DS_Q48SP12017_05302008
12
Mechanical Drawing (FOR Q48SP12017Exxx)
Page 1: ...Server and Data Storage Industrial Test Equipment Delphi Series Q48SP 216W Quarter Brick Family DC DC Power Modules 48V in 12V 18A out The Delphi Series Q48SP Quarter Brick 48V input 12V single output...
Page 2: ...dth Peak to Peak Full Load 1 F ceramic 10 F tantalum 150 mV RMS Full Load 1 F ceramic 10 F tantalum 50 mV Operating Output Current Range 0 18 A Output DC Current Limit Inception Output Voltage 10 Low...
Page 3: ...ENT A LOSS W 36V 48V 75V Figure 1 Efficiency vs load current for minimum nominal and maximum input voltage at 25 C Figure 2 Power dissipation vs load current for minimum nominal and maximum input volt...
Page 4: ...in load current 75 50 of Io max di dt 0 1A s Load cap 10uf tantalum capacitor and 1 F ceramic capacitor Top Trace Vout 200mV div Bottom Trace Iout 5A div Scope measurement should be made using a BNC c...
Page 5: ...rent and Input Reflected Ripple Current Note Measured input reflected ripple current with a simulated source Inductance LTEST of 12 H Capacitor Cs offset possible battery impedance Measure current as...
Page 6: ...ches from the module Figure 13 Output voltage ripple at 48V input voltage and rated load current 50 mV div Load capacitance 1 F ceramic capacitor and 10 F tantalum capacitor Bandwidth 25 MHz Scope mea...
Page 7: ...meet SELV requirements all of the following must be met The input source must be insulated from any hazardous voltages including the ac mains with reinforced insulation One Vi pin and one Vo pin are...
Page 8: ...d by an external switch between the on off terminal and the Vi terminal The switch can be an open collector or open drain For negative logic if the remote on off feature is not used please short the o...
Page 9: ...ntage Trim resistor value K Figure 18 Trim UP resistor selection Figure 19 Circuit configuration for trim down decrease output voltage If the external resistor is connected between the TRIM and SENSE...
Page 10: ...le is constantly kept at 6 35mm 0 25 Thermal Derating Heat can be removed by increasing airflow over the module The module s maximum hot spot temperature is pending to release and the measured locatio...
Page 11: ...SE TRIM SENSE Vout Negative input voltage Case ground pin Remote ON OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output v...
Page 12: ...DS_Q48SP12017_05302008 12 Mechanical Drawing FOR Q48SP12017Exxx...
Page 13: ...DS_Q48SP12017_05302008 13 MECHANICAL DRAWING WITH HEATSPREADER...
Page 14: ...CONTACT www delta com tw dcdc USA Telephone East Coast 888 335 8201 West Coast 888 335 8208 Fax 978 656 3964 Email DCDC delta corp com Europe Telephone 41 31 998 53 11 Fax 41 31 998 53 53 Email DCDC d...
