TPS7201 datasheet(21/36 Pages) TI

21 / 36 page

TPS7201Q, TPS7225Q, TPS7228Q, TPS7230Q

TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY

MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS

SLVS102F – MARCH 1995 – REVISED NOVEMBER 1998

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 9

0.01

0.03

0.02

0.04

CHANGE IN DROPOUT VOLTAGE

FREE-AIR TEMPERATURE

0.05

TA – Free-Air Temperature – °C

– 0.01

– 0.02

– 0.03

– 0.04

– 40 – 20

100 120

140

TPS7233

TPS7248/TPS7250

TPS7230

Figure 10

100

150

200

250

1.6

1.4

1.2

0.8

0.6

0.4

0.2

IO – Output Current – mA

TPS7201

DROPOUT VOLTAGE

OUTPUT CURRENT

VI = 2.9 V

VI = 2.4 V†

VI = 2.6 V†

VI = 3.2 V

VI = 3.9 V

VI = 5.9 V

VI = 9.65 V

† This voltage is not recommended.

Figure 11

PASS ELEMENT SERIES RESISTANCE

INPUT VOLTAGE

VI – Input Voltage – V

TA = 25°C

VFB = 1.12 V

IO = 250 mA

IO = 100 mA

Figure 12

CHANGE IN OUTPUT VOLTAGE

FREE-AIR TEMPERATURE

TA – Free-Air Temperature – °C

–5

–10

–15

–20

–25

– 40

– 20

100

120

140

IO = 10 mA

VI = VO + 1 V

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