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參數(shù)資料
| 型號(hào)： | TPS54233DG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 390 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 22/25頁 |
| 文件大小： | 789K |
| 代理商： | TPS54233DG4 |
0.7760
0.7820
0.7880
0.7940
0.8000
0.8060
0.8120
0.8180
0.8240
-50
-25
0
25
50
75
100
125
150
V
ref-V
oltageReference-V
T -JunctionTemperature-°C
J
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
MinimumControllableDutyRatio-%
3
3.25
3.50
3.75
4
VIN=12V
100
110
120
130
140
T
onmin-MinimumControllableOnT
ime-ns
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
VIN=12V
4
3
8
13
18
23
28
V -InputVoltage-V
I
CurrentLimitThreshold-
A
3.5
3
T =25°C
J
T =-40°C
J
T =150°C
J
1.90
2
2.10
-50
-25
0
25
50
75
100
125
150
I
-SlowStartChargeCurrent-
A
SS
m
T -JunctionTemperature-°C
J
3
8
13
18
23
28
0
5
10
15
20
25
30
V
-OutputV
oltage-V
O
V -InputVoltage-V
I
I
=2 A
O
I
=1 A
O
25
50
75
100
125
150
0
0.2
0.4
0.6
0.8
1
1.2
P -PowerDissipation-W
D
T
-JunctionT
emperature-°C
J
SLUS859B
– OCTOBER 2008 – REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
MINIMUM CONTROLLABLE ON
MINIMUM CONTROLLABLE DUTY
VOLTAGE REFERENCE
TIME
RATIO
vs
JUNCTION TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
SS CHARGE CURRENT
CURRENT LIMIT THRESHOLD
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
Figure 7.
Figure 8.
SUPPLEMENTAL APPLICATION CURVES
TYPICAL MAXIMUM OUTPUT VOLTAGE
MAXIMUM POWER DISSIPATION
vs
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 9.
Figure 10.
6
2008–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS54233
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