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PT4833 Datasheet(PDF) 6 Page - Texas Instruments

Part # PT4833
Description  Over-Temperature Shutdown Under-Voltage Lockout
Download  34 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PT4833 Datasheet(HTML) 6 Page - Texas Instruments

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For technical support and more information, see inside back cover or visit www.ti.com
6
SLTS165E - FEBRUARY 2002 - REVISED MARCH 2003
PT4822—48V
35-W Triple Output Isolated DC/DC
Converter for Logic Applications
PT4822 Performance Characteristics
(See Note A, B)
Typical Characteristics
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.
PT4822 Thermal Performance (See Note C)
(Io1 + Io2 + Io3 =12A, represents 100% Load)
50
60
70
80
90
100
0
20406080
100
Output Load (%)
36V
48V
75V
VIN
0
20
40
60
80
100
0
2040
6080
100
Output Load (%)
3.3V
1.8V
1.5V
VOUT
0
20
40
60
80
100
0
2040
6080
100
Output Load (%)
3.3V
1.8V
1.5V
VOUT
Efficiency vs Output Power
(Io1 =8A, Io2 =2A, Io3 =2A represents 100% Load)
Output Ripple vs Output Power; Vin =48V
(Io1 =8A, Io2 =2A, Io3 =2A represents 100% Load)
Efficiency vs Output Power
(Io1 =4A, Io2 =4A, Io3 =4A represents 100% Load)
Output Ripple vs Output Power; Vin =48V
(Io1 =4A, Io2 =4A, Io3 =4A represents 100% Load)
50
60
70
80
90
100
0
20406080
100
Output Load (%)
36V
48V
75V
VIN
0
2
4
6
8
0
20
406080
100
Output Load (%)
75V
48V
36V
VIN
Power Dissipation vs Output Load
20
30
40
50
60
70
80
90
0%
20%
40%
60%
80%
100%
Output Load (%)
200LFM
120LFM
60LFM
Nat Conv
Airflow
Safe Operating Area @Vin =48V


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