SP6656 - High Efficiency 400mA Synchronous Buck Regulator

Sipex

Datasheet Details

Part number	SP6656
Manufacturer	Sipex
File Size	325.36 KB
Description	High Efficiency 400mA Synchronous Buck Regulator
Datasheet	SP6656 Datasheet

General Description

The SP6656 is a 400mA synchronous buck regulator that is ideal for portable applications that use a Li-Ion or 3 cell alkaline/NiCD/NiMH input.

The SP6656’s proprietary control loop, 20µA light load quiescent current, and 0.3Ω power switches provide excellent efficiency across a wide range of output currents.

As the input battery supply decreases towards the output voltage the SP6656 seamlessly transitions into 100% duty ratio operation further extending useful battery life.

Overview

SP6656 High Efficiency 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage.

Key Features

98% Efficiency Possible.
Offered in small 2.4 x 2.5mm DFN.
Ultra-low 20µA Quiescent Current.
625mA Inductor Peak Current Limit.
Guaranteed Minimum 400mA Output Current.
2.7V to 5.5V Input Voltage Range.
Output Adjustable Down to 1.0V.
100% Duty Ratio Low Dropout Operation.
80µA Light Load Quiescent Current in Dropout.
Dynamic Adjustable Output Voltage.
Ideal for portable designs powered with Li Ion battery PVIN 1 VIN 2 OVSO 3 OVSI 4 EN 5.

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