IP1531
TRIPLE OUTPUT VOLTAGE LDO REGULATOR
TYPICAL APPLICATION CIRCUIT
PGND
PGND
IP1531
VIN ON/OFF VOUT1 ADJ2 VOUT2 VOUT3 ADJ3
1
2
3
4
5
6
7
Vinput
Radj1
10uF Radj2
10uF
Radj3
Radj4
10uF
H
L
Vout1
Vout2 Vout3
*CALCULATION OF OUTPUT VOLTAGE
VOUT2 = VREF ( 1 + (Radj1 / Radj2) ) =1.25V ( 1 + (Radj1 / Radj2) )
VOUT3 = VREF ( 1 + (Radj3 / Radj4) ) =1.25V ( 1 + (Radj3 / Radj4) )
December. 2002 (Rev.0)
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