AP432ASRL-7(2010) 데이터 시트보기 (PDF) - Diodes Incorporated.

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AP432ASRL-7
(Rev.:2010)

ADJUSTABLE PRECISION SHUNT REGULATOR

Diodes Incorporated. 

AP432/AP432A

ADJUSTABLE PRECISION SHUNT REGULATOR

Typical Performance Characteristics (Continued)

Small-Signal Voltage Amplification vs Frequency

60

IKA=10mA

50

TA=25oC

40

30

20

10

0

1K

10K

100K

1M

10M

f-Frequency-Hz

Reference Impedance vs Frequency

100

I KA=10mA

TA =25oC

10

1

0.1

1K

10K

100K

1M

10M

f-Frequency-Hz

15KΩ

9μF

8.25KΩ

Output

IKA

232Ω

+

-

GND

Test Circuit for Voltage Amplification

1KΩ

50Ω

-

+

Output

I KA

GND

Test Circuit for Reference Impedance

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.

AP432/AP432A

Document number: DS31003 Rev. 16 - 2

6 of 14

www.diodes.com

150Ω

I KA

+

CL

VBATT

-

Test Circuit for Curve A

R1=10KΩ

CL

R2

I KA

150Ω

+

VBATT

-

Test Circuit for Curve B, C, and D

June 2010

© Diodes Incorporated

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