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MCP1256 Datasheet(PDF) 6 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) 6 Page - Microchip Technology

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MCP1256/7/8/9
DS21989A-page 6
© 2006 Microchip Technology Inc.
2.0
TYPICAL PERFORMANCE CURVES
NOTE: Unless otherwise indicated, CIN = COUT = 10 μF, C1 = C2 = 1 μF, IOUT = 10 mA, and TA= +25°C.
FIGURE 2-1:
Efficiency (
η) vs. Output
Current (IOUT).
FIGURE 2-2:
Efficiency (
η) vs. Output
Current (IOUT).
FIGURE 2-3:
Efficiency (
η) vs. Supply
Voltage (VIN).
FIGURE 2-4:
Efficiency (
η) vs. Supply
Voltage (VIN).
FIGURE 2-5:
Efficiency (
η) vs. Supply
Voltage (VIN).
FIGURE 2-6:
Efficiency (
η) vs. Supply
Voltage (VIN).
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
0
10
20
30
40
50
60
70
80
90
100
10
30
50
70
90
110
130
Output Current (mA)
VIN = 1.8V
VIN = 2.1V
VIN = 2.4V
VIN = 2.7V
0
10
20
30
40
50
60
70
80
90
10
30
50
70
90
110
130
Output Current (mA)
VIN = 2.7V
VIN = 3.0V
VIN = 3.3V
0
10
20
30
40
50
60
70
80
90
100
1.82.1
2.42.7
3.03.3
Input Voltage (V)
IOUT = 10 mA
Mode Transition
0
10
20
30
40
50
60
70
80
90
100
1.82.1
2.42.7
3.03.3
Input Voltage (V)
IOUT = 25 mA
Mode Transition
0
10
20
30
40
50
60
70
80
90
100
1.82.1
2.42.7
3.03.3
Input Voltage (V)
IOUT = 50 mA
Mode Transition
0
10
20
30
40
50
60
70
80
90
100
1.82.1
2.42.7
3.03.3
Input Voltage (V)
IOUT = 100 mA
Mode Transition



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