Adjustable Precision Shunt Regulator

AP431/AP431A

Anachip Corp.

www.anachip.com.tw

Rev.1.0 May.7, 2004

8/17

PULSE RESPONSE

0

1

2

3

4

5

6

-1

01

2

3

45

67

t-Time-µ S

Input

Output

GND

Output

220Ω

50Ω

TEST CIRCUIT FOR PULSE RESPONSE

Pulse

Generator

f=100kHz

T

+

-

150Ω

I KA

V

BATT

C

L

TEST CIRCUIT FOR CURVE A

+

-

C

L

R1=10KΩ

R2

I KA

150Ω

V

BATT

TEST CIRCUIT FOR CURVE B, C, AND D

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 V

C

0

10

20

30

40

50

60

70

80

90

100

0.001

0.01

0.1

1

10

A

B

C

D

Stable

Stable