Datasheet

MCP16331
DS20005308B-page 8  2014 Microchip Technology Inc.
Note: Unless otherwise indicated, V
IN
= EN = 12V, C
OUT
= C
IN
= 2 X10 µF, L = 15 µH, V
OUT
= 3.3V, I
LOAD
= 100 mA,
T
A
= +25°C, 6-Lead SOT-23 package.
FIGURE 2-19: Input Quiescent Current vs.
V
IN.
FIGURE 2-20: Shutdown Current vs. V
IN
.
FIGURE 2-21: PWM/Skipping I
OUT
Threshold vs V
IN
.
FIGURE 2-22: Switching Frequency vs.
Temperature.
FIGURE 2-23: Minimum Input Voltage vs
Output Current.
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
5 101520253035404550
No Load Input Current (mA)
V
IN
(V)
V
OUT
= 3.3V
3
6
9
12
15
18
5 101520253035404550
Shutdown Current (µA)
V
IN
(V)
V
OUT
= 3.3V
0
5
10
15
20
5 101520253035404550
Output Current (mA)
V
IN
(V)
V
OUT
= 5V
V
OUT
= 3.3V
450
475
500
525
-40 -25 -10 5 20 35 50 65 80 95 110 125
Switching Frequency (kHz)
Temperature (°C)
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 200 mA
3.5
3.7
3.9
4.1
4.3
0 0.1 0.2 0.3 0.4 0.5
V
IN
(V)
Output Current (A)
To Start
To Stop
V
OUT
=3.3V