ATMD50 SERIES


50W DC-DC Converter 


  • Wide input voltage range (2:1 or 4:1) 
  • Typical transfer efficiency 85% 
  • Switching frequency: 300KHz  
  • Over current/Short circuit protection, Self-recovery 
  • Input-output isolated  
  • PCB mounting 
  • Metal case, Low output ripple 

Specifications

 

 

3 Year Warranty

 

Approvals:  

 

 Typical Product List 

Part No. 

Input voltage range 

Output voltage/ current 

Input Current  Nominal 

Voltage (typ.) 

Max. 

Capacitive 

Load 

Efficiency 

(Typ.) 

Voltage(Vdc) 

Current(mA) 

Full load (mA) 

μF 

ATMD50-12S05K1 

12  

 (9~18) 

10000 

5209 

4700 

80 

ATMD50-12S12K1 

12 

4166 

4902 

1500 

85 

ATMD50-12S15K1 

15 

3300 

4902 

1000 

85 

ATMD50-12S24K1 

24 

2083 

4902 

680 

85 

ATMD50-24S05K1 

24 

 (18~36) 

10000 

2541 

4700 

82 

ATMD50-24S12K1 

12 

4166 

2451 

1500 

85 

ATMD50-24S24K1 

24 

2083 

2423 

680 

86 

ATMD50-48S05K1 

48 

 (36~72) 

10000 

1240 

4700 

84 

ATMD50-48S12K1 

12 

4166 

1225 

1500 

85 

ATMD50-48S24K1 

24 

2083 

1198 

680 

87 

ATMD50-110S05K1 

110 

 (72~144) 

10000 

5412 

4700 

84 

ATMD50-110S12K1 

12 

4166 

535 

1500 

85 

ATMD50-110S24K1 

24 

2083 

523 

680 

87 

Note: due to space limitations, above is only a part of our product list, please contact our sales team for more items. 

Test Condition: Unless otherwise specified, data in the datasheet should be tested under the conditions of inputting nominal voltage, pure resistance rated load and Ta=25 

 

Product Named Method 

 

 

 Input Specifications 

Min(v) 

Nom(v) 

Max(v) 

Notes 

Input Voltage Vdc 

12 

18 

2:1 

18 

24 

36 

2:1 

36 

48 

72 

2:1 

72 

110 

144 

2:1 

Remote Control 

(Low level ) 

ON 

High level or Suspended-operating 

3.5Vdc ~ +Vin 

OFF 

Low level or connect to ground- Switch off 

0.3Vdc 

Input Under Voltage Protection  

Lower than the low-end of input voltage, output switch off, Self-recovery 

 

Output Specifications 

Output Voltage Accuracy 

 

Vo1 

±1.0%(typ.) 

Line Regulation 

Nominal Load, full voltage range 

Vo1 

±0.2% 

Load Regulation 

20% ~ 100% nominal load 

Vo1 

±0.5% 

Ripple & Noise 

20MHz BM Full Load Vo5.0V, 50mVp-p; Vo48V, 180mVp-p;  

Other, 100mVp-p 

Dynamic Response 

25% Nominal load step change 

Vo1/

±4.0/500μ s% 

Output Voltage Adjustment 

Nominal output voltage 

TRIM 

±10%  Adjustable 

Turn-on Delay Time 

Typical value 

 

200mS 

 

General Specifications 

Switching Frequency 

 

300KHz (Typical) 

(Max.) 330KHz 

Operating Temperature 

Free air convection 

 

-25 ~ +55 

Storage Temperature 

 

 

-40 ~ +105 

Max Case Temperature 

 

 

+100 

Relative Humidity 

 

 

10%~90% 

Case Material 

Metal case 

Isolation Voltage 

Input-output 1500 Vdc  0.5mA/1min; 

Input-case 500Vdc  0.5mA / 1min 

Meantime Between Failures 

2X105Hrs 

 

Temperature Curve 

 

 

 Packing Dimension 

 Pin Function

Single(S) 

CASE 

+Vin 

-Vin 

REM 

+Vout 

GND 

+S 

TRIM 

-S 

* Note: If the definition of pin is not in accordance with the model selection manual, please refer to the label on actual item. 

 Packing Dimension 

Packing Code 

L x W x H  

K1 

81.50 × 55.50 × 15.00mm 

3.209 × 2.185 × 0.590inch 

 

Test Application Reference 

1.Recommended test circuit 

2. Ripple & Noise Test:(twisted pair method, 20MHZ bandwidth)

Test Method:

(1)12# twisted pair to connect, Oscilloscope bandwidth set as 20MHz, 100M bandwidth probe, terminated with 0.1uF polypropylene capacitor and 47uF high frequency low resistance electrolytic capacitor in parallel, oscilloscope set as Sample pattern.

(2) Input terminal connect to power supply, output terminal connect to electronic load through jig plate, Use 30cm±2 cm sampling line, Power line selected from corresponding diameter wire with insulation according to the flow of output current

 

ATMD50 - MEPOS ELECTRONICS
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