TPS71H01Q, TPS71H33Q, TPS71H48Q, TPS71H50Q

LOW DROPOUT VOLTAGE REGULATORS

SLVS152B − NOVEMBER 1996 − REVISED AUGUST 2002

3

POST OFFICE BOX 655303

† TPS71H33, TPS71H48, TPS71H50 (fixed-voltage options)

‡ Capacitor selection is nontrivial. See application information section

for details.

SENSE

PG

OUT

OUT

7

6

5

IN

IN

EN

GND

3

16

15

14

13

VI

0.1

µF

PG

CSR

VO

10

µF

+

TPS71Hxx†

CO‡

Figure 2. Typical Application Configuration

functional block diagram

_

+

Vref = 1.178 V

OUT

SENSE‡ /FB

EN

IN

GND

R1

R2

PG

_

+

TPS71H01

TPS71H33

TPS71H48

TPS71H50

DEVICE

UNIT

R1

R2

0

420

726

756

∞

233

233

233

Ω

k

Ω

k

Ω

k

Ω

RESISTOR DIVIDER OPTIONS

† Switch positions are shown with EN low (active).

‡ For most applications, SENSE should be externally connected to OUT as close as possible to the device. (For other implementations, refer

to SENSE-pin connection discussion in Applications Information section.)

NOTE A: Resistors are nominal values only.

1.12 V

†

††

MOS transistors

Bilpolar transistors

Diodes

Capacitors

Resistors

COMPONENT COUNT

464

41

4

17

76