AP1084
5A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Typical Circuit
(1) TO263/252/220
5.0V to 3.3V Fixed Mode Regulator
Adjustable Regulator
5V
5V
C1
C1
100uF
100uF
Vin
Vin
Vout
Adj
2.5V/5A
Vout
3.3V/5A
Ω
Ω
R1
R2
121
C2
C2
100uF
GND
Tab is Vout
100uF
121
Tab is Vout
R2
R1
VO = VREF∗ (1+
)
Note:
(2) PDIP-8
5V/3.3V fixed output
5V/2.5V Adj output
5V
5V
C1
C1
100uF
100uF
Vin
Vin
Vout
Vout
Vout Vout
Vout Vout
GND
Vout
Vout Vout
Vout Vout
Vo
3.3V/1A
2.5V/1A
R1
C2
Adj
C2
Vout
121Ω
100uF
100uF
R2
Ω
121
Tab is Vout
Tab is Vout
R2
R1
VO = VREF∗ (1+
)
Note:
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Jun.9, 2005
4/11