AP431Y 데이터 시트보기 (PDF) - Anachip Corporation
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AP431Y Datasheet PDF : 17 Pages
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Adjustable Precision Shunt Regulator
PULSE RESPONSE
6
TA=25oC
5
Input
4
3
Output
2
1
0
-1
0
1
2
3
4
5
6
7
t-Time-µ S
AP431/AP431A
220Ω
Pulse
Generator
f=100kHz
50Ω
Output
GND
TEST CIRCUIT FOR PULSE RESPONSE
STABILITY BOUNDARY CONDITIONS†
100
90
A VKA=Vref
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 V KA and IKA conditions with CL=0.VBATT and
CL were then adjusted to determine the ranges of stability.
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
Anachip Corp.
www.anachip.com.tw
Rev.1.0 May.7, 2004
8/17
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