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SGM6600 - 90% Efficient Synchronous Step-Up Converter

Description

The SGM6600 is a 1.2MHz, constant frequency, current mode, synchronous, step-up switching regulator.

Its output current can go as high as 75mA while using a single-cell alkaline, and discharge it down to 0.9V.

It can also be used for generating 5V at 500mA from a 3.3V rail or a Li-ion battery.

Features

  • 90% Efficient Synchronous Boost Converter 75mA Output Current at 3.3V from 0.9V Input 150mA Output Current at 3.3V from 1.8V Input.
  • Device Quiescent Current: 200µA (TYP).
  • Lower than 1µA in Shutdown Status.
  • Input Voltage Range: 0.9V to 5.5V.
  • 3.3V and 5.0V Fixed Output Voltage.
  • Adjustable Output Voltage Up to 5.5V.
  • Power-Save Mode Version Available for Improved Efficiency at Low Output Power.
  • Load Disconnect During Shutdown.
  • Over Temperature Protection.

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Datasheet preview – SGM6600

Datasheet Details

Part number SGM6600
Manufacturer SG Micro
File Size 383.06 KB
Description 90% Efficient Synchronous Step-Up Converter
Datasheet download datasheet SGM6600 Datasheet
Additional preview pages of the SGM6600 datasheet.

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Full PDF Text Transcription

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SGM6600 90% Efficient Synchronous Step-Up Converter with 1.2A Switch GENERAL DESCRIPTION The SGM6600 is a 1.2MHz, constant frequency, current mode, synchronous, step-up switching regulator. Its output current can go as high as 75mA while using a single-cell alkaline, and discharge it down to 0.9V. It can also be used for generating 5V at 500mA from a 3.3V rail or a Li-ion battery. High switching frequency minimizes the sizes of inductor and capacitor. Integrated power MOSFETs and internal compensation make the SGM6600 simple to use and fit the total solution in a compact space. For light load current, the SGM6600 enters into the power saving mode to maintain high efficiency. Antiringing control circuitry reduces EMI concerns by damping the inductor in discontinuous mode.
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