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: 2/46页
文件大小: 1778K
代理商: TPS54140DGQR
85
90
95
100
105
110
115
-50
-25
0
25
50
75
100
125
150
PWRGDThreshold-%ofV
ref
VSENSEFalling
VSENSERising
VSENSEFalling
VSENSERising
V =12V
I
T -JunctionTemperature-°C
J
0
20
40
60
80
100
-50
-25
0
25
50
75
100
125
150
RDSON-
W
T -JunctionTemperature-°C
J
V =12V
I
2
2.25
2.50
2.75
3
-50
-25
0
25
50
75
100
125
150
V
-V
I(VI
N
)
T -JunctionTemperature-°C
J
1.5
1.8
2
2.3
2.5
-50
-25
0
25
50
75
100
125
150
V
-V
I(B
O
T
-PH
)
T -JunctionTemperature-°C
J
0
100
200
300
400
500
0
100
200
300
400
500
600
700
800
VSENSE-mV
Offset-mV
V =12V,
I
T =25 C
J
o
30
35
40
45
50
55
60
-50
-25
0
25
50
75
100
125
150
Offset-mV
V
=0.2V
(SS/TR)
V =12V
I
T -JunctionTemperature-°C
J
SLVS889 – OCTOBER 2008 .............................................................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
PWRGD ON RESISTANCE vs JUNCTION TEMPERATURE
PWRGD THRESHOLD vs JUNCTION TEMPERATURE
Figure 19.
Figure 20.
BOOT-PH UVLO vs JUNCTION TEMPERATURE
INPUT VOLTAGE (UVLO) vs JUNCTION TEMPERATURE
Figure 21.
Figure 22.
SS/TR TO VSENSE OFFSET vs VSENSE
SS/TR TO VSENSE OFFSET vs TEMPERATURE
Figure 23.
Figure 24.
10
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS54140
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