AP7173 datasheet(10/15 Pages) DIODES

10 / 15 page

AP7173

1.5A LOW DROPOUT LINEAR REGULATOR WITH

PROGRAMMABLE SOFT-START

AP7173 Rev. 4

10 of 15

MARCH 2008

www.diodes.com

Typical Performance Characteristics

(Continued)

At TA = +25℃, VIN = VOUT(TYP) + 0.3V, VVCC = 5V, IOUT = 50mA, VEN = VIN, CIN = 1µF, CVCC = 4.7µF, and COUT = 10µF, unless otherwise noted.

QUIESCENT CURRENT vs. IOUT

QUIESCENT CURRENT vs. VVCC

0.00

0.25

0.50

0.75

1.00

1.25

1.50

0.75

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

1.25

Iout(A)

Vout=1.2V

Vin=1.8V

Vin=2.5V

2.50

2.75

3.00

3.25

3.50

0.50

0.75

1.00

1.25

1.50

Vvcc(V)

Vin=1.8V

Vout=1.2V

Io=0A

Io=0.5A

Io=1.5A

Figure 21

Figure 22

QUIESCENT CURRENT vs. TEMPERATURE

CURRENT LIMIT vs. (VVCC – VOUT)

-50

-25

255075

100

0.50

0.75

1.00

1.25

1.50

Temperature(

oC)

Vin=1.8V

Vout=1.2V

Vvcc=3.3V

Vvcc=5V

1.01.5

2.0

2.5

3.03.5

4.04.5

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

Vvcc-Vout(V)

-40

125

Figure 23

Figure 24

SOFT-START CHARGING

CURRENT (I SS) vs. TEMPERATURE

POWER-UP/POWER-DOWN

-50

-25

255075

100

300

325

350

375

400

425

450

475

500

Temperature(

oC)

Figure 25

Figure 26

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