Diodes AP7173 Manuel d'utilisateur télécharger pdf (Page 9)

AP7173

1.5

A

LOW DROPOUT LINEAR REGULATOR WITH

PROGRAMMABLE SOFT-START

AP7173

Document number: DS31369 Rev. 9 - 2

9 of 15

www.diodes.com

April 2011

© Diodes Incorporated

Typical Characteristics (Continued)

At T

A

= +25°C, V

IN

= V

OUT(TYP)

+ 0.3V, V

VCC

= 5V, I

OUT

= 50mA, V

EN

= V

IN

, C

IN

= 1µF, C

VCC

= 4.7µF, and C

OUT

= 10µF, unless otherwise noted.

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

Quiescent Current(IGND) (mA)

Iout(A)

Vout=1.2V

pg

Vin=1.8V

Vin=2.5V

Figure. 21 Quiescent Current vs. I

OUT

2.50 2.75 3.00 3.25 3.50

0.50

0.75

1.00

1.25

1.50

Quiescent Current(mA)

Vvcc(V)

Vin=1.8V

Vout=1.2V

Io=0A

Io=0.5A

Io=1.5A

Figure 22. Quiescent Current vs. V

VCC

-50-250 255075100125

0.50

0.75

1.00

1.25

1.50

Quiescent Current(mA)

Temperature(

o

C)

Vin=1.8V

Vout=1.2V

Vvcc=3.3V

Vvcc=5V

Figure. 23 Quiescent Current vs. Temperature

1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

Current limit(A)

Vvcc-Vout(V)

-40

o

C

25

o

C

125

o

C

Figure. 24 Current Limit vs. (V

VCC

-V

OUT

)

-50-250 255075100125

300

325

350

375

400

425

450

475

500

Iss(nA)

Temperature(

o

C)

Figure. 25 Soft-Start Charging Current (I

SS

) vs.

Temperature

Figure. 26 Power-Up/Power-Down

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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