Datasheet

MCP1256/7/8/9
DS21989B-page 6  2006-2013 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
NOTE: Unless otherwise indicated, C
IN
= C
OUT
= 10 µF, C
1
= C
2
= 1µF, I
OUT
= 10 mA, and T
A
= +25°C.
FIGURE 2-1: Efficiency (  ) vs. Output
Current (I
OUT
).
FIGURE 2-2: Efficiency (
 ) vs. Output
Current (I
OUT
).
FIGURE 2-3: Efficiency (
 ) vs. Supply
Voltage (V
IN
).
FIGURE 2-4: Efficiency (
 ) vs. Supply
Voltage (V
IN
).
FIGURE 2-5: Efficiency (
 ) vs. Supply
Voltage (V
IN
).
FIGURE 2-6: Efficiency (
 ) vs. Supply
Voltage (V
IN
).
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)
Efficiency (%)
V
IN
= 1.8V
V
IN
= 2.1V
V
IN
= 2.4V
V
IN
= 2.7V
0
10
20
30
40
50
60
70
80
90
10 30 50 70 90 110 130
Output Current (mA)
Efficiency (%)
V
IN
= 2.7V
V
IN
= 3.0V
V
IN
= 3.3V
0
10
20
30
40
50
60
70
80
90
100
1.82.12.42.73.03.3
Input Voltage (V)
Efficiency (%)
I
OUT
= 10 mA
Mode Transition
0
10
20
30
40
50
60
70
80
90
100
1.82.12.42.73.03.3
Input Voltage (V)
Efficiency (%)
I
OUT
= 25 mA
Mode Transition
0
10
20
30
40
50
60
70
80
90
100
1.82.12.42.73.03.3
Input Voltage (V)
Efficiency (%)
I
OUT
= 50 mA
Mode Transition
0
10
20
30
40
50
60
70
80
90
100
1.82.12.42.73.03.3
Input Voltage (V)
Efficiency (%)
I
OUT
= 100 mA
Mode Transition