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參數(shù)資料
| 型號： | PT4833N |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 3-OUTPUT 35 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, SIP-21/18 |
| 文件頁數(shù)： | 10/34頁 |
| 文件大?。?/td> | 483K |
| 代理商： | PT4833N |
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For technical support and more information, see inside back cover or visit www.ti.com
18
SLTS165E - FEBRUARY 2002 - REVISED MARCH 2003
PT4828—48V
35-W Triple Output Isolated DC/DC
Converter for Logic Applications
PT4828 Performance Characteristics
(See Notes A, B)
Typical Characteristics
Power Dissipation vs Output Load
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:
Output Load (%) represents the percent drawn from each output of the stated 100% load condition.
Note C:
SOA curves represent operating conditions at which the internal components are at or below the manufacturer’s maximum rated operating temperatures.
PT4828 Thermal Performance (See Note C)
(Io1 + Io2 + Io3 =9A ,represents 100% Load)
50
60
70
80
90
100
0
20406080
100
Output Load (%)
Efficiency
-
%
36V
48V
75V
VIN
0
20
40
60
80
100
0
2040
6080
100
Iout (A)
Ripple
-
mV
5.0V
2.5V
1.5V
VOUT
0
20
40
60
80
100
0
2040
6080
100
Output Load (%)
Ripple
-
mV
5.0V
2.5V
1.5V
VOUT
Efficiency vs Output Power
(Io1 =5A, Io2 =2A, Io3 =2A represents 100% Load)
Output Ripple vs Output Power; Vin =48V
(Io1 =5A, Io2 =2A, Io3 =2A represents 100% Load)
Efficiency vs Output Power
(Io1 =2A, Io2 =2A, Io3 =5A represents 100% Load)
Output Ripple vs Output Power; Vin =48V
(Io1 =2A, Io2 =2A, Io3 =5A represents 100% Load)
0
2
4
6
8
10
0
20406080
100
Output Load (%)
Pd
-
Watts
75V
48V
36V
VIN
50
60
70
80
90
100
0
20406080
100
Output Load (%)
Efficiency
-
%
36V
48V
75V
VIN
Safe Operating Area @Vin =48V
20
30
40
50
60
70
80
90
0%
20%
40%
60%
80%
100%
Output Load (%)
Ambient
Temperature
(
°C)
200LFM
120LFM
60LFM
Nat Conv
Airflow
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