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Delta Electronics Delphi S48SP, Техническое описание

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Delta Electronics Delphi S48SP Скачать руководство пользователя страница 6

 

DS_S48SP05007_05222008 

 
 

6 

ELECTRICAL CHARACTERISTICS CURVES 

 

 

Figure 11: 

Input Terminal Ripple Current, i

c

, at full rated output 

current

 

and nominal input voltage with 12µH source impedance 

and 33µF electrolytic capacitor (100mA/div, 1us/div)

 

 

 Figure 

12: 

Input reflected ripple current, i

s

, through a 12µH 

source

 

inductor at nominal input voltage and rated load current 

(20 mA/div, 1us/div)

 

 

Strip

Copper 

Vo(-)

Vo(+)

10u

1u

SCOPE

RESISTIVE

LOAD

 

 

Figure 13:

 Output voltage noise and ripple measurement test 

setup

 

 

 

 

 

 

Figure 14: 

Output voltage ripple at nominal input voltage and 

rated

 

load current

 

(Io=7A)(20 mV/div, 1us/div) 

Load capacitance: 1µF ceramic capacitor and 10µF tantalum 
capacitor. Bandwidth: 20 MHz. Scope measurements should be 
made using a BNC cable (length shorter than 20 inches). 
Position the load between 51 mm to 76 mm (2 inches to 3 
inches) from the module

 

 Figure 

15: 

Output voltage vs. load current showing typical 

current limit

 

curves and converter shutdown points

 

 

0 

0

0 

Содержание Delphi S48SP

Страница 1: ...D module available Short pin lengths Encapsulated case optional Delphi Series S48SP 35W 1x1 Brick DC DC Power Modules 48V in 5V 7A out The Delphi Series S48SP 1x1 Brick 48V input single output isolated DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electronics Inc This product family is available in a surface mount or through hole p...

Страница 2: ...alum 30 mV RMS Full Load 1µF ceramic 10µF tantalum 10 mV Operating Output Current Range 0 7 A Output DC Current Limit Inception Output Voltage 10 Low 110 140 DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V 10µF Tan 1µF Ceramic load cap 0 1A µs Positive Step Change in Output Current 50 Io max to 75 Io max 150 mV Negative Step Change in Output Current 75 Io max to 50 Io max 150 mV Settl...

Страница 3: ...ES 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 voltage at 25 C Figure 3 Typical full load input characteristics at room temperature ...

Страница 4: ...iv Figure 5 Turn on transient at zero load current 5 ms div Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input 2V div For Positive Remote On Off Logic Figure 6 Turn on transient at full rated load current 5 ms div Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input 2V div Figure 7 Turn on transient at zero load current 5 ms div Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input 2V di...

Страница 5: ... response to step change in load current 50 75 of Io max di dt 0 1A µs Load cap 10µF tantalum capacitor and 1µF ceramic capacitor Top Trace Vout 100mV div 50us div Bottom Trace Iout 2A div Scope measurement should be made using a BNC cable length shorter than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module Figure 10 Test set up diagram showing measurement po...

Страница 6: ...v Strip Copper Vo Vo 10u 1u SCOPE RESISTIVE LOAD Figure 13 Output voltage noise and ripple measurement test setup Figure 14 Output voltage ripple at nominal input voltage and rated load current Io 7A 20 mV div 1us div Load capacitance 1µF ceramic capacitor and 10µF tantalum capacitor Bandwidth 20 MHz Scope measurements should be made using a BNC cable length shorter than 20 inches Position the loa...

Страница 7: ...irements 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 SELV requirements all of the following must be met 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 If the metal baseplate is grounded one Vi pin and one...

Страница 8: ... off once it shutdown The latch is reset by either cycling the input power or by toggling the on off signal for one second Over Temperature Protection The over temperature protection consists of circuitry that provides protection from thermal damage If the temperature exceeds the over temperature threshold the module will shut down and enter in hiccup mode or latch mode which is optional For hiccu...

Страница 9: ...down Vo_adj 2 5 5110 5 0 Vo_adj 2050 Ex When Trim down 10 Vo_adj 5 0V 1 10 4 5V Rtrim_down 4 5 2 5 5110 5 0 4 5 2050 Rtrim_down 1 839 10 4 ohm Vo Trim Vo R Load R trim up Vi Vi ON OFF Vo Trim Vo R Load R trim up Vi Vi ON OFF Figure 18 Circuit configuration for trim up increase output voltage If the external resistor is connected between the TRIM and Vo the output voltage set point increases Fig 18...

Страница 10: ...space between the neighboring PWB and the top of the power module is constantly kept at 6 35mm 0 25 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches 12 7 0 5 MODULE AIR FLOW 50 8 2 0 FACING PWB PWB AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE Figure 19 Wind tunnel test setup Thermal Derating Heat can be removed by increasing airflow over the module To e...

Страница 11: ...DS_S48SP05007_05222008 11 PICK AND PLACE LOCATION SURFACE MOUNT TAPE REEL RECOMMENDED PAD LAYOUT SMD ...

Страница 12: ...40 2nd Ramp up temp 1 0 3 0 C sec Over 200 C 40 50sec Cooling down rate 3 C sec Note The temperature refers to the pin of S48SP measured on the pin Vout joint LEAD FREE SAC PROCESS RECOMMEND TEMP PROFILE Temp Time 150 200 100 140 sec Time Limited 90 sec above 217 217 Preheat time Ramp up max 3 sec Ramp down max 4 sec Peak Temp 240 245 25 Note The temperature refers to the pin of S48SP measured on ...

Страница 13: ...unt module Through Hole module Pin No Name Function 1 2 3 4 5 6 Vin Vin ON OFF Optional Vout TRIM Optional Vout Positive input voltage Negative input voltage Remote ON OFF Optional Negative output voltage Output voltage trim Optional Positive output voltage ...

Страница 14: ...r to part numbering system above or contact Delta local sales 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 delta es tw Asia the rest of world Telephone 886 3 4526107 x6220 Fax 886 3 4513485 Email DCDC delta com tw WARRANTY Delta offers a two 2 ye...

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