Datasheet

 2004-2013 Microchip Technology Inc. DS21876B-page 11
MCP1650/51/52/53
Note: Unless otherwise indicated, V
IN
= 3.3V, VOUT = 12V, C
IN
= 10 µF (x5R or X7R Ceramic), C
OUT
= 10 µF (X5R or X7R),
I
OUT
= 10 mA, L = 3.3 µH, SHDN > V
IH
, T
A
= +25°C.
FIGURE 2-25: PG Threshold and
Hysteresis Percentage vs. Input Voltage.
FIGURE 2-26: PG Output Voltage vs. Sink
Current.
FIGURE 2-27: PG Timing.
FIGURE 2-28: Current Sense Threshold
vs. Input Voltage.
FIGURE 2-29: V
EXT
High Output Voltage
vs. Input Voltage.
FIGURE 2-30: V
EXT
Low Output Voltage
vs. Input Voltage.
-20
-15
-10
-5
0
5
10
15
20
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6
Input Voltage (V)
PG Threshold and Hysteresis
(% of V
OUT
)
PG
TH(HIGH)
T
A
= 25°C
PG
TH(LOW)
PG
TH(Hysteresis)
0
50
100
150
200
250
0246810
PG Output Sink Current (mA)
PG Ouput Voltage (mV)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C
104
106
108
110
112
114
116
22.533.544.555.56
Input Voltage (V)
Current Sense Threshold (mV)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C
0.0
4.0
8.0
12.0
16.0
20.0
22.533.544.555.56
Input Voltage (V)
V
EXT
R
ON
HIGH (Ohms)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
22.533.544.555.56
Input Voltage (V)
V
EXT
R
ON
Low (Ohms)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C