TPS40210-Q1, TPS40211-Q1
www.ti.com
SLVS861D –AUGUST 2008–REVISED APRIL 2010
TYPICAL CHARACTERISTICS (continued)
OVERCURRENT THRESHOLD
SWITCHING FREQUENCY CHANGE
vs
vs
INPUT VOLTAGE
JUNCTION TEMPERATURE
155
5
4
154
153
3
2
152
151
150
149
4.5 V
1
0
12 V
-1
-2
30 V
148
147
V
(V)
VDD
-3
-4
-5
4.5 V
12 V
30 V
146
145
0
5
10 15
V
20
25
– Input Voltage – V
30 35
40
45
-40 -25 -10
T
5 20 35 50 65 80 95 110 125
– Junction Temperature – ° C
VDD
J
Figure 9.
Figure 10.
OSCILLATOR AMPLITUDE
vs
SOFT-START CHARGE/DISCHARGE RESISTANCE
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
29
27
1400
R
Discharge
SS(DSCH)
4.5 V
1200
1000
800
25
12 V
23
21
24 V
600
19
17
V
(V)
400
200
VDD
36 V
12 V
24 V
36 V
4.5 V
R
Charge
SS(CHG)
15
0
-40 -25 -10
T
5 20 35 50 65 80 95 110 125
– Junction Temperature – ° C
-40 -25 -10
T
5 20 35 50 65 80 95 110 125
– Junction Temperature – ° C
J
J
Figure 11.
Figure 12.
Copyright © 2008–2010, Texas Instruments Incorporated
Submit Documentation Feedback
7
Product Folder Link(s): TPS40210-Q1 TPS40211-Q1
TI [ TEXAS INSTRUMENTS ]
