Datasheet

MCP16301
DS25004B-page 6  2011-2012 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
= 200 mA,
T
A
= +25°C.
FIGURE 2-7: Switching Frequency vs.
Temperature; V
OUT
= 3.3V.
FIGURE 2-8: Maximum Duty Cycle vs.
Ambient Temperature; V
OUT
= 5.0V.
FIGURE 2-9: Peak Current Limit vs.
Temperature; V
OUT
= 3.3V.
FIGURE 2-10: Switch R
DSON
vs. V
BOOST.
FIGURE 2-11: V
FB
vs. Temperature;
V
OUT
= 3.3V.
FIGURE 2-12: Under Voltage Lockout vs.
Temperature.
470
475
480
485
490
495
500
505
g
Frequency (kHz)
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 200 mA
455
460
465
470
-40 -20 0 20 40 60 80 100 120
Switchin
g
Ambient Temperature (°C)
95
95.1
95.2
95.3
95.4
95.5
m
Duty Cycle (%)
V
IN
= 5V
I
OUT
= 200 mA
94.7
94.8
94.9
-40 -25 -10 5 20 35 50 65 80 95 110 125
Maximu
m
Ambient Temperature (°C)
1000
1200
1400
1600
1800
Current Limit (mA)
V
IN
= 12V
V
IN
= 30V
V
IN
= 6V
600
800
1000
-40-25-105 203550658095110125
Peak
Ambient Temperature (°C)
V
OUT
= 3.3V
420
430
440
450
460
470
480
490
500
510
3 3.5 4 4.5 5
Boost Voltage (V)
R
DSON
(mΩ)
T
A
= +25°C
V
DS
= 100 mV
0 798
0.799
0.800
0.801
0.802
B
Voltage (V)
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 100 mA
0.796
0.797
0
.
798
-40 -20 0 20 40 60 80 100 120
V
F
B
Ambient Temperature (°C)
290
3.00
3.10
3.20
3.30
3.40
3.50
3.60
3.70
3.80
V
oltage (V)
UVLO Start
UVLO St
2.50
2.60
2.70
2.80
2
.
90
-40 -25 -10 5 20 35 50 65 80 95 110 125
V
Ambient Temperature (°C)
UVLO St
op