Actual Size

3 mm x 3 mm

www.ti.com

FEATURES

DESCRIPTION

APPLICATIONS

COMP

GND

VIN

EN

IN

VREF

FB

OUT

PS_GND

SW

PowerPAD

C4

VIN

VOUT

C2

R2

R3

D1

L1

C5

C6

TPS63700

R1

C1

0.22 mF

22 mF

4.7 mH

0.1 mF

10 mF

2.7 V To 5.5 V

4.7 nF

−5 V

TPS63700

SLVS530 – SEPTEMBER 2005

DC-DC INVERTER

•

Adjustable Output Voltage Down to –15 V

The TPS63700 is an inverting dc-dc converter gener-

ating a negative output voltage down to –15 V with

•

2.7-V to 5.5-V Input Voltage Range

output currents up to 360-mA, depending on in-

•

Up to 360-mA Output Current

put-voltage to output-voltage ratio. With a total ef-

•

1000-mA Typical Switch Current Limit

ficiency up to 84%, the device is ideal for portable

•

Up to 84% Efficiency

battery-powered equipment. The input voltage range

of 2.7-V to 5.5-V allows the TPS63700 to be directly

•

Typical 1.4-MHz Fixed-Frequency PWM

powered from a Li-ion battery, from 3-cell NiMH/NiCd,

Operation

from a 3.3-V or 5-V supply rail. The TPS63700 comes

•

Thermal Shutdown

in a small 3-mm x 3-mm SON-10 package. Further-

more, the high switching frequency of typically 1.4

•

Typical –19 V Output Overvoltage Protection

MHz allows the use of small external components.

•

1.5-

µA Shutdown Current

This, and the small package make a small power

•

Small 3-mm x 3-mm SON-10 Package (DRC)

supply solution possible.

The inverter operates with a fixed-frequency PWM

control topology. The device has an internal current

•

Generic Negative Voltage Supply

limit, overvoltage protection, and a thermal shutdown

•

Small-to-Medium Size OLED Displays

for highest reliability under fault conditions.

•

PDAs, Pocket PCs, Smartphones

•

Bias Supply

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.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 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.