Datasheet

MCP1623/24
DS41420C-page 2 © 2011 Microchip Technology Inc.
FIGURE 1: Typical Application.
V
IN
GND
V
FB
SW
V
IN
0.9V To 1.7V
V
OUT
3.3V
C
OUT
10 µF
C
IN
4.7 µF
L
1
4.7 µH
V
OUT
+
-
976 KΩ
562 KΩ
ALKALINE
EN
PIC
®
MCU
VDD
VSS
MCP1623/24 Typical Application Circuit
MCP1624 Efficiency vs. I
OUT
, V
OUT
= 3.3V
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1000
I
OUT
(mA)
V
IN
= 0.8V
V
IN
= 1.2V
V
IN
= 2.5V
Efficiency (%)