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| 型号： | TPS5450MDDAREP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 11.7 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, PLASTIC, SOIC-8 |
| 文件页数： | 20/24页 |
| 文件大小： | 772K |
| 代理商： | TPS5450MDDAREP |
TYPICAL CHARACTERISTICS
2.5
2.75
3
3.25
3.5
50
25
0
25
50
75
100
125
T J JunctionT emperature °C
I Q
QuiescentCurrent
mA
V =12V
I
460
470
480
490
500
510
520
530
50
25
0
25
50
75
100
125
f
OscillatorF
requency
kHz
T JunctionTemperature °C
1.210
1.215
1.220
1.225
1.230
-50
-25
0
25
50
75
100
125
T -JunctionTemperature-°C
J
V
-V
oltageReference-V
R
EF
5
10
15
20
25
0
5
10
15
20
25
30
35
40
T J =125°C
T J =27°C
T J = –
°
40 C
ENA=0V
V I InputV oltage V
I SD
ShutdownCurrent
A
7
7.5
8
8.5
9
50
25
0
25
50
75
100
125
TJ JunctionTemperature °C
T
S
InternalSlowStartT
ime
ms
80
90
100
110
120
130
140
150
160
170
180
50
25
0
25
50
75
100
125
m
OnR
esistance
r DS(on)
T J JunctionTemperature °C
V I =12V
www.ti.com ....................................................................................................................................................................................................... SLVS935 – JULY 2009
OSCILLATOR FREQUENCY
NON-SWITCHING QUIESCENT CURRENT
vs
JUNCTION TEMPERATURE
Figure 1.
Figure 2.
SHUTDOWN QUIESCENT CURRENT
VOLTAGE REFERENCE
vs
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 3.
Figure 4.
ON RESISTANCE
INTERNAL SLOW START TIME
vs
JUNCTION TEMPERATURE
Figure 5.
Figure 6.
Copyright 2009, Texas Instruments Incorporated
5
Product Folder Link(s): TPS5450-EP
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