AP431A Ver la hoja de datos (PDF) - Diodes Incorporated.

Número de pieza

componentes Descripción

Fabricante

AP431A

ADJUSTABLE PRECISION SHUNT REGULATOR

Diodes Incorporated. 

AP431/AP431A

ADJUSTABLE PRECISION SHUNT REGULATOR

Typical Performance Characteristics (Continued)

6

TA=25oC

5

Pulse Response

Input

4

3

Output

2

1

0

-1

0

1

2

3

4

5

6

7

t-Time-μS

220Ω

Pulse

Generator

f=100kHz

50Ω

Output

GND

Test Circuit for Pulse Response

STABILITY BOUNDARY CONDITIONS†

100

A VKA=Vref

90 B VKA=5V

TA=25oC

80 C VKA=10V

D VKA=15V

B

70

Stable

60

Stable

C

50

A

40

30

D

20

10

0

0.001

0.01

0.1

1

10

CL-Load Capacitance-µF

+ The areas under the curves represent conditions that may cause the

device to oscillate. For curves B, C, and D, R2 and V+ were adjusted

to establish the initial VKA and IKA conditions with CL=0.VBATT and CL

were then adjusted to determine the ranges of stability.

AP431/AP431A

Document number: DS31002 Rev. 15 - 2

8 of 16

www.diodes.com

150?

I KA

+

CL

VBATT

-

Test Circuit for Curve A

R1=10K?

CL

R2

I KA

150?

+

VBATT

-

Test Circuit for Curve B, C, and D

June 2010

© Diodes Incorporated

Share Link: