background image

 

THERMAL CURVES: NO HEATSINK 

 

 

Figure 16: Case temperature measurement location. 
Pin locations are for reference only.

 

 Figure 

17: 

Output current vs. ambient temperature and air velocity 

(V

in

<60V)

 

 

 

Figure 18: Output current vs. ambient temperature and air 
velocity (V

in

=75V)

 

 Figure 

19: Power dissipation vs. ambient temperature and air 

velocity

 

 

H48SV05020(Standard) Output Current vs. Ambient Temperature and Air Velocity

@ Vin < 60V (Either Orientation, no Heat sink)

0

3

6

9

12

15

18

21

25

35

45

55

65

75

85

95

105

Ambient Temperature (

)

Output Current(A)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

H48SV05020(Standard) Output Current vs. Ambient Temperature and Air Velocity

@ Vin = 75V (Either Orientation, no Heat sink)

0

3

6

9

12

15

18

21

15

25

35

45

55

65

75

85

95

105

Ambient Temperature (

)

Output Current(A)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

H48SV05020(Standard) Power Dissipation vs. Ambient Temperature and Air Velocity

(Either Orientation, no Heat sink)

0

2

4

6

8

10

12

14

16

15

25

35

45

55

65

75

85

95

105

Ambient Temperature (

)

Power Dissipation (Watts)

Natural

Convection

100LFM

200LFM

300LFM

400LFM

500LFM

600LFM

 

 

 
 

Summary of Contents for Delphi H48SV

Page 1: ...put output voltage current and temperature conditions The Delphi Series converters meet all safety requirements with basic insulation OPTIONS Positive Remote On Off logic Short pin lengths available A...

Page 2: ...A Output DC Current Limit Inception Output Voltage 10 Low 110 150 DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V 10 F Tan 1 F Ceramic load cap 0 1A s Positive Step Change in Output Curre...

Page 3: ...9 0 10 0 11 0 12 0 13 0 14 0 2 5 5 7 5 10 12 5 15 17 5 20 OUTPUT CURRENT A POWER DISSIPATION W 36Vin 48Vin 75Vin Figure 1 Efficiency vs load current for minimum nominal and maximum input voltage at 2...

Page 4: ...re 5 Turn on transient at zero load current 2 ms div Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input 5V div For Positive Remote On Off Logic Figure 6 Turn on transient at full rated load curre...

Page 5: ...p change in load current 75 50 75 of Io max di dt 2 5A s Load cap 470 F 35m ESR solid electrolytic capacitor and 1 F ceramic capacitor Top Trace Vout 100mV div Bottom Trace Iout 5A div Scope measureme...

Page 6: ...voltage with 12 H source impedance and 33 F electrolytic capacitor 200 mA div Figure 12 Input reflected ripple current is through a 12 H source inductor at nominal input voltage and rated load current...

Page 7: ...nd rated load current Io 20A 20 mV div Load capacitance 1 F ceramic capacitor and 10 F tantalum capacitor Bandwidth 20 MHz See Figure 12 Scope measurement should be made using a BNC cable length short...

Page 8: ...25 35 45 55 65 75 85 95 105 Ambient Temperature Output Current A Natural Convection 100LFM 200LFM 300LFM 400LFM 500LFM 600LFM H48SV05020 Standard Output Current vs Ambient Temperature and Air Velocit...

Page 9: ...ta s technical support team DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC DC power modules will interact with the modules and affect the stability...

Page 10: ...a logic high Positive logic turns the modules on during a logic high and off during a logic low Remote on off can be controlled by an external switch between the on off terminal and the Vi terminal Th...

Page 11: ...reases the power output of the module with the same output current Care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated power FEATURES DESCR...

Page 12: ...n which the power modules 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 Th...

Page 13: ...egative input voltage Case Ground Remote ON OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage Pin Specification...

Page 14: ...c and pin length please refer to part numbering system above or contact your local sales CONTACT www delta com tw dcdc USA Telephone East Coast 888 335 8201 West Coast 888 335 8208 Fax 978 656 3964 Em...

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