参数资料
型号: TPS54140DGQR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封装: GREEN, PLASTIC, MSOP-10
文件页数: 44/46页
文件大小: 1778K
代理商: TPS54140DGQR
TYPICAL CHARACTERISTICS
0.784
0.792
0.800
0.808
0.816
-50
-25
0
25
50
75
100
125
150
V
-V
oltageReference-V
re
f
T -JunctionTemperature-°C
J
V =12V
I
0
125
250
375
500
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
RDSON-StaticDrain-SourceOn-StateResistance-m
W
BOOT-PH=3V
BOOT-PH=6V
V =12V
I
550
570
580
590
600
610
-50
-25
0
25
50
75
100
125
150
f
-SwitchingFrequency-kHz
s
560
T -JunctionTemperature-°C
J
V =12V,
RT =200k
I
W
2
2.5
3
3.5
-50
-25
0
25
50
75
100
125
150
SwitchCurrent-
A
T -JunctionTemperature-°C
J
V =12V
I
0
500
1000
1500
2000
2500
0
25
50
75
100
125
150
175
200
RT/CLK-Resistance-kW
f
-SwitchingFrequency-kHz
s
V =12V,
T =25°C
I
J
0
200
400
600
800
1000
100
200
300
400
500
600
700
800
900
1000
RT/CLK-Resistance-kW
f
-SwitchingFrequency-kHz
s
V =12V,
T =25°C
I
J
www.ti.com .............................................................................................................................................................................................. SLVS889 – OCTOBER 2008
ON RESISTANCE vs JUNCTION TEMPERATURE
VOLTAGE REFERENCE vs JUNCTION TEMPERATURE
Figure 1.
Figure 2.
SWITCH CURRENT LIMIT vs JUNCTION TEMPERATURE
SWITCHING FREQUENCY vs JUNCTION TEMPERATURE
Figure 3.
Figure 4.
SWITCHING FREQUENCY vs RT/CLK RESISTANCE HIGH
SWITCHING FREQUENCY vs RT/CLK RESISTANCE LOW
FREQUENCY RANGE
Figure 5.
Figure 6.
Copyright 2008, Texas Instruments Incorporated
7
Product Folder Link(s): TPS54140
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