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參數(shù)資料
| 型號： | PT4801C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 3-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SIP-15 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 183K |
| 代理商： | PT4801C |
For technical support and more information, see inside back cover or visit www.ti.com
Note A:
All Characteristic data in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note B:
SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.
Typical Characteristics
PT4801—48V
25-W Triple Output Isolated DC/DC
Converter for DSL Applications
PT4801 Characteristic Data (See Note A)
Efficiency vs Output Current
Power Dissipation vs Output Current
Ripple vs Output Current; @Vin =48V
Load Regulation vs Output Current; Vo1 =+15V
Load Regulation vs Output Current; Vo2 =+3.3V
Load Regulation vs Output Current; Vo3 =+1.5V
PT4801 SOA vs Output Power
Safe Operating Area, Vin =48V (See Note B)
50
60
70
80
90
0
20406080
100
% Load (All Outputs)
Efficiency
-
%
36V
48V
75V
VIN
0
20
40
60
80
100
0
204060
80
100
% Load (All Outputs)
Ripple
-
mV
(+15V)
(1.5V)
(3.3V)
Output
0
2
4
6
8
10
0
20406080
100
% Load (All Outputs)
Pd
-
Watts
75V
48V
36V
VIN
15.1
15.2
15.3
15.4
15.5
0
2040
6080
100
% Load (All 3 Outputs)
Load
Regulation
V
o
75
48
36
VIN
3.28
3.288
3.296
3.304
3.312
3.32
0
204060
80
100
% Load (All 3 Outputs)
Load
Regulation
V
o
36
48
75
VIN
1.48
1.488
1.496
1.504
1.512
1.52
0
204060
80
100
% Load (All 3 Outputs)
Load
Regulation
V
o
36
48
75
VIN
20
30
40
50
60
70
80
90
0
5
10
15
20
25
Output Power (W)
Ambient
Temperature
(°C)
400LFM
200LFM
120LFM
60LFM
Nat conv
Airflow
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