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參數資料
| 型號： | TPS5420MDREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 5.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 19/23頁 |
| 文件大小： | 658K |
| 代理商： | TPS5420MDREP |
www.ti.com
TYPICAL CHARACTERISTICS
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
V =12V
I
3
3.5
3.25
I
OperatingQuiescentCurrent
mA
Q
2.5
2.75
460
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
460
470
530
500
520
510
f
OscillatorFrequency
kHz
480
490
120
180
150
170
160
MinimumControllableOnT
ime
ns
130
140
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
1.22
1.23
1.225
V
oltageReference
V
re
f
1.21
1.215
1.22
1.23
1.225
V
oltageReference
V
re
f
1.21
1.215
V =12V
I
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
80
180
150
170
160
r
On-StateResistance
m
D
S(o
n)
W
90
120
130
140
100
110
8
9
8.5
t
InternalSlowStartT
ime
ms
SS
7
7.5
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
I
ShutdownCurrent
A
SD
m
25
ENA =0V
T =125 C
J
o
T =27 C
J
o
T =-40 C
J
o
0
40
V InputVoltage V
I
15
10
5
20
15
10
20
35
30
25
7.5
8
7.5
MinimumDutyRatio
%
7
7.25
-50
-25
0
25
125
T JunctionTemperature C
J
o
100
75
50
SLVS717 – DECEMBER 2006
MINIMUM CONTROLLABLE
OSCILLATOR FREQUENCY
OPERATING QUIESCENT CURRENT
ON TIME
vs
JUNCTION TEMPERATURE
Figure 1.
Figure 2.
Figure 3.
VOLTAGE REFERENCE
ON-STATE RESISTANCE
INTERNAL SLOW START TIME
vs
JUNCTION TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
MINIMUM CONTROLLABLE
SHUTDOWN QUIESCENT CURRENT
DUTY RATIO
vs
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 7.
Figure 8.
5
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