Datasheet

 2004-2013 Microchip Technology Inc. DS21896C-page 9
MCP1630/MCP1630V
Note: Unless otherwise noted, V
IN
= 3.0V to 5.5V, F
OSC
= 1 MHz with 10% Duty Cycle, C
IN
= 0.1 µF, V
IN
for typical
values = 5.0V, T
A
= -40°C to +125°C.
FIGURE 2-7: V
EXT
Rise Time vs. Input
Voltage.
FIGURE 2-8: V
EXT
Fall Time vs. Input
Voltage.
FIGURE 2-9: Current Sense to V
EXT
Delay vs. Input Voltage (MCP1630).
FIGURE 2-10: Current Sense Clamp
Voltage vs. Input Voltage (MCP1630).
FIGURE 2-11: Undervoltage Lockout vs.
Temperature.
FIGURE 2-12: EXT Output N-channel
R
DSON
vs. Input Voltage.
0
1
2
3
4
5
6
7
8
9
10
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
Input Voltage (V)
V
EXT
Rise Time (ns)
T
A
= - 40°C
T
A
= + 25°C
T
A
= + 125°C
C
L
= 100 pF
0
1
2
3
4
5
6
7
8
9
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
Input Voltage (V)
V
EXT
Fall Time (ns)
T
A
= - 40°C
T
A
= + 25°C
T
A
= + 125°C
C
L
= 100 pF
0
5
10
15
20
25
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
Input Voltage (V)
CS to V
EXT
delay (ns)
T
A
= - 40°CT
A
= + 25°C
T
A
= + 125°C
0.895
0.896
0.897
0.898
0.899
0.9
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
Input Voltage (V)
CS Clamp Voltage (V)
T
A
= - 40°C
T
A
= + 25°C
T
A
= + 125°C
2.84
2.86
2.88
2.90
2.92
2.94
2.96
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
UVLO Threshold (V)
Turn On Threshold
Turn Off Threshold
0
2
4
6
8
10
12
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
Input Voltage (V)
EXT Output N-Channel R
DSON
(ohms)
T
A
= - 40°CT
A
= + 25°C
T
A
= + 125°C