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FEATURES

DESCRIPTION

NC − No internal connection

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

GND/HSINK

GND/HSINK

GND

NC

EN

IN

IN

NC

GND/HSINK

GND/HSINK

GND/HSINK

GND/HSINK

NC

NC

PG

FB/NC

OUT

OUT

GND/HSINK

GND/HSINK

PWP PACKAGE

(TOP VIEW)

1

2

3

4

8

7

6

5

GND

EN

IN

IN

PG

FB/NC

OUT

OUT

D PACKAGE

(TOP VIEW)

-40

0

20

120

-60

40

60

80 100

TPS76833

DROPOUT VOLTAGE

vs

FREE-AIR TEMPERATURE

-20

140

t - Time -

µs

LOAD TRANSIENT RESPONSE

1

0.5

300

200

100

400 500

700

600

800 900 1000

0

0

0

50

100

-50

-100

TPS76815Q, TPS76818Q, TPS76825Q

TPS76827Q, TPS76828Q, TPS76830Q

TPS76833Q, TPS76850Q, TPS76801Q

SLVS211J – JUNE 1999 – REVISED OCTOBER 2004

FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS

•

1 A Low-Dropout Voltage Regulator

•

Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V,

3.0-V, 3.3-V, 5.0-V Fixed Output and

Adjustable Versions

•

Dropout Voltage Down to 230 mV at 1 A

(TPS76850)

•

Ultralow 85 µA Typical Quiescent Current

•

Fast Transient Response

•

2% Tolerance Over Specified Conditions for

Fixed-Output Versions

•

Open Drain Power Good (See TPS767xx for

Power-On Reset With 200-ms Delay Option)

•

8-Pin SOIC and 20-Pin TSSOP (PWP) Package

•

Thermal Shutdown Protection

This device is designed to have a fast transient

response and be stable with 10µF low ESR capaci-

tors. This combination provides high performance at a

reasonable cost.

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 © 1999–2004, 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.