參數(shù)資料
型號: PT78ST114ST
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 2/7頁
文件大?。?/td> 174K
代理商: PT78ST114ST
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Typical Characteristics
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
9
13
17
21
25
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
9
12
15
18
21
24
27
30
33
36
39
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
16
19
22
25
28
31
34
37
40
PT78ST133, 3.3 VDC
(See Note 1)
PT78ST105, 5.0 VDC
(See Note 1)
PT78ST112, 12.0 VDC
(See Note 1)
Efficiency vs Output Current
Ripple vs Output Current
Thermal Derating (T
a
)
(See Note 2)
Power Dissipation vs Output Current
E
R
I
P
E
E
R
R
I
I
P
P
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Vin-(Volts)
Vin-(Volts)
Vin-(Volts)
40
50
60
70
80
90
100
0
0.25
0.5
0.75
1
1.25
1.5
9.0V
12.0V
15.0V
20.0V
26.0V
Vin
40
50
60
70
80
90
100
0
0.25
0.5
0.75
1
1.25
1.5
16.0V
18.0V
24.0V
30.0V
38.0V
Vin
0
50
100
150
200
250
300
0
0.25
0.5
0.75
1
1.25
1.5
38.0V
30.0V
24.0V
18.0V
16.0V
Vin
0
20
40
60
80
100
0
0.25
0.5
0.75
1
1.25
1.5
26.0V
20.0V
15.0V
12.0V
9.0V
Vin
0
0.5
1
1.5
2
2.5
3
0
0.25
0.5
0.75
1
1.25
1.5
38.0V
30.0V
24.0V
18.0V
16.0V
Vin
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
0
0.25
0.5
0.75
1
1.25
1.5
26.0V
20.0V
15.0V
12.0V
9.0V
Vin
85°C
60°C
70°C
85°C
85°C
70°C
Note 1:
All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note 2:
Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application Notes.)
40
50
60
70
80
90
100
0
0.25
0.5
0.75
1
1.25
1.5
9.0V
12.0V
18.0V
24.0V
30.0V
38.0V
Vin
0
30
60
90
120
150
0
0.25
0.5
0.75
1
1.25
1.5
38.0V
30.0V
24.0V
18.0V
12.0V
9.0V
Vin
0
0.5
1
1.5
2
2.5
0
0.25
0.5
0.75
1
1.25
1.5
38.0V
30.0V
24.0V
18.0V
12.0V
9.0V
Vin
60
°
C
70
°
C
60
°
C
Efficiency vs Output Current
Efficiency vs Output Current
Ripple vs Output Current
Ripple vs Output Current
Thermal Derating (T
a
)
(See Note 2)
Thermal Derating (T
a
)
(See Note 2)
Power Dissipation vs Output Current
Power Dissipation vs Output Current
1.5 Amp Positive Step-Down
Integrated Switching Regulator
PT78ST100 Series
相關(guān)PDF資料
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