package.

Features

  • 2.7V to 4.85V Operating Input Voltage Range
  • 5.0V Fixed Output Voltage
  • Up to 96.8% Efficiency
  • 3.45A (TYP) Valley Switch Current Limit
  • 2.4MHz (TYP) Switching Frequency
  • Selectable Forced PWM or Auto PFM Mode at Light Load
  • Input and Output Disconnect when EN Low
  • Output Short-Circuit and Over-Voltage Protections-
  • Thermal Shutdown Protection
  • Available in a Green WLCSP-1.26×1.21-9B Package

Typical applications

  • Boost from Single cell Li-Ion Battery
  • Portable and Wearable Devices
  • Smart Phones and Tablets
  • USB OTG

More information

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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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744373240047
SPECWE-LHMI SMT Power Inductor, 0.47 µH, 8.7 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance0.47 µH
Performance Rated Current8.7 A
Saturation Current @ 10%10.4 A
Saturation Current @ 30%19.6 A
DC Resistance14 mΩ
Self Resonant Frequency122 MHz
MountSMT 
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