AP431(2007) Ver la hoja de datos (PDF) - Diodes Incorporated.
Número de pieza
componentes Descripción
Fabricante
AP431 Datasheet PDF : 14 Pages
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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.
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
AP431/AP431A Rev. 5
9 of 14
www.diodes.com
MARCH 2007
© Diodes Incorporated
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