Microchip Technology ARD00386 数据表
MCP1640 12V/50 mA Two Cells Input Boost Converter Reference Design
DS51999A-page 14
© 2011 Microchip Technology Inc.
FIGURE 2-1:
Efficiency vs. Load Current for 12V Output at 2.4V and
3.0V Input.
FIGURE 2-2:
Maximum Load Current vs. Input Voltage at 12V Output.
50 0
55.0
60.0
65.0
70.0
75.0
80.0
Efficiency
(%
)
V
IN
= 2.4V
V
IN
= 3.0V
40.0
45.0
50.0
10
20
30
40
50
Load Current (mA)
20
30
40
50
60
70
80
u
m
Load Current (mA)
0
10
20
2
2.4
2.8
3.2
3.6
Maxim
u
Input Voltage (V)