Datasheet4U Logo Datasheet4U.com

SP6641B Datasheet 500ma Alkaline DC/dc Boost Regulator

Manufacturer: Sipex

Overview: ® SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23 s Ultra Low Quiescent Current: 10µA s Wide Input Voltage Range: 0.9V to 4.5V s 90mA IOUT at 1.3V Input (SP6641A-3.3V) s 500mA IOUT at 2.6V Input (SP6641B-3.3V) s 100mA IOUT at 2.0V Input (SP6641A-5.0V) s 500mA IOUT at 3.3V Input (SP6641B-5.0V) s Fixed 3.3V or 5.0V Output Voltage s Up to 87% Efficiency s 0.3Ω NFET RDSon s Startup Voltage Guaranteed at 0.9V s 0.

Datasheet Details

Part number SP6641B
Manufacturer Sipex
File Size 120.55 KB
Description 500mA Alkaline DC/DC Boost Regulator
Datasheet SP6641B_SipexCorporation.pdf

General Description

The SP6641 is an ultra-low quiescent current, high efficiency, DC-DC boost converter designed for single and dual cell alkaline, or Li-ion battery applications found in PDA’s, MP3 players, and other handheld portable devices.

The SP6641

Key Features

  • a 10µA quiescent current, a 0.3Ω Nchannel charging switch, 0.9V input startup, and a 0.33A or 1.0A inductor current limiting feature. The SP6641 is offered in a 5 pin SOT-23 package and provides an extremely small power supply footprint optimized for portable.

More Datasheets from Sipex

Part Number Description
SP6641A 500mA Alkaline DC/DC Boost Regulator
SP6642 Step-Up DC-DC Converter
SP6643 Step-Up DC-DC Converter
SP6644 High Efficiency Boost DC-DC Regulator
SP6645 High Efficiency Boost DC-DC Regulator
SP6648 Ultra-low Quiescent Current / High Efficiency Boost Regulator
SP6649 Ultra-low Quiescent Current / High Efficiency Boost DC-DC Regulator
SP6650 High Efficiency 600mA Synchronous Buck Regulator Ideal for portable designs powered with Li Ion battery
SP6651A High Efficiency 800mA Synchronous Buck Regulator
SP6652 1A / High Efficiency / High Frequency Current Mode PWM Buck Regulator

SP6641B Distributor