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PT4833 Datasheet(PDF) 6 Page - Texas Instruments |
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PT4833 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 34 page 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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