參數(shù)資料
型號： TPS54331DG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 24/27頁
文件大?。?/td> 794K
代理商： TPS54331DG4
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
5.50
5.75
6
6.25
6.50
6.75
7
7.25
7.50
-50
-25
0
25
50
75
100
125
150
MinimumControllableDutyRatio-%
T -JunctionTemperature-°C
J
VIN=12V
100
110
120
130
140
-50
-25
0
25
50
75
100
125
150
T
onmin-MinimumControllableOnT
ime-ns
T -JunctionTemperature-°C
J
VIN=12V
3
4
5
6
3
8
13
18
23
28
V -InputVoltage-V
I
CurrentLimitThreshold-
A
T =150°C
J
T =25°C
J
T =-40°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
V
-OutputV
oltage-V
O
V -InputVolatage-V
I
0.75
0.85
0.95
1.05
1.15
1.25
I
=2 A
O
I
=3 A
O
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
=3 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
SLVS839C – JULY 2008 – REVISED MARCH 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
VOLTAGE REFERENCE
MINIMUM CONTROLLABLE ON TIME
MINIMUM CONTROLLABLE DUTY 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 MINIMUM OUTPUT VOLTAGE
TYPICAL MAXIMUM OUTPUT VOLTAGE
MAXIMUM POWER DISSIPATION
vs
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 9.
Figure 10.
Figure 11.
6
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS54331
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