
7
Mar3-07
SPX43 Precision Adjustable Shunt Regulator
2007 Sipex Corporation
Figure 23. Precision High Current Series Regulator
V
OUT= (1+R1/R2)V REF
Figure 24. High Current Shunt Regulator
V
OUT= (1+R1/R2)V REF
Figure 25. Single Supply Comparator with Temperature
Compensated Threshold. V
INthreshold = 2.5V
VIN
R1
0.1%
SPX1431
R3
R2
0.1%
C1
R5
R4
VOUT
VIN
R1
0.1%
SPX1431
R3
R2
0.1%
Q1
VOUT
VCC
R2
SPX1431
VIN
VOUT
R1
* Resistor values are chosen such that the effect to
I
REFis negligible .
TYPICAL PERFORMANCE CHARACTERISTICS
SOT-23-5 (M5)
3
2
1
Top View
5
4
Top View
SOT-89 (M1)
1
2
3
Bottom View
TO-92 (N)
1
3
2
N/C
REF
ANODE
CATHODE
ANODE
REF
Top View
2
1
3
4
8
7
6
5
8-Pin Surface Mount (S)
CATHODE
REF
ANODE
N/C
N/C N/C CATHODE
ANODE
REF
PACKAGE PINOUTS