DS_H48SA12025_05052008
MECHANICAL DRAWING (WITH HEATSPREADER)
13
Page 1: ...The Delphi Series H48SA Half Brick 48V input single output isolated open frame DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electro...
Page 2: ...mV Operating Output Current Range Full input range 0 25 A Operating Output Power Range Full input range 0 300 W Output DC Current Protection Full input range 110 150 DYNAMIC CHARACTERISTICS Output Vol...
Page 3: ...age at 25 C Vout 12V Figure 2 Power dissipation vs load current for minimum nominal and maximum input voltage at 25 C Vout 12V 60 65 70 75 80 85 90 95 5 10 15 20 25 OUTPUT CURRENT A EFFICIENCY 36Vin 7...
Page 4: ...ge for minimum nominal and maximum input voltage at 25 C Vout 13 2V Figure 6 Power dissipation vs output voltage for minimum nominal and maximum input voltage at 25 C Vout 13 2V 0 2 4 6 8 10 12 30 0 3...
Page 5: ...ESR 0 2 ohm 25oC 100KHz Cs 220uF Vin Vin is ic 100uF ESR 0 2 ohm 25oC 100KHz Cs 220uF Figure 11 Output voltage response to step change in load current 200mV div 1ms div 75 50 75 of Io max di dt 1A s L...
Page 6: ...STIVE LOAD Figure 15 Output voltage noise and ripple measurement test setup Figure 16 Output voltage ripple at nominal input voltage and rated load current 50mV div 2us div Load capacitance 1 F cerami...
Page 7: ...e power module meets SELV safety extra low voltage requirements If the input source is a hazardous voltage which is greater than 60 Vdc and less than or equal to 75 Vdc for the module s output to meet...
Page 8: ...o restarted Auto restart mode is default mode For latch mode the module will latch off once it shutdown The latch is reset by either cycling the input power or by toggling the on off signal for one se...
Page 9: ...th When using remote sense and trim the output voltage of the module is usually increased which increases the power output of the module with the same output current Care should be taken to ensure tha...
Page 10: ...ules are mounted The following figure shows the wind tunnel characterization setup The power module is mounted on a test PWB and is vertically positioned within the wind tunnel The space between the n...
Page 11: ...put current vs ambient temperature and air velocity Vin 48V Vout 12V Openframe Version Either Orientation H48SA12025 standard Output Current vs Ambient Temperature and Air Velocity Vin 48V Either Orie...
Page 12: ...SENSE TRIM SENSE Vout Positive input voltage Remote ON OFF Case pin Negative input voltage Negative output voltage Negative remote sense Output voltage trim Positive remote sense Positive output volta...
Page 13: ...DS_H48SA12025_05052008 MECHANICAL DRAWING WITH HEATSPREADER 13...
Page 14: ...DCDC delta corp com Europe Phone 41 31 998 53 11 Fax 41 31 998 53 53 Email DCDC delta es com Asia the rest of world Telephone 886 3 4526107 ext 6220 Fax 886 3 4513485 Email DCDC delta com tw WARRANTY...