URA1_LD-20WR3 URA1D_LD-20WR3 --EngrWorld

Project name	Qualification	Unit	Notes
Working enviroment temperature	-40—+85	℃
Storage temperture	-40—+80 ℃	℃
Relative humidity	5—95	%
Heat dissipation mode	natural cooling
Atmospheric pressure	80—106 Kpa	Kpa
Vibrate	Vibration coefficient 10~500Hz,2G10min./1cycle, 60min.each along X,Y,Z axes		Meet the requirements of secondary road transportation

Project name	Qualification	Unit	Notes
Working enviroment temperature	-40—+85	℃
Storage temperture	-40—+125 ℃	℃
Relative humidity	5—95	%
Heat dissipation mode	natural cooling
Atmospheric pressure	80—106 Kpa	Kpa
Vibrate	10-55Hz,10G,30Min.alongX,Yand Z		Meet the requirements of secondary road transportation

Items	Working conditions		Min.	Typ.	Max.	Unit
Input current( full load/ no load)	24V DC nominal input series, nominal input voltage	±5V/9V	-	968/25	992/35	mA
		±12V		926/1.5937/15	947/2
		±15V		926/1.5937/55	937/2
		±24V		936/2	957/2
	48V DC nominal input series, nominal input voltage	±5V/9V		484/1	496/1.5
		±12V		458/1	496/1.5
		±15V		458/1	496/1.5
		±24V		468/2	478/2
	110V DC nominal input series, nominal input voltage	±5V/9V		211/0.3	216/0.5
		±12V		202/0.3	206/0.5
		±15V		200/0.3	204/0.5
		±24V		200/0.3	204/0.5
Refelected Ripple	Nominal INput Series		-	40	-
Impulse voltage(Isec.max)	24VDC Niminal Input Series		-0.7	-	50
	48VDC Niminal Input Series		-0.7	-	100
	110VDC Niminal Input Series		-0.7	-	180
Starting voltage	24VDC Niminal Input Series		5.5	6.5	-
	48VDC Niminal Input Series		12	15.5	-
	110VDC Niminal Input Series		30	34	-
Start time	Nominal input voltage and constant resistance		-	1	-	m
Input filter type			PI Type
Hot plug					No support
Remote control terminal(Ctrl)	Module on				Ctrl floating or connected to TTL high level
	Module off				Ctrl is connected to GND or low level (0-1.2VDC)
	Input current at shutdown		-	0	1	mA
Note: Ctrl control pin voltage is relative to input pin GND

Project name	Working and testing condition	+Vo1			-Vo2
		Min.	Typ.	Max.	Min.	Typ.	Max.
Output load	load percentage	0%	-	100%	0%	-	100%
Output voltage accuracy		-	±1.0%	±2.0%	-	±2.0%	±3.0%
Linear adjustment rate	input voltage range	-	±0.2%	±0.5%	-	±1.5%	±2%
Load adjustment rate	20%-100% rated load, balanced load	-	±0.5%	±1.0%	-	±4.0%	±5.0%
Ripple & Noise	Pure resistive load,20MHz broadband, peak to peak, 5%-100% load	-	50mVp-p	80mVp-p	-	50mVp-p	80mVp-p
Start time delay		-	1ms	-	-	1ms	-
Input vlotage adjustment	input voltage range	-	-	±10%	-	no adjustment	-
Dynamic response step deviation	25% nominal load step	-	±3.0%	±5.0%	-	±3.0%	±5.0%
Dynamic response recovery time	25% nominal load step	-	300μs	500μs	-	300μs	500μs
Output overvoltage protection	full voltage input range	110%Vo	-	160%Vo
Output overcurrent protection	full voltage input range	110%lo	150%lo	200%lo
Output short circuit protection	full voltage input range			sustainable, self-recovery

Component No.	Function	Recommended value
Fuse	Protest the circuit from damage when the module is abnormal	Access the corresponding fuse accrding to customer needs
MOV/Varistor	Protest the circuit from damage when the module is abnormal	14D560K
LDM1/Common mode inductance	EMI Filtering	Inductance: 10mH
CO,C1 Ceramic capacitors	Filter capacitor	1uF/50V
E1,E2 Electrolytic capacitor	Filter capacitor	100uF/50V
LDM2/Differential mode inductance	EMI filtering	4.7-68uH
CY1/Y2 Capacitance		1nF/250vAC