Datasheet

© 2007 Microchip Technology Inc. DS22061A-page 17
MCP1602
6.0 TYPICAL APPLICATION CIRCUITS
l
FIGURE 6-1: Single Li-Ion to 1.5V @ 500 mA Application.
FIGURE 6-2: 5V to 1.0V @ 500 mA Application.
FIGURE 6-3: 3 NiMH Batteries to 1.2V @ 500 mA Application.
SHDN
V
CC
PG
A
GND
V
FB
V
IN
L
X
P
GND
1
2
3
4
8
7
6
5
ON
OFF
MCP1602
V
IN
3.0V to 4.2V
V
OUT
1.5V @ 500 mA
V
IN
R
PULLUP
4.7 µF
4.7 µH
4.7 µF
0.1 µF
10Ω
Processor
Reset
SHDN
V
CC
PG
A
GND
V
OUT
V
IN
L
X
P
GND
1
2
3
4
8
7
6
5
ON
OFF
MCP1602
V
IN
5.0V
V
OUT
1.0V @ 500 mA
V
IN
R
PULLUP
4.7 µF
4.7 µH
4.7 µF
0.1 µF
10Ω
Processor
Reset
R
TOP
R
COMP
C
COMP
200 kΩ
R
BOT
787 kΩ
4.99 kΩ
33 pF
SHDN
V
CC
PG
A
GND
V
FB
V
IN
L
X
P
GND
1
2
3
4
8
7
6
5
ON
OFF
MCP1602
V
IN
2.7V to 4.5V
V
OUT
1.2V @ 500 mA
V
IN
R
PULLUP
4.7 µF
4.7 µH
4.7 µF
0.1 µF
10Ω
Processor
Reset