Datasheet

MCP1256/7/8/9
DS21989B-page 14  2006-2013 Microchip Technology Inc.
6.0 TYPICAL APPLICATION
CIRCUITS
The MCP1256/7/8/9 devices are inductorless, positive
regulated, switched capacitor DC/DC converters.
Typical application circuits are depicted in Figure 6-1.
FIGURE 6-1: Typical Application Circuits.
PGOOD
GND
SHDN
1
2
3
4
MCP1256
V
OUT
5
6
7
8
9
10
V
IN
SLEEP
C
IN
10 µF
C
OUT
10 µF
C
1
-
C
1
+
C
1
1µF
C
2
-
C
2
+
C
2
1µF
R
1
INPUT
1.8V to 3.6V
OUTPUT
3.3V
Power-Good
Indication
ON / OFF
Typical Application with Power-Good Indication
LBO
GND
SHDN
1
2
3
4
MCP1259
V
OUT
5
6
7
8
9
10
V
IN
BYPASS
C
1
-
C
1
+
C
2
-
C
2
+
R
1
INPUT
1.8V to 3.6V
OUTPUT
3.3V
Low-Battery
Indication
ON / OFF
Typical Application with Low-Battery Indication
C
IN
10 µF
C
1
1µF
C
OUT
10 µF
C
2
1µF