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features

Regulated 3-V or 3.3-V Output Voltage With

up to 20-mA Output Current From a

0.9-V to 1.8-V Input Voltage Range

High Power Conversion Efficiency (up to

90%) Over Wide Output Current Range,

Optimized for 1.2-V Battery Voltage

Snooze Mode for Improved Efficiency at

Low-Output Current

Additional Output With 2 Times VI (OUT1)

Device Quiescent Current Less Than 2 μA

Supervisor Included; Open Drain or

Push-Pull Power Good Output

No Inductors Required/Low EMI

Only Five Small, 1-μF Ceramic Capacitors

Required

Microsmall 10-Pin MSOP Package

applications

Pagers

Battery-Powered Toys

Portable Measurement Instruments

Home Automation Products

Medical Instruments (Like Hearing

Instruments)

Metering Applications Using MSP430

Microcontroller

Portable Smart Card Readers

description

The TPS6031X step-up, regulated charge pumps

generate a 3-V ±4% or 3.3-V ±4% output voltage

from a 0.9-V to 1.8-V input voltage (one alkaline,

NiCd, or NiMH battery).

Only five small 1-μF ceramic capacitors are required to build a complete high-efficiency dc/dc charge pump

converter. To achieve the high efficiency over a wide input voltage range, the charge pump automatically selects

between a 3x or 4x conversion mode.