Datasheet

 2002-2013 Microchip Technology Inc. DS21756C-page 9
TC642B/TC647B
Note: Unless otherwise indicated, V
DD
= 5V, T
A
= +25°C.
FIGURE 2-13: PWM Sink Current (I
OL
) vs.
Temperature.
FIGURE 2-14: V
SHDN
Threshold vs.
Temperature.
FIGURE 2-15: V
REL
Threshold vs.
Temperature.
FIGURE 2-16: V
OTF
Threshold vs.
Temperature.
FIGURE 2-17: Over-Temperature
Hysteresis (V
OTF-HYS
) vs. Temperature.
0
5
10
15
20
25
30
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
V
OUT
I
OL
(mA)
V
DD
= 5.5V
V
DD
= 5.0V
V
DD
= 4.0V
V
DD
= 3.0V
V
OL
= 0.1V
DD
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.80
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
V
SHDN
(V)
V
DD
= 3.0V
V
DD
= 4.0V
V
DD
= 5.0V
V
DD
= 5.5V
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
V
REL
(V)
V
DD
= 3.0V
V
DD
= 4.0V
V
DD
= 5.0V
V
DD
= 5.5V
2.595
2.600
2.605
2.610
2.615
2.620
2.625
2.630
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
V
OTF
(V)
V
DD
= 3.0V
V
DD
= 5.0V
V
DD
= 5.5V
70
75
80
85
90
95
100
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
V
OTF
Hysteresis (mV)
V
DD
= 5.5V
V
DD
= 3.0V