Datasheet

MCP16301/H
DS20005004C-page 6  2011-2013 Microchip Technology Inc.
Note: Unless otherwise indicated, V
IN
=EN=12V, C
OUT
=C
IN
=2X10µF, L=15µH, V
OUT
=3.3V, I
LOAD
=200mA,
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: Undervoltage Lockout vs.
Temperature.
455
460
465
470
475
480
485
490
495
500
505
-40 -20 0 20 40 60 80 100 120
Switching Frequency (kHz)
Ambient Temperature (°C)
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 200 mA
94.7
94.8
94.9
95
95.1
95.2
95.3
95.4
95.5
-40 -25 -10 5 20 35 50 65 80 95 110
125
Maximum Duty Cycle (%)
Ambient Temperature (°C)
V
IN
= 5V
I
OUT
= 200 mA
600
800
1000
1200
1400
1600
1800
-40 -25 -10 5 20 35 50 65 80 95 110
125
Peak Current Limit (mA)
Ambient Temperature (°C)
V
IN
= 12V
V
IN
= 30V
V
IN
= 6V
V
OUT
= 3.3V
420
430
440
450
460
470
480
490
500
510
33.544.55
RDSON (m
:
)
Boost Voltage (V)
T
A
= 25°C
V
DS
= 100 mV
0.796
0.797
0.798
0.799
0.800
0.801
0.802
-40 -20 0 20 40 60 80 100 120
V
FB
Voltage (V)
Ambient Temperature (°C)
V
IN
= 12V
V
OUT
= 3.3V
I
OUT
= 100 mA
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.20
3.30
3.40
3.50
3.60
3.70
3.80
-40 -25 -10 5 20 35 50 65 80 95 110 125
Voltage (V)
Ambient Temperature (°C)
UVLO Start
UVLO Stop