TPS78915, TPS78918, TPS78925, TPS78928, TPS78930

ULTRALOW-POWER LOW-NOISE 100-mA

LOW-DROPOUT LINEAR REGULATORS

SLVS300A – SEPTEMBER 2000 – REVISED MAY 2001

2

POST OFFICE BOX 655303

description (continued)

The TPS789xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current

to 1

AVAILABLE OPTIONS

TJ

VOLTAGE

PACKAGE

PART NUMBER

SYMBOL

1.5 V

TPS78915DBVT†

TPS78915DBVR‡

PDWI

1.8 V

SOT 23

TPS78918DBVT†

TPS78918DBVR‡

PDXI

–40

°C to 125°C

2.5 V

SOT-23

(DBV)

TPS78925DBVT†

TPS78925DBVR‡

PDYI

2.8 V

(DBV)

TPS78928DBVT†

TPS78928DBVR‡

PDZI

3.0 V

TPS78930DBVT†

TPS78930DBVR‡

PEAI

† The DBVT indicates tape and reel of 250 parts.

‡ The DBVR indicates tape and reel of 3000 parts.

functional block diagram

TPS78915/18/25/28/30

OUT

IN

GND

EN

Vref

Current Limit

/ Thermal

Protection

Bypass

150 k

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

BYPASS

4

I

The external bypass capacitor, in conjunction with an internal resistor, creates a low-pass filter to further reduce

regulator noise.

EN

3

I

Active low enable.

GND

2

Regulator ground

IN

1

I

The IN terminal is the input to the device.

OUT

5

O

The OUT terminal is the regulated output of the device.