AP432ASAG-7(2010) Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP432ASAG-7 Datasheet PDF : 14 Pages
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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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