ZR431
ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
Typical Characteristics (cont.)
60
40
20
IZ
15k
9µF
8k25
VZ
230
+
-
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
Gain vs. Frequency
3.0
Repetitive Pulse
2.0
Single Pulse
VZ
1.0
0
5.0
0
0
100
INPUT
0.2
0.4
0.6
0.8
1.0
TIME (µs)
Pulse Response
80
STABLE
STABLE
60
40
IZ = 10mA, TA = 25°C
Test Circuit for Open Loop Voltage Gain
Input Monitor
220
VZ
Pulse
Generator
50
TA = 25°C
Test Circuit for Pulse Response
Input 150
VZ
IZ
10k
20
0
10p 100p 1000p 0.01µ 0.1µ
1µ
LOAD CAPACITANCE (F)
Stability Boundary Conditions
VREF < VZ < 20, IZ = 10mA, TA = 25°C
Test Circuit for Stability Boundary Conditions
ZR431
Document number: DS33255 Rev. 6 - 2
5 of 9
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October 2011
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