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  5. URA4812LD-20WR3 URA4805LD/URA4815LD/URA4824LD DCDC isolated power module with 48v to 3.3/5/9/15/24V dual output
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URA4812LD-20WR3 URA4805LD/URA4815LD/URA4824LD DCDC isolated power module with 48v to 3.3/5/9/15/24V dual output

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URAXX_LD-20WR3 Series Mode list 拷贝 2

Download files:

DC to DC power module:

1W: https://drive.google.com/drive/folders/1vk6luTBKSC5gfwLJC-DbyEZYVDwk87JV

2W: https://drive.google.com/drive/folders/1vjf-77LCVQl16Hcb1phADiU3Hz14mhYB

3W: https://drive.google.com/drive/folders/13pTx02uL4moskJ-PQsBYFytdq2pPt2mN

5W: https://drive.google.com/drive/folders/1okF0YdP1Xs35HxnAkTm45WOK0kH7qlb5?

6W: https://drive.google.com/drive/folders/18IOw7PyIx99lbm3u0FEhkepC82w601sw

10W: https://drive.google.com/drive/folders/1vuJp5ZoJA9Ci0M4wCS8nT689LVzgh2tC

12W: https://drive.google.com/drive/folders/1becUdxQODQ25_A_iarNnun3Vmi_wow1g

20W: https://drive.google.com/drive/folders/182aHyvoN8J0fCurg65jOkfQp17dyaXP6

30W: https://drive.google.com/drive/folders/1StP-0SJDyFpH3yQMLLQjkQXMDXc-RGeP

40W: https://drive.google.com/drive/folders/1IXRm7dueYYTNoyXCFp88wRQexmKAgCLm

B0505S-1WR2: https://drive.google.com/file/d/16BPrOWkzOz7efnf3OvF1XjClKGnO6znv/view

AC to DC power module:

40W: https://drive.google.com/drive/folders/1jI-hITgxjtByhSCpUMmrJATHO8b_gpN7

30W(C): https://drive.google.com/drive/folders/1Nz-_SdQAuVha0JM7nJTelIfophZsmUYb

20W: https://drive.google.com/drive/folders/1PlLOzt_k3Ky5THYGOWP72jqxWSkJsU6Z

15W(C): https://drive.google.com/drive/folders/1vnVfcgQH-OvujpO6asvQvjIgmwUS2Pti

10W: https://drive.google.com/drive/folders/1zaMfq4Dm3brmRWhTGp9-49c8hN5HsIuk

5W: https://drive.google.com/drive/folders/1_dzDfHi9HOnj_b0RJHCGZ9j87ma8PU7g

3W: https://drive.google.com/drive/folders/1xz8MPw9KeQXDlyAQoI3KXzjCoL4yBRVP

2W: https://drive.google.com/file/d/1_UaUPWX9K5Bfavle4C1imVY0-WjY4yso/view


Product Feature

1. Ultra wide range input (4:1), output 20W 

2. Conversion efficiency 91%(Typ) 

3. Isolation voltage: 1500VDC

4. Ultra low standby power consumption: 0.036W (typical)

5. Ultra fast start: 1mS (typical)

6. Operating temperature range :-40°C~+85°C 

7. Output protection: short circuit protection, over current protection, over voltage protection

8. Metal case, low output ripple

9. International standard pin, PCB board in-line installation

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 nameQualificationUnitNotes
Working enviroment temperature-40—+85
Storage temperture-40—+125 ℃
Relative humidity5—95%
Heat dissipation modenatural cooling

Atmospheric pressure80—106 KpaKpa
Vibrate10-55Hz,10G,30Min.alongX,Yand Z
Meet the requirements of secondary road transportation


Input Characteristics

ItemsWorking conditionsMin.Typ.Max.Unit
Input current( full load/ no load)
24V DC nominal input series, nominal input voltage±5V/9V-968/25992/35mA
±12V
926/1.5937/15947/2
±15V
926/1.5937/55937/2
±24V
936/2957/2
48V DC nominal input series, nominal input voltage±5V/9V
484/1496/1.5
±12V
458/1496/1.5
±15V
458/1496/1.5
±24V
468/2478/2
110V DC nominal input series, nominal input voltage±5V/9V
211/0.3216/0.5
±12V
202/0.3206/0.5
±15V
200/0.3204/0.5
±24V
200/0.3204/0.5
Refelected RippleNominal 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 voltage24VDC Niminal Input Series5.56.5-
48VDC Niminal Input Series1215.5-
110VDC Niminal Input Series3034-
Start timeNominal 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
-01mA
Note: Ctrl control pin voltage is relative to input pin GND



Output Characteristics

Project nameWorking and testing condition+Vo1-Vo2


Min.Typ.Max.Min.Typ.Max.
Output load load percentage0%-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 & NoisePure resistive load,20MHz broadband, peak to peak, 5%-100% load
-50mVp-p80mVp-p-50mVp-p80mVp-p
Start time delay

-1ms--1ms-
Input vlotage adjustmentinput 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

-300μs500μs-300μs500μs
Output overvoltage protection
full voltage input range110%Vo-160%Vo


Output overcurrent protectionfull voltage input range110%lo150%lo200%lo


Output short circuit protectionfull voltage input range

sustainable, self-recovery











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

imageimage

EMC parameter recommendation


Component No.FunctionRecommended value
FuseProtest the circuit from damage when the module is abnormalAccess the corresponding fuse accrding to customer needs
MOV/VaristorProtest the circuit from damage when the module is abnormal14D560K
LDM1/Common mode inductanceEMI FilteringInductance: 10mH
CO,C1 Ceramic capacitorsFilter capacitor1uF/50V
E1,E2 Electrolytic capacitorFilter capacitor100uF/50V
LDM2/Differential mode inductanceEMI filtering4.7-68uH
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

image

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.FunctionRecommended value
LDM3/Common mode inductanceAdjust the output ripple voltageInductance: 0.47-4.7uH according to the debugging result
LDM4/Common mode inductanceAdjust the output ripple voltageInductance: 0.47-4.7uH according to the debugging result
C2,C3 Electrolytic capacitorRipple voltage filtering68-220uF/50V
C4 Ceramic capacitorsRipple voltage filtering1uF/50V

Dimension and Weight

image


123456
VIN-VIN+VO+TRIMGNDCTRL
Input negativeInput positiveOutput positiveVoltage regulatorOutput negativeRemote end












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