d48s1238 Delta Electronics, Inc., d48s1238 Datasheet
d48s1238
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d48s1238 Summary of contents
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... Delphi Series D48S1238, 450W Quarter Brick DC/DC Power Modules: 48V in, 12V/38A out The Delphi series D48S1238, quarter Brick, 43~57V input, single output, isolated DC/DC converter is the latest offering from a world leader in power system and technology and manufacturing ― Delta Electronics, Inc. This product family provides up to 450 watts of regulated 12V output power in an industry standard quarter brick footprint and pinout ...
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... Io.max to 75% Io.max 75% Io.max to 50% Io.max From On/Off falling edge to 10%Vo,set From 90% of Vin 10%Vo,set 10 90 For D48S1238-2 A/E For D48S1238-2C Vin=48V, Io=min-max Withstand continuous short-circuit, latch mode Vin=48V, Vo=12V shall exist for at least 250ms ~ 1Sec Vin=48V Vin=48V, Vo=12V, Io=38A Von/off at Ion/off=1 ...
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... Output Current (A) Figure 3: Output voltage regulation vs. load current showing typical current limit curves and converter shutdown point for minimum, nominal, and maximum input voltage at room temperature. DS_D48S1238-2_10232008 48V 15 57V 10 43V Figure 2: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25° ...
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... Vout (500mV/div). Scope measurement should be made using a BNC cable (length shorter than 20 inches). Position the load between 51mm to 76mm (2 inches to 3 inches) from the module. DS_D48S1238-2_10232008 Figure 5: Turn-on transient at zero load current (2 ms/div). Ch3 : Vout; 2V/div; Ch2: ON/OFF input: 2V/div ...
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... TEST possible battery impedance. Measure current as shown above. Figure 9: Output voltage noise and ripple measurement test setup. DS_D48S1238-2_10232008 Figure 8: Input Terminal Ripple Current, i current and nominal input voltage with 12µH source impedance and 33µF electrolytic capacitor (50 mA/div). Figure 10: Output voltage ripple at nominal input voltage and rated load current (20mV/div). Load capacitance: 2200uF*2 electrical capacitor, 0.47µ ...
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... Vdc and less than or equal to 75 Vdc, for the module’s output to meet SELV requirements, all of the following must be met: DS_D48S1238-2_10232008 The input source must be insulated from the ac mains by reinforced or double insulation. The input terminals of the module are not operator accessible ...
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... For negative logic if the remote on/off feature is not used, please short the on/off pin to Vi (-). For positive logic if the remote on/off feature is not used, please leave the on/off pin to floating. DS_D48S1238-2_10232008 Figure 11: Remote on/off implementation Power Good The converter (C, D option code) provides an open collector signal called Power Good (POK) ...
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... The allowed maximum hot spot temperature is defined at 110 the wind tunnel Input MODULE Figure 14: Temperature measurement location (with heatspreader) * The allowed maximum hot spot temperature is defined at 90 D48S1238-2 Output Current vs. Ambient Temperature and Air Velocity Output Current ( 12.7 (0.5”) 20 100LFM ...
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... Figure 17: Output current vs. ambient temperature and air velocity @ V =48V (With heatspreader, Transverse orientation) in D48S1238-2 Output Current vs. Ambient Temperature and Air Velocity @ Vin =48V, With Heatspreader(Longitudinal Orientation) Output Current ( 100LFM 15 200LFM 400LFM 10 300LFM ...
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... MECHANICAL DRAWING (WITHOUT HEATSPREADER) DS_D48S1238-2_10232008 10 ...
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... POK 7 +Vout Notes: 1. Pin1 and 6 are1.00mm (0.040”) diameter. 2. All pins are copper with Tin Plating (Lead Free) 3. Pin length ( below table. DS_D48S1238-2_10232008 Function Positive input voltage Remote ON/OFF CASE (Optional) Negative input voltage Negative output voltage Power Good (Optional) ...
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... MECHANICAL DRAWING (WITH HEATSINK, OPTION CODE D) DS_D48S1238-2_10232008 12 ...
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... MODEL LIST Part Number INPUT D48S1238-2 A 43V~57V D48S1238-2 C 43V~57V D48S1238-2 D 43V~57V D48S1238-2 E 43V~57V Default remote on/off logic is negative For different remote on/off logic or heatspreader assembly, please contact your local sales CONTACT : www.delta.com.tw/dcdc USA: Telephone: East Coast: (888) 335 8201 ...