Datasheet

MCP16331
DS20005308B-page 6  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 2-7: 12V V
OUT
Efficiency vs. V
IN
.
FIGURE 2-8: 24V V
OUT
Efficiency vs. V
IN
.
FIGURE 2-9: Max I
OUT
vs. V
IN
.
FIGURE 2-10: V
FB
vs. Temperature.
FIGURE 2-11: Peak Current Limit vs.
Temperature.
FIGURE 2-12: Switch R
DSON
vs.
Temperature.
0
10
20
30
40
50
60
70
80
90
100
14 18 22 26 30 34 38 42 46
50
Efficiency (%)
V
IN
(V)
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 500 mA
0
10
20
30
40
50
60
70
80
90
100
26 30 34 38 42 46
50
Efficiency (%)
V
IN
(V)
I
OUT
= 10 mA
I
OUT
= 100 mA
I
OUT
= 500 mA
0
200
400
600
800
1000
1200
1400
6 10141822263034384246
50
I
OUT
(mA)
V
IN
(V)
V
OUT
= 3.3V
V
OUT
= 5V
V
OUT
= 12V
V
OUT
= 24V
0.78
0.79
0.8
0.81
0.82
0.83
-40 -25 -10 5 20 35 50 65 80 95 110 125
Feedback Voltage (V)
Temperature (°C)
V
IN
=12V
V
OUT
= 3.3V
I
OUT
= 100 mA
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-40 -25 -10 5 20 35 50 65 80 95 110 125
Peak Current Limit (A)
Temperature (°C)
V
OUT
= 3.3V
V
OUT
= 5V
V
OUT
= 12V
0
0.2
0.4
0.6
0.8
1
1.2
-40 -25 -10 5 20 35 50 65 80 95 110 125
Switch R
DSON
(
Ω
)
Temperature (°C)
V
IN
= 6V
V
OUT
=V
BOOST
= 3.3V
I
OUT
= 200 mA