dcdc converter
[ Typical performance ]
  • ◆ Wide Input voltage range (2:1)
  • ◆ Typical Efficiency 87%
  • ◆ Switching frequency：300KHz ± 30 KHz
  • ◆ Over current/Short circuit protection,Self-furbish
  • ◆  Input-output isolate (500/1000/1500/2000Vdc)
  • ◆ PCB Board in-line type installs
  • ◆ Metal case, Low Output Ripple
[ Temperature graph ]
dcdc converter
Input Min Nom Max Notes
Input voltage 9 12 18 2:1
18 24 36 2:1
36 48 72 2:1
72 110 144 2:1
Remote(Positive logic control)   ON High level or vacant 3.5Vdc~+Vin
    OFF Low level or connect ground ≤0.3Vdc
Input undervoltage protection Lower than the low-input voltage protection ，Self-furbish
[ Output ]
Voltage accuracy Vo1,Vo2 ±1.0%, ±2.0%
Line regulation Nominal Load，full voltage range Vo1,Vo2 ±0.2%, ±1.5%
Load regulation 20% ~ 100% rated voltage Vo1,Vo2 ±0.5%, ±4.0%
Ripple and noise 20MHz BM (Full Load)  Vo≤5.0V, ≤50mVp-p;  Vo≥48V, ≤180mVp-p;  Other, ≤100mVp-p
Dynamic response 25% Nominal load step change (increase or reduce) △Vo1/△t ±4.0/500us%
Voltage adjust Nominal output TRIM ±10%(adjust)
Turn-on delay time Typical value ≤200mS
[ General ]
Efficiency Nominal input,Full load Vo≤5.0V,80%(Typical) Vo>5.0V，87%(Typical)
Switching frequency 300KHz (Typical) Max 330KHz
Operating temperature Free air Industrial level -25℃ ~ +55℃
Military level -40℃ ~ +85℃
Storage temperature Industrial level -40℃ ~ +105℃
Military level -55℃ ~ +120℃
Max case temperature Industrial level +100℃
Military level +110℃
Relative humidity 10%~90%
case material Metal case
Isolation Voltage 500/1000/1500/2000 Vdc ≤0.5mA/1min, 500Vdc ≤0.5mA/1min
MTBF 200000Hrs
[ Product Nomination Method ]
① Wide range voltage input: 2:1
② Power convert mode D (DC-DC)
③ Output Watt
④ Input voltage
⑤ S: Single output D: dual output
⑥ Output voltage
⑦ J : Indicate Military level, Non: Indicate Industrial level . G : Indicate input output no isolate . I : Indicate dual output isolate . W : Indicate wide range voltage input: 4:1
[ Typical product tabulates ]
Output voltage / current
  • VO1
  • VO2
  • VO3
  • V
  • mA
  • V
  • mA
  • V
  • mA
WD50-□S05

12 V（9~18V）
(Only for below 100W)

24V（18~36V）
48V（36~72V）
110V（72~144V）

 

 5V 10A
WD50-□S12 12V 4.2A
WD50-□S24 24V 2.1A
WD50-□D05 +5V 5A -5V 5A
WD50-□D12 +12V 2.1A -12V 2.1A
WD50-□D24 +24V 1.1A -24V 1.1A
WD75-□S05 5V 15A    
WD75-□S12 12V 6.25A    
WD75-□S24 24V 3.1A
WD75-□D05 +5V 7.5A -5V 7.5A
WD75-□D12 +12V 3.1A -12V 3.1A
WD75-□D24 +24V 1.55A -24V 1.55A
WD100-□S12 12V 8.3A    
WD100-□S15 15V 6.6A    
WD100-□S24 24V 4.2A    
WD150-□S12 12V 12.5A    
WD150-□S15 15V 10A    
WD150-□S24 24V 6.25A    
[ Mechanical Date ]
[ Mechanical Date ]
Package Code L x W x H  (unit)：mm Package No
M1 127.00 x 88.90 x 17.20 500350DC
[ Pin Assignments ]
Pin No 1 2 3:4 5:6 7:8 9:10 11:12 13 14 15
Single REM +Vin CASE +Vin +Vout GND NP +S TRIM -S
Dual REM +Vin CASE +Vin +Vout1 COM -Vout2 +S TRIM -S
*Note：The power modules such as the definition of the pin does not match with the data sheet ,please refer to the actual item.