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MCP1256 Datasheet(PDF) 14 Page - Microchip Technology

Part # MCP1256
Description  Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode
PDF  24 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1256 Datasheet(HTML) 14 Page - Microchip Technology

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MCP1256/7/8/9
DS21989A-page 14
© 2006 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
VOUT
5
6
7
8
9
10
VIN
SLEEP
CIN
10 μF
COUT
10 μF
C1-
C1+
C1
1 μF
C2-
C2+
C2
1 μF
R1
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
VOUT
5
6
7
8
9
10
VIN
BYPASS
C1-
C1+
C2-
C2+
R1
INPUT
1.8V to 3.6V
OUTPUT
3.3V
Low-Battery
Indication
ON / OFF
Typical Application with Low-Battery Indication
CIN
10 μF
C1
1 μF
COUT
10 μF
C2
1 μF



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