Actual Size

(3 mm x 3 mm)

EN1

FB1/NC

EN2

FB2/NC

NR

10

9

8

7

6

IN

NC

OUT1

OUT2

GND

1

2

3

4

5

DRC PACKAGE

3mm x 3mm SON

(TOP VIEW)

80

70

60

50

40

30

20

10

0

10

100

1k

10k

100k

1M

10M

Frequency (Hz)

PSRR (RIPPLE REJECTION) vs FREQUENCY

V

C

C

I

I

TPS71202, TPS71219

TPS71229, TPS71247

TPS71256, TPS71257

www.ti.com

SBVS049D – MAY 2004 – REVISED AUGUST 2010

Dual 250 mA Output, UltraLow Noise, High PSRR,

Low-Dropout Linear Regulator

Check for Samples: TPS71202, TPS71219, TPS71229, TPS71247, TPS71256, TPS71257

1

FEATURES

DESCRIPTION

•

Dual 250 mA High-Performance RF LDOs

The TPS712xx family of low-dropout (LDO) voltage

regulators is tailored to noise-sensitive and RF

•

Available in Fixed and Adjustable

applications. These products feature dual 250 mA

Voltage Options (1.2 V to 5.5 V)

LDOs with ultralow noise, high power-supply rejection

•

High PSRR: 65 dB at 10 kHz

ratio

(PSRR),

and

fast

transient

and

start-up

•

UltraLow Noise: 32 mVrms

response. Each regulator output is stable with

low-cost 2.2 mF ceramic output capacitors and

•

Fast Start-Up Time: 60 ms

features very low dropout voltages (125 mV typical at

•

Stable with 2.2 mF Ceramic Capacitor

250 mA). Each regulator achieves fast start-up times

•

Excellent Load/Line Transient Response

(approximately 60 ms with a 0.001 mF bypass

capacitor)

while

consuming

very

low

quiescent

•

Very Low Dropout Voltage: 125 mV at 250 mA

current (300 mA typical with both outputs enabled).

•

Independent Enable Pins

When the device is placed in standby mode, the

•

Thermal Shutdown and Independent Current

supply current is reduced to less than 0.3 mA typical.

Limit

Each regulator exhibits approximately 32 mVrms of

•

Available in Thermally-Enhanced SON

noise reduction (NR) capacitor. Applications with

Package: 3mm x 3mm x 1mm

analog components that are noise-sensitive, such as

portable RF electronics, will benefit from high PSRR,

APPLICATIONS

low noise, and fast line and load transient features.

•

Cellular and Cordless Phones

The TPS712 family is offered in a thin 3mm x 3mm

•

Wireless PDA/Handheld Products

SON package and is fully specified from -40°C to

•

PCMCIA/Wireless LAN Applications

•

Digital Camera/Camcorder/Internet Audio

•

DSP/FPGA/ASIC/Controllers and Processors

1

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 © 2004–2010, 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.