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NCP431AVLPRAG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series
www.onsemi.com
7
Figure 15. Open−Loop Voltage Gain versus
Frequency
Figure 16. Spectral Noise Density
−10
0
10
20
30
40
50
60
1000 10k 100k 1M 10M
15k
GND
Output
I
K
8.25k
230
9.0 mF
I
K
= 100 mA to 10 mA
T
A
= 25°C
A
VOL
, OPEN LOOP VOLTAGE GAIN (dB)
f, FREQUENCY (Hz)
0
100
200
300
400
500
600
700
800
10 100 1000 10k 100
k
V
KA
=V
ref
I
K
=1mA
T
A
=25°C
I
K
Input
V
KA
f, FREQUENCY (Hz)
NOISE VOLTAGE (nV/√HZ)
0 4.0 8.0 12 16 20 24
4.0
3.0
2.0
1.0
10
5.0
0
Output
Input
Figure 17. Pulse Response Figure 18. Stability Boundary Conditions
28 32 36 40
220
GND
Output
50
Pulse
Generator
f = 100kHz
Input
Monitor
VOLTAGE SWING (V)
t, TIME (ms)
C
L
, LOAD CAPACITANCE (nF)
I
K
, CATHODE CURRENT (mA)
Figure 19. Stability Boundary Conditions for
Small Cathode Current
NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series
www.onsemi.com
8
150
V
OUT
C
L
I
K
V+
Figure 20. Test Circuit For Curve A of Stability
Boundary Conditions
10k
150
V
OUT
C
L
I
K
V+
Figure 21. Test Circuit For Curve B And C of
Stability Boundary Conditions
NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series
www.onsemi.com
9
TYPICAL APPLICATIONS
Figure 22. Shunt Regulator
R2
R1
V+
I
K
C
L
V
OUT
V
OUT
+
ǒ
1 )
R1
R2
Ǔ
V
ref
Figure 23. High Current Shunt
Regulator
V
OUT
+
ǒ
1 )
R1
R2
Ǔ
V
ref
R1
V
OUT
V+
Figure 24. Output Control for a
Tree−Terminal Fixed Regulator
R2
R1
MC7805
Common
V+ In Out
V
OUT
V
OUT
+
ǒ
1 )
R1
R2
Ǔ
V
ref
V
OUT(min)
+ V
ref
) 5.0 V
R2
R1
V
OUT
V+
V
OUT
+
ǒ
1 )
R1
R2
Ǔ
V
ref
V
IN(min)
+ V
OUT
) V
be
V
OUT(min)
+ V
ref
Figure 25. Series Pass
Regulator
Figure 26. Constant Current Source
R
CL
I
OUT
V+
I
OUT
+
V
ref
R
CL
I
Sink
+
V
ref
R
s
V+
I
Sink
R
S
Figure 27. Constant Current
Sink
R2
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

NCP431AVLPRAG

Mfr. #:
Buy NCP431AVLPRAG
Manufacturer:
ON Semiconductor
Description:
Voltage References ANA 2.5V PROG SHUNT REF
Lifecycle:
New from this manufacturer.
Delivery:
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