Datasheet
2002-2013 Microchip Technology Inc. DS21756C-page 7
TC642B/TC647B
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, V
DD
= 5V, T
A
= +25°C.
FIGURE 2-1: I
DD
vs. Temperature.
FIGURE 2-2: PWM Sink Current (I
OL
) vs.
V
OL
.
FIGURE 2-3: PWM Source Current (I
OH
)
vs. V
DD
-V
OH
.
FIGURE 2-4: PWM Frequency vs.
Temperature.
FIGURE 2-5: I
DD
vs. V
DD
.
FIGURE 2-6: I
DD
Shutdown vs.
Temperature.
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
125
130
135
140
145
150
155
160
165
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
I
DD
(µA)
V
DD
= 3.0V
V
DD
= 5.5V
Pins 6 & 7 Open
C
F
= 1 µF
0
2
4
6
8
10
12
14
16
0 50 100 150 200 250 300 350 400 450 500 550 600
V
OL
(mV)
I
OL
(mA)
V
DD
= 5.5V
V
DD
= 5.0V
V
DD
= 3.0V
V
DD
= 4.0V
0
2
4
6
8
10
12
14
16
0 100 200 300 400 500 600 700 800
V
DD
- V
OH
(mV)
I
OH
(mA)
V
DD
= 5.5V
V
DD
= 5.0V
V
DD
= 3.0V
V
DD
= 4.0V
28.50
29.00
29.50
30.00
30.50
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
Oscillator Frequency (Hz)
V
DD
= 3.0V
V
DD
= 5.5V
C
F
= 1.0PF
125
130
135
140
145
150
155
160
165
170
33.544.555.5
V
DD
(V)
I
DD
(µA)
T
A
= -40ºC
T
A
= -5ºC
T
A
= +125ºC
T
A
= +90ºC
Pins 6 & 7 Open
C
F
= 1 µF
15
18
21
24
27
30
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (ºC)
I
DD
Shutdown (µA)
V
DD
= 5.5V
V
DD
= 3.0V
Pins 6 & 7 Open
V
MIN
= 0V