Datasheet

 2004-2013 Microchip Technology Inc. DS21876B-page 9
MCP1650/51/52/53
Note: Unless otherwise indicated, V
IN
= 3.3V, VOUT = 12V, C
IN
= 10 µF (x5R or X7R Ceramic), C
OUT
= 10 µF (X5R or X7R),
I
OUT
= 10 mA, L = 3.3 µH, SHDN > V
IH
, T
A
= +25°C.
FIGURE 2-13: Dynamic Line Response.
FIGURE 2-14: Power-Up Timing (Input
Voltage).
FIGURE 2-15: Power-Up Timing
(Shutdown).
FIGURE 2-16: Efficiency vs. Input Voltage.
FIGURE 2-17: Efficiency vs. Load Current.
FIGURE 2-18: Output Voltage vs. Input
Voltage (Line Regulation).
75
77
79
81
83
85
87
89
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0
Input Votlage (V)
Efficiency (%)
T
A
= 25°C
I
OUT
= 100 mA
60
65
70
75
80
85
90
10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0
Load Current (mA)
Efficiency (%)
T
A
= 25°C
V
IN
= 3.3V
12.10
12.11
12.12
12.13
12.14
12.15
12.16
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0
Input Voltage (V)
Output Voltage (V)
T
A
= 25°C
I
OUT
= 100 mA