Datasheet

 2007-2012 Microchip Technology Inc. DS22042B-page 21
MCP1603/B/L
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: Three NiMH Batteries to 1.2V @ 500 mA Application.
V
IN
SHDN
GND
V
FB
L
X
V
IN
3.0V to 4.2V
V
OUT
1.5V @ 500 mA
C
OUT
4.7 µF
C
IN
4.7 µF
L
1
4.7 µH
R
TOP
200 k
R
BOT
787 k
V
IN
SHDN
GND
V
FB
L
X
V
IN
5.0V
V
OUT
1.0V @ 500 mA
C
OUT
4.7 µF
C
IN
4.7 µF
L
1
4.7 µH
R
COMP
4.99 k
C
COMP
33 pF
V
IN
SHDN
GND
V
FB
L
X
V
IN
2.7V to 4.5V
V
OUT
1.2V @ 500 mA
C
OUT
4.7 µF
C
IN
4.7 µF
L
1
4.7 µH