TPS40200-Q1
SLUS739D –SEPTEMBER 2006–REVISED JULY 2011
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TYPICAL CHARACTERISTICS (continued)
OSCILLATOR FREQUENCY
CURRENT-LIMIT THRESHOLD
vs
vs
TEMPERATURE
TEMPERATURE
103
102.5
102
98
96
94
92
90
88
86
84
82
80
VDD = 4.5 V
R = 202 kW
C = 470 pF
101.5
101
VDD = 12 V
VDD = 12 V
100.5
100
VDD = 52 V
99.5
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
Temp (°C)
Temp - °C
Figure 9.
Figure 10.
OSCILLATOR FREQUENCY
POWER-STAGE GAIN
vs
vs
VDD
VDD
275
270
265
260
255
250
245
240
235
230
225
220
21.00
20.50
20.00
19.50
19.00
R = 68.1 kW
C = 470 pF
TJ = 25°C
TJ = 25°C
5
10 15 20 25 30 35 40 45 50 55
VDD (V)
5
10 15 20 25 30 35 40 45 50 55
VDD - V
Figure 11.
Figure 12.
6
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