URB24_YMD-20WR3 URB2424YMD-20WR3 --EngrWorld

10. It is sealed with high quality environmental protection waterproof and thermal conductive glue, moisture proof and vibration proof, and meets the requirements of waterproof and dust proof IP65.

11. High reliability, long life design, long continuous working time

Enviroment Condition

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

Input Characteristics

Project name	Working conditions	Unit	Notes
Related input voltage	24	Vdc
Input voltage range	9-36	Vdc
Maximum input current	≤2.3	A
Reflection ripple current	40	mA	DC12V rated input voltage series
Impulse voltage	≤50	Vdc
Starting voltage	9	Vdc
Input undervoltage protection	---	Vdc
Start-up delay	1	ms	Rated input voltage and constant resistance load
Input filter type		PI version
Hot plugged		Non-support

Output Characteristics(15V/1333mA)

Project name	Technical requirement	Unit	Notes
No load rated output voltage	15V±2%	Vdc
Short-time maximum output current	≥1433	mA
Rated output current	1333	mA
Voltage regulation	±0.5	%
Load regulation	±1	%
Transfer efficiency	Vin=24Vdc, output full load 90	%
Output ripple and noise (mVp-p)	≤100 Pure resistance load, 20MHz bandwidth, peak to peak value	mV
Output over-current protection	the maximum load 110-200%	Vdc
Insulation voltage	Input- output, test in 1 minute, leakage current less than 1mA/1500V	-
Insulation resisitance	Input- output, insulation volaltge 500VDC/1000MΩ	MΩ
Isolation capacitance	Input- output, 100KHz/0.1V 1000pF	-

Note:

(1) For product model with output voltage ±5VDC or ±9VDC , the maximum output voltage accuracy is ±5% under 0% - 5% load condition

(2) When tested according to the 0%-00% load working condition, the load adjustment rate is ±5%

(3) 0%-5% load ripple & noise less than or equal to 5% Vo. Ripple and noise test method, Twisted pair test method, can add capacitive load at the output to reduce light load ripple

Typical Application Circuits

EMC parameter recommendation

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

Notes：

* Fuses and varistors are basic parts of protection circuits (required).

* If the certification is required, the safety capacitor and common mode inductance cannot be omitted.

Output filtering

For usual requirements of ripple and noise, the peripheral recommendation is only C2;

For strict requirements of ripple and noise, the above circuit is recommended. Notes:

(1) C2, C3 use high frequency low resistance electrolytic capacitor, and the total capacity can not exceed the maximum capacitive load indicated in the manual, otherwise the module will not start normally. (2) When the capacitive load is used, the minimum load of 3% must be guaranteed, otherwise the module output will be abnormal.

Component No.	Function	Recommended value
LDM3/Common mode inductance	Adjust the output ripple voltage	Inductance: 0.47-4.7uH according to the debugging result
LDM4/Common mode inductance	Adjust the output ripple voltage	Inductance: 0.47-4.7uH according to the debugging result
C2,C3 Electrolytic capacitor	Ripple voltage filtering	68-220uF/50V
C4 Ceramic capacitors	Ripple voltage filtering	1uF/50V

Dimension and Weight

1	2	3	4	5	6
VIN-	VIN+	VO+	TRIM	GND	CTRL
Input negative	Input positive	Output positive	Voltage regulator	Output negative	Remote end

	类型	描述
	产品类型	DC-DC模块
	制造商	Shenzhen Hi-Link
	厂牌	Hi-Link
	封装/性能	DIP package
	功能类型	DC-DC Isolated Power Module
	转换效率	Typical 91%, full load efficiency 86%~91%
	输出电压精度	±1.0%~±3.0% (depends on output type)
	输出功率	20W
	静态电流（lq)	Typical 0.036W
	开关频率	Typical 250KHz
	纹波噪声	Full load 30~80mVp-p
	最大容性负载	470~10000μF
	工作温度	-40℃ ~ +85℃

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