Datasheet

MCP16301
DS25004A-page 6 © 2011 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.
460
465
470
475
480
485
490
495
500
505
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
Switching Frequency (kHz)
V
IN
= 12V
I
OUT
= 200 mA
V
OUT
= 3.3V
95.45
95.5
95.55
95.6
95.65
95.7
95.75
95.8
95.85
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
Maximum Duty Cycle (%)
V
IN
= 5V
I
OUT
= 200 mA
600
800
1000
1200
1400
1600
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
Peak Current Limit (mA)
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
Boost Voltage (V)
R
DSON
(mΩ)
T
A
= +25°C
V
DS
= 100 mV
0.796
0.797
0.798
0.799
0.800
0.801
0.802
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
V
FB
Voltage (V)
V
OUT
= 3.3V
V
IN
= 12V
I
OUT
= 100 mA
3.10
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
3.55
3.60
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
Voltage (V)
UVLO Start
UVLO Stop