US431ALCS UNISEM [UNISEM], US431ALCS Datasheet - Page 6

• Manufacturer Part Number: US431ALCS
• Description: LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
• Manufacturer: UNISEM [UNISEM]

US431L/431AL
TYPICAL APPLICATION
TYPICAL APPLICATION
2-6
I740 Application
Ref Desig
U1
C1,2
R1
R2
R3
HS1
Figure 3- Low cost 3.3V to 2.7V 0utput for Intel I740 application.
12V
V
Heat Sink
Description
Shunt Regulator
Capacitor
Resistor
Resistor
Resistor
IN
C1
R1
431app3-1.1
U1
Q1
Qty
1
2
1
1
1
Use minimum of 1" Square Copper Pad area
for load current <4A
Part #
US431L
Elect,220uF,6.3V,ECAOJFQ221
6.2k , 5%, SMT
118 , 1%, SMT
100 , 1% SMT
R2
R3
C2
V
OUT
Manuf
Unisem
Panasonic
Rev. 1.2
5/11/98