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January 15, 2024

48 Volt to 3.3 Volt 4 Amp converter PC board mount "brick"

 AV20-48s03 DC/DC converter brick +3.3 V 4A outputs AV20-48S03 DC converter brick on circuit board with screw terminals

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Dimensions and pin out of DC converter module
Pin Function
1 + Input
2 - Input
3 Control
4 no pin
5 + Output
6 - Output
7 Trim
Price  
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AV20-48S03-complete add_to_cart.gif
Detailed Specifications:    
Input Voltage 36 – 75 Volts
Output Voltage 3.3V 4A 13.2 Watts
     
Ripple/Noise   80 mV P–P Max
Line Regulation   ± 0.2 % max
Load Regulation   ± 0.5 % max
Efficiency   80% Typical
Input Surge   100V Max 100mS
Operating Temperature 40 to 65 C, derate up to 90°C  
Transient Response 5% of Vout maximum <200 microseconds  
Switching Frequency 280 kHz  
Short circuit protection Continuous, self recovering  
Mechanical    
Size 2.00 x 1.6 x 0.38 inches  
  50.8 x 40.6x 9.7 mm  
Pin diameter 0.04 ± .002 inches, 1mm  
Pin length 6.1 mm 0.2 ± .005 inches
Remote on/off Pin 3 connected to +48V turns the output ON <3V Off
>7V On
Isolation 500 Volts  
Weight 1.71 oz. 48 grams
MTBF >2.4 million hours Bellcore TR332. 25°C  
Agency Approvals UL60950, CSA22.2-60950 TUV/CE  
  Full PDF data sheet for AV20-48S03  
Link to circuit card gerbers that fit this module    
PDF files that have pictures of the gerbers


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