MCP1256 Microchip Technology, MCP1256 Datasheet - Page 14

• Manufacturer Part Number: MCP1256
• Description: Regulated 3.3V, Low-Ripple Charge Pump with Low-Operating Current SLEEP Mode or BYPASS Mode
• Manufacturer: Microchip Technology

MCP1256/7/8/9
6.0
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:
DS21989A-page 14
TYPICAL APPLICATION
CIRCUITS
INPUT
1.8V to 3.6V
INPUT
1.8V to 3.6V
Typical Application Circuits.
C
10 μF
C
10 μF
IN
IN
ON / OFF
ON / OFF
C
1 μF
C
1 μF
1
Typical Application with Power-Good Indication
Typical Application with Low-Battery Indication
1
10
10
7
4
8
2
7
4
8
2
V
SHDN
C
C
SLEEP
V
SHDN
C
C
BYPASS
IN
1
1
IN
1
1
+
-
+
-
MCP1256
MCP1259
GND
GND
PGOOD
9
9
V
V
C
OUT
LBO
OUT
C
C
C
2
2
2
2
+
-
+
-
5
1
6
3
5
1
6
3
R
C
1 μF
R
C
1 μF
1
2
1
2
© 2006 Microchip Technology Inc.
C
10 μF
C
10 μF
OUT
OUT
Power-Good
Indication
Low-Battery
Indication
OUTPUT
3.3V
OUTPUT
3.3V