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features

Regulated 3.3-V Output Voltage From a

1.8-V to 3.6-V Input Voltage Range

UltraLow Operating Current in Snooze

Mode, Typical 2 μA

Less Than 5-mV(PP) Output Voltage Ripple

Achieved With Push-Pull Topology

Integrated Low-Battery and Power-Good

Detector

Switching Frequency Can Be Synchronized

to External Clock Signal

Extends Battery Usage With up to 90%

Efficiency and 35-μA Quiescent Current

Easy-To-Design, Low Cost, Low EMI Power

Supply Since No Inductors Are Used

Compact Converter Solution in UltraSmall

10-Pin MSOP With Only Four External

Capacitors Required

Evaluation Module Available

(TPS60210EVM-167)

applications

Replaces DC/DC Converters With Inductors

in Battery-Powered Applications Like:

? Two Battery Cells to 3.3-V Conversion

? MSP430 Ultralow-Power Microcontroller

and Other Battery Powered

Microprocessor Systems

? Glucose Meters and Other Medical

Instruments

? MP3 Portable Audio Players

? Backup-Battery Boost Converters

? Cordless Phones, PDAs

description

The TPS6021x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V

input voltage. These devices are typically powered by two alkaline, NiCd, or NiMH battery cells or by one primary

lithium MnO2 (or similar) coin cell and operate down to a minimum supply voltage of 1.6 V. Continuous output

current is a minimum of 100 mA for the TPS60210 and TPS60211, and 50 mA for the TPS60212 and TPS60213,

all from a 2-V input.