Diodes AP1122 Manuel d'utilisateur télécharger pdf (Page 4)

AP1122

1A LOW DROPOUT POSITIVE REGULATOR

AP1122

Document number: DS31012 Rev. 9 - 2

4 of 11

www.diodes.com

May 2010

© Diodes Incorporated

Typical Performance Characteristics

Temperature (

o

C)

Percent Change in Output Voltage vs Temperature

Output Voltage Change (%)

-50 -25 0 25 50 75 100 125 150

- 2

-1.5

- 1

-0.5

0

0. 5

1

1.5

2

Input Voltage (V)

Line Regulation

Output Voltage Deviation (%)

0

0.2

0.4

0.6

0.8

1

24

681012

TIME (us)

Line Transient Response

Output Voltage Deviation (mV) Input Voltage (V)

-40

-20

0

20

40

5.5

6.5

7.5

Cin=1uF

Cout=10uF Tantalum

0 20 40 60 80 100 120 140 160 180 200

TIME (us)

Load Transient Response

Load Current (A)

Output Voltage Deviation (mV)

010

20 30 40 50 60 70 80 90 100

-1

0

1

2

-20

-10

0

10

20

30

C in = 1uF

C out = 10 uF Tantalum

Preload = 100mA

Temperature (

o

C)

Load Regulation vs Temperature

Output Voltage Deviation (%)

-25 0

25 50 75 100 125

- 1

-0.80

-0.40

-0.20

0

0.20

I load=800mA

Dropout Voltage vs Output Current

Output Current (mA)

Dropout Voltage (V)

0

0. 2

0. 4

0. 6

0. 8

1. 0

1. 2

1. 4

1. 6

1. 8

2. 0

0

250

500

750

1000

Tj = 125

o

C

Tj = 25

o

C

1 2 3 4 5 6 7 8 9 10 11

Commentaires sur ces manuels

Pas de commentaire