DRBPACKAGE

3mmx3mmSON

(TOPVIEW)

8

7

6

5

OUT

N/C

NR/FB

GND

IN

N/C

N/C

EN

1

2

3

4

GND

DRVPACKAGE

2mmx2mmSON

IN

N/C

EN

6

5

4

OUT

NR/FB

GND

1

2

3

GND

(TOPVIEW)

TPS735xx

www.ti.com

SBVS087H – JUNE 2008 – REVISED NOVEMBER 2009

500mA, Low Quiescent Current, Ultra-Low Noise, High PSRR

Low Dropout Linear Regulator

1

FEATURES

DESCRIPTION

2

•

500mA Low Dropout Regulator with EN

The

TPS735xx

family

of

low-dropout

(LDO),

low-power

linear

regulators

offers

excellent

ac

•

performance with very low ground current. High

•

Multiple Output Voltage Versions Available:

power-supply rejection ratio (PSRR), low noise, fast

–

Fixed Outputs of 1.0V to 4.3V Using

start-up,

and

excellent

line

and

load

transient

Innovative Factory EEPROM Programming

response are provided while consuming a very low

46

μA (typical) ground current. The TPS735xx is

–

Adjustable Outputs from 1.25V to 6.0V

stable with ceramic capacitors and uses an advanced

•

High PSRR: 60dB at 1kHz

BiCMOS fabrication process to yield a typical dropout

•

Ultra-low Noise: 28

voltage of 250mV at 500mA output. The TPS735xx

uses a precision voltage reference and feedback loop

•

Fast Start-Up Time: 45

μs

•

Stable with a Low-ESR, 2.0

μF Typical Output

all load, line, process, and temperature variations. It

Capacitance

•

Excellent Load/Line Transient Response

offered in low-profile, 2mm x 2mm SON and 3mm ×

3mm SON packages that are ideal for wireless

•

2% Overall Accuracy (Load/Line/Temp,

handsets, printers, and WLAN cards.

•

Very Low Dropout: 280mV at 500mA

•

2mm × 2mm SON-6 and 3mm × 3mm SON-8

Packages

APPLICATIONS

•

WiFi, WiMax

•

Printers

•

Cellular Phones, SmartPhones

•

Handheld Organizers, PDAs

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.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008–2009, 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.