US1260
TYPICAL APPLICATION
INTEL I740 GRAPHICS CHIP APPLICATION
3.3V
C1
Vout1
U1
Vin
Vout2
US1260
Gnd
Vfb2
Vfb1
Vctrl
7
6
5
4
3
2
1
2.7V
C4
R3
C3
R5
C5
R4
1260app8-1.0
5V
Figure 6 - Typical application of US1260 to provide 2.7V from the 3.3V bus for the Intel 740 graphics chip.
Ref Desig
U1
C1,C3
C4
C5
R4
R3
R5
Description
Qty
Dual LDO Regulator 1
Capacitor
2
Capacitor
1
Capacitor
1
Resistor
1
Resistor
1
Resistor
1
Part #
US1260CM
Elect,680uF,EEUFA1A681L
Ceramic, 0.1 uF, SMT , 0805
Elect,100uF,6.3V,ECAOJFQ101
10.2 kΩ , 1%, SMT , 0805
12.7 kΩ , 1%, SMT , 0805
3
Ω
, 5%, SMT , 0805
Manuf
Unisem
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Rev. 1.9
3/22/99
3-9
UNISEM [ UNISEM ]
