www.ti.com
SLUS772 – MARCH 2008
TYPICAL CHARACTERISTICS
FREQUENCY
vs
TIMING RESISTANCE
SWITCHING FREQUENCY
vs
DUTY CYCLE
1200
68 pF
33pF
100
f
SW
- Frequency - kHz
1200
C
T
(pF)
470
220
100
68
33
1000
f
SW
- Frequency - kHz
800
100pF
220 pF
400
800
600
600
400
200
470 pF
0
100
200
0
200
300 400 500 600 700 800
R
T
- Timing Resistance - kW
Figure 1.
QUIESCENT CURRENT
vs
JUNCTION TEMPERATURE
900 1000
0
0.2
0.4
0.6
0.8
D - Duty Cycle
Figure 2.
1.0
1.2
SHUTDOWN CURRENT
vs
JUNCTION TEMPERATURE
1.4
52 V
1.2
I
VDD
– Quiescent Current – mA
6
4.5 V
I
VDD
– Shutdown Current –
mA
5
1.0
12 V
0.8
4
3
0.6
2
0.4
0.2
V
VDD
12 V
4.5 V
52 V
1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
T
J
– Juncton Temperature – ° C
Figure 3.
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
T
J
– Juncton Temperature – ° C
Figure 4.
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s):
5
TI [ TEXAS INSTRUMENTS ]
