DRC

DGS

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FEATURES

APPLICATIONS

DESCRIPTION

VBAT

LBI

EN

ADEN

VOUT

LBO

FB

COMP

SW

GND

10 F

m

L1

10 H

m

R3

22 F

m

10 pF

10 nF

100 kW

6

9

1

8

4

2

3

10

5

7

OFF

ON

OFF

ON

VOUT = 3.3 V

Low Battery

Warning

TPS61016

R1

R2

TPS61010, TPS61011

TPS61012, TPS61013

TPS61014, TPS61015, TPS61016

SLVS314D – SEPTEMBER 2000 – REVISED JUNE 2005

HIGH-EFFICIENCY, 1-CELL AND 2-CELL BOOST CONVERTERS

The converter output voltage can be adjusted from

1.5 V to a maximum of 3.3 V, by an external resistor

•

Integrated Synchronous Rectifier for Highest

divider or, is fixed internally on the chip. The devices

Power Conversion Efficiency (>95%)

provide an output current of 200 mA with a supply

•

Start-Up Into Full Load With Supply Voltages

voltage of only 0.9 V. The converter starts up into a

as Low as 0.9 V, Operating Down to 0.8 V

full load with a supply voltage of only 0.9 V and stays

in operation with supply voltages down to 0.8 V.

•

200-mA Output Current From 0.9-V Supply

•

Powersave-Mode for Improved Efficiency at

The converter is based on a fixed frequency, current

mode, pulse-width-modulation (PWM) controller that

Low Output Currents

goes automatically into power save mode at light

•

Autodischarge Allows to Discharge Output

load. It uses a built-in synchronous rectifier, so, no

Capacitor During Shutdown

external Schottky diode is required and the system

•

Device Quiescent Current Less Than 50

µA

efficiency is improved. The current through the switch

is limited to a maximum value of 1300 mA. The

•

Ease-of-Use Through Isolation of Load From

converter can be disabled to minimize battery drain.

Battery During Shutdown of Converter

During shutdown, the load is completely isolated from

•

Integrated Antiringing Switch Across Inductor

the battery.

•

Integrated Low Battery Comparator

An autodischarge function allows discharging the

•

Micro-Small 10-Pin MSOP or 3 mm x 3 mm

output capacitor during shutdown mode. This is

QFN Package

especially useful when a microcontroller or memory is

supplied, where residual voltage across the output

•

EVM Available (TPS6101xEVM-157)

capacitor can cause malfunction of the applications.

When programming the ADEN-pin, the autodischarge

function can be disabled. A low-EMI mode is im-

•

All Single- or Dual-Cell Battery Operated Prod-

plemented to reduce interference and radiated elec-

ucts Like Internet Audio Players, Pager, Port-

tromagnetic energy when the converter enters the

able Medical Diagnostic Equipment, Remote

discontinuous conduction mode. The device is pack-

Control, Wireless Headsets

aged in the micro-small space saving 10-pin MSOP

package. The TPS61010 is also available in a 3 mm

x 3 mm 10-pin QFN package.

The TPS6101x devices are boost converters intended

for systems that are typically operated from a single-

or dual-cell nickel-cadmium (NiCd), nickel-metal hy-

dride (NiMH), or alkaline battery.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2000–2005, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.