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PT4821C Datasheet(PDF) 10 Page - Texas Instruments |
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PT4821C Datasheet(HTML) 10 Page - Texas Instruments |
10 / 33 page For technical support and more information, see inside back cover or visit www.ti.com 10 SLTS165E - FEBRUARY 2002 - REVISED MARCH 2003 PT4824—48V 35-W Triple Output Isolated DC/DC Converter for Logic Applications 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. PT4824 Performance Characteristics (See Notes A, B) Power Dissipation vs Output Load PT4824 Thermal Performance (See Note C) (Io1 + Io2 + Io3 =12A, represents 100% Load) 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 50 60 70 80 90 100 0 2040 6080 100 Output Load (%) 36V 48V 75V VIN 0 20 40 60 80 100 0 2040 6080 100 Output Load (%) 3.3V 1.8V 1.2V VOUT 0 20 40 60 80 100 0 2040 6080 100 Output Load (%) 3.3V 1.8V 1.2V VOUT 0 2 4 6 8 0 20406080 100 Output Load (%) 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 (%) 200LFM 120LFM 60LFM Nat Conv Airflow |
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