With the trend of miniaturization for the end-use devices growing, smaller, lighter, and ease of use require a higher level of integration technology. However, how to achieve the balance among size, cost, reliability, performance, design cycle, ease of use and personalization for the electric products has always puzzled engineers.

MORNSUN new generation AC/DC converter LS-R3 series, which features miniature and high efficient is the excellent module to meet the conflicting requirements all in one. By adopting flexible peripheral circuits, LS-R3 series is the first-of-its-kind cost-effective solution for a wide range of applications.

Flexible Design for a Wide Range of Applications

Flexible peripheral designs for a Wide Range of applications
6+ Applications
  • IoT

  • Electric
    power

  • White
    household
    appliances

  • Instrument

  • Intelligent
    building

  • Industrial control

4 Temperature levels
  • Class I    -5 to 45℃
  • Class II    -25 to 55℃
  • Class Ⅲ    -40 to 70℃
  • Class Ⅳ    -40 to 85℃
Optional EMC levels
EMS(EFT&SURGE)
  • EFT: ±2KV
    Surge: line to line ±1KV
  • EFT: ±4KV
    Surge: line to line ±2KV
EMI
  • Class A
  • Class B
And more...

By integrating circuits into MORNSUN self-designed IC, LS-R3 modules are capable to simplify complex power design with flexible peripheral circuits. While saving cost from design to maintenance, it also increases performance, productivity with excellent compatibility, and shorten the time to market.

Recommended
peripheral
designs
Typical
application
Environmental
condition
Operating
temperature
EMI EMS (EFT&SURGE) Special
requirement
Electrolytic capacitor
+differential mode
inductor+class-X
capacitor+ resistor
Smart home/
Home appliances
Indoor civil
environment
-25 to +55℃ CLASS B EFT: ±2KV
Surge: line to line ±1KV
DIY with double
class-Y capacitors
Fire alarm system Indoor general
environment
-25 to +55℃ CLASS B EFT: ±2KV
Surge: line to line ±1KV
/
Electrolytic capacitor
+differential mode
inductor+varistor+
resistor
Electrolytic capacitor +differential
mode inductor+class-X
capacitor+ resistor+varistor
Production testing
equipment
Indoor industrial
environment
-25 to +55℃ CLASS A EFT: ±4KV
Surge: line to line ±2KV
/
Environmental
monitoring equipment
Automatic license
plate reader
Outdoor general
environment
-40 to +85℃ CLASS A EFT: ±4KV
Surge: line to line ±2KV
/
-40 to +85℃ CLASS A EFT: ±4KV
Surge: line to line ±2KV
/
Electrical power meter
EV charging box
Outdoor harsh
environment
-40 to +85℃ CLASS A EFT: ±4KV
Surge: line to line ±2KV
/
-40 to +85℃ CLASS B EFT: ±4KV
Surge: line to line ±2KV
High EMC protection

* For more please refer to the datasheet.

Table 1: A portion of recommended peripheral designs

Competitive Advantages

LS-R3 with peripheral circuit
  • Smaller: 52*26*15mm

  • Simplify design, ease of use

  • Less cost from design to maintenance

  • Flexible peripheral design for
    a wide range of applications

  • 85-305VAC, 80%, 0.1W, 80mV

  • Less layout space
  • Flexible design
  • Controllable cost
  • Widely used
  • Reliable performance

    Input voltage/
    Efficiency/
    No-load power
    consumption/
    Ripple & Noise

Discrete design
Discrete design
  • Large: 51.5*31.5*15mm
  • Inefficient material control or over-design
  • Complex design easily causes higher cost
  • Limited use, meets common function Only
  • 85-265VAC, 71%, 0.25W, 100mV
Competitive in Multiple Dimensions

Features

AC/DC Converter
LS-R3 Series

Ultra-compact size: 26.4 x 14.73 x 11mm (5W)

Ultra-wide input: 85-305VAC

Operating temperature range: -40℃ to +85℃

No-load power consumption as low as 0.1W

High power density, high reliability

IEC/EN/UL62368 approval

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