Datasheet

 2002-2013 Microchip Technology Inc. DS21752B-page 5
MCP1252/3
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, V
IN
= 3.6V, T
A
= 25°C, C
IN
= C
OUT
= 10 µF, C
FLY
= 1 µF, all capacitors X7R ceramic.
FIGURE 2-1: Output Voltage vs. Supply
Voltage (MCP1252-33X50).
.
FIGURE 2-2: Output Voltage vs. Supply
Voltage (MCP1252-33X50).
FIGURE 2-3: Output Voltage vs. Supply
Voltage (MCP1252-ADJ).
FIGURE 2-4: Percent Efficiency vs.
Supply Voltage (MCP1252-33X50).
FIGURE 2-5: Power Efficiency vs. Supply
Voltage (MCP1252-33X50).
FIGURE 2-6: Power Efficiency vs. Supply
Voltage
(MCP1252-ADJ).
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.
4.99
5.00
5.01
5.02
5.03
5.04
5.05
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Output Voltage (V)
10 mA
80 mA 120 mA
MCP1252-33X50
SELECT = GND
V
OUT
= 5.0V
3.31
3.32
3.33
3.34
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Output Voltage (V)
10 mA
80 mA
120 mA
MCP1252-33X50
SELECT = V
IN
V
OUT
= 3.3V
2.99
3.00
3.01
3.02
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Output Voltage (V)
10 mA
80 mA
120 mA
MCP1252-ADJ
V
OUT
= 3.0V
0
10
20
30
40
50
60
70
80
90
100
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Percent Efficiency (%)
10 mA
80 mA
120 mA
MCP1252-33X50
SELECT = GND
V
OUT
= 5.0V
0
10
20
30
40
50
60
70
80
90
100
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Power Efficiency (%)
10 mA
80 mA
120 mA
MCP1252-33X50
SELECT = V
IN
V
OUT
= 3.3V
0
10
20
30
40
50
60
70
80
90
100
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Power Efficiency (%)
10 mA
80 mA
120 mA
MCP1252-ADJ
V
OUT
= 3.0V