HiLink DCDC Converter URB4812LMD 40WR3 Step Down 40W 48V to 12V 3333mA Output Switching Power Supply Module for street light

UR(A)B_LMD-40WR3 series products have 40W output power, 4:1 wide voltage input range, 91% efficiency, 1500VDC conventional isolation voltage, allowable operating temperature -40℃ to +85℃, with input undervoltage protection, output overvoltage, overcurrent, short circuit protection, barebones meet CISPR32/EN55032CLASSA. Widely used in medical, industrial control, electric power, instrumentation, communication, railroad and other fields.Product Features●Extra wide range input (4:1), 40W output●Conversion efficiency 91%(Typ)●Isolation voltage 1500Vdc●Ultra-low standby power consumption:0.036W(Typ)●Ultra fast start-up:1ms(Typ)●Operating temperature range:-40°C~+85°C●Input undervoltage protection, output short circuit, overcurrent, overvoltage protection●Metal case, low output ripple●International standard pinout, direct PCB mounting

Temperature characteristic curve

Package size and pin function diagram

Single(S)

1

2

3

4

5

6

7

CTRL

-Vin

+Vin

NP

+Vo

-Vo

Trim

remote

control

Input -

Input +

empty leg

Output +

Output

Voltage

regulator

Dual(D)

CTRL

-Vin

+Vin

+Vo1

COM

-Vo2

Trim

remote

control

Input -

Input +

Output +1

public

Output -2

Voltage

regulator

*Note: If the definition of each pin of the power supply module does not match the selection manual, the labeling on the physical label shall prevail.

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