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: 45/46页
文件大小: 1778K
代理商: TPS54140DGQR
10
20
30
40
-50
-25
0
25
50
75
100
125
150
gm-
A/V
m
T -JunctionTemperature-°C
J
V =12V
I
50
70
90
110
130
150
-50
-25
0
25
50
75
100
125
150
gm-
A/V
m
T -JunctionTemperature-°C
J
V =12V
I
1.10
1.20
1.30
1.40
-50
-25
0
25
50
75
100
125
150
EN-Threshold-V
T -JunctionTemperature-°C
J
V =12V
I
-4.25
-4
-3.75
-3.5
-3.25
-50
-25
0
25
50
75
100
125
150
I
-
A
(EN
)
m
T -JunctionTemperature-°C
J
V =12V,
V
= Threshold+50mV
I
I(EN)
-1
-0.95
-0.9
-0.85
-0.8
-50
-25
0
25
50
75
100
125
150
I
-
A
(EN
)
m
T -JunctionTemperature-°C
J
V =12V,
V
= Threshold-50mV
I
I(EN)
-3
-2.5
-2
-1.5
-1
-50
-25
0
25
50
75
100
125
150
I
-
A
(SS/
TR
)
m
T -JunctionTemperature-°C
J
V =12V
I
SLVS889 – OCTOBER 2008 .............................................................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
EA TRANSCONDUCTANCE DURING SLOW START vs
JUNCTION TEMPERATURE
EA TRANSCONDUCTANCE vs JUNCTION TEMPERATURE
Figure 7.
Figure 8.
EN PIN VOLTAGE vs JUNCTION TEMPERATURE
EN PIN CURRENT vs JUNCTION TEMPERATURE
Figure 9.
Figure 10.
EN PIN CURRENT vs JUNCTION TEMPERATURE
SS/TR CHARGE CURRENT vs JUNCTION TEMPERATURE
Figure 11.
Figure 12.
8
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS54140
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