background image

DS_S48SA1R812_06012006 

14 

PART NUMBERING SYSTEM 

S 48  S 

1R8  12  N 

A* 

Form 

Factor 

Input 

Voltage 

Number of 

Outputs 

Product 

Series 

Output 

Voltage 

Output 

Current

ON/OFF

Logic 

Pin Type

 

Option 

Code 

S- Small 

Power 

48V 

S- Single 

A- Advanced  1R2-1.2V 

1R5-1.5V 
1R8-1.8V 
2R5-2.5V 
3R3- 3.3V 
050- 5.0V 
120- 12V 

03- 3.0V 
06- 6.6A 
10- 10A 
12- 12A 

N- Negative

P- Positive

R- SMD 
T-Through 
hole 

F- RoHS 6/6 
(Lead Free) 

A-  9 pin, no sense 
B-  6 pin, no sense 
C-  9 pins with sense
(12V has option B 
only) 

 

Option code A includes 9 pins. Pins 4, 5, and 9 have

 

no connection

.

 

 

Option code B excludes pin 4, 5

,

 

and 9 (total 6 pins). 

Option code C features 9 pins with sense function.  

 

MODEL LIST 

MODEL NAME 

INPUT 

OUTPUT 

EFF @ 100% LOAD 

S48SA1R212NRFA 36V~75V 

0.85A 

1.2V 12A 

84.0% 

S48SA1R512NRFA 36V~75V 

0.85A 

1.5V 12A 

88.0% 

S48SA1R812NRFA 36V~75V 

0.85A 

1.8V 12A 

88.0% 

S48SA2R510NRFA 36V~75V 

1.3A 2.5V 10A 

88.5% 

S48SA3R310NRFA 36V~75V 

1.3A 3.3V 10A 

90.5% 

S48SA05006NRFA 36V~75V 

1.3A 

5.0V 6.6A 

90.5% 

S48SA12003NRFB 36V~75V 

1.3A 12V 3.0A 

90.0% 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
CONTACT: 

www.delta.com.tw/dcdc

USA:  

Telephone:

 

East Coast: (888) 335 8201 
West Coast: (888) 335 8208 
Fax: (978) 656 3964 
Email: 

[email protected]

 

 

Europe: 

Phone: +41 31 998 53 11 
Fax: +41 31 998 53 53 
Email: 

[email protected]

 

Asia & the rest of world: 

Telephone: +886 3 4526107 ext 6220 
Fax: +886 3 4513485 
Email: 

[email protected]

 

 

 
WARRANTY  

Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available 
upon request from Delta. 
 
Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta 
for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license 
is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise 
these specifications at any time, without notice. 

 

13 

Summary of Contents for 33W Family

Page 1: ...as extremely high reliability under highly stressful operating conditions All models are protected from abnormal input output voltage and current conditions APPLICATIONS Telecom DataCom Wireless Netw...

Page 2: ...and Noise 5Hz to 20MHz bandwidth Peak to Peak Full Load 1 F ceramic 10 F tantalum 30 75 mV RMS Full Load 1 F ceramic 10 F tantalum 5 20 mV Operating Output Current Range 0 12 A Output DC Current Limi...

Page 3: ...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 0 0 0 1 0 2 0 3 0 4 0...

Page 4: ...ceramic capacitor Top Trace Vout 50mV div Bottom Trace Iout 5A div Figure 7 Output voltage response to step change in load current 75 50 of Io max di dt 0 1A s Load cap 10 F 100 m ESR tantalum capacit...

Page 5: ...urement 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 0 0 0 3 0 6 0 9 1 2 1 5 1 8 2 1 0 0 2 0 4 0 6 0 8 0...

Page 6: ...elta s DC DC power modules are designed to operate in a wide variety of systems and applications For design assistance with EMC compliance and related PWB layout issues please contact Delta s technica...

Page 7: ...will automatically shut down hiccup mode The modules will try to restart after shutdown If the overload condition still exists the module will shut down again This restart trial will continue until th...

Page 8: ...n if this feature is not used Figure 15 Circuit configuration for trim down decrease output the external resistor is connected between the TRIM voltage If and Vo pins the output voltage set point decr...

Page 9: ...n the neighboring PWB and the top of the power module or a heat sink is 6 35mm 0 25 Thermal Derating Heat can be removed by increasing airflow over the module Figure 18 and 19 show maximum output is a...

Page 10: ...DS_S48SA1R812_06012006 10 PICK AND PLACE LOCATION SURFACE MOUNT TAPE REEL RECOMMENDED PAD LAYOUT SMD...

Page 11: ...the pin Vout joint 11 LEADED Sn Pb PROCESS RECOMMEND TEMP PROFILE Time sec Pre heat temp 140 180 C 60 120 sec Peak temp 210 230 C 5sec Ramp up temp 0 5 3 0 C sec Temperature C 50 100 150 200 250 300...

Page 12: ...ut Positive output voltage 2 Vout Negative output voltage 6 Trim Output voltage trim 8 ON OFF ON OFF logic 11 Vin Negative input voltage 12 Vin Positive input voltage Optional Pin Name Function 4 Sens...

Page 13: ...FA 36V 75V 1 3A 2 5V 10A 88 5 S48SA3R310NRFA 36V 75V 1 3A 3 3V 10A 90 5 S48SA05006NRFA 36V 75V 1 3A 5 0V 6 6A 90 5 S48SA12003NRFB 36V 75V 1 3A 12V 3 0A 90 0 CONTACT www delta com tw dcdc USA Telephone...

Reviews: