【40W DC-DC Converter (MJWI40)】from MINMAX TECHNOLOGY

FEATURES

Smallest Encapsulated 40W Converter
Ultra-compact 1"×1" Package
Ultra-high Power Density 93W/in³
Excellent Efficiency up to 93%
Ultra-wide 4:1 Input Voltage Range
Fully Regulated Output Voltage
I/O Isolation 1500 VDC
Operating Ambient Temp. Range -40℃ to +85℃
No Min. Load Requirement
Very Low No Load Power Consumption
Under-voltage, Overload/Temperature and Short Circuit Protection
Remote On/Off Control, Output Voltage Trim
Shielded Metal Case with Insulated Baseplate
UL/cUL/IEC/EN 62368-1 Safety Approval & CE Marking

OVERVIEW

40W DC-DC Converter: MJWI40 Series

The MJWI40 series is a high-performance 40W DC-DC converter designed for modern applications that demand exceptional power density and compact integration. As the smallest 40W DC-DC converter available in a 1x1 DC-DC converter form factor, this series delivers a breakthrough in space-saving design without compromising performance or reliability. With an ultra compact DC-DC converter footprint and high power density DC-DC converter architecture—up to 93W/in³—it is engineered for systems where board space is at a premium.

Featuring a 4:1 input voltage range, fully regulated outputs, and conversion efficiency up to 93%, the MJWI40 ultra compact DC-DC converter meets the needs of demanding industrial and embedded systems. It also provides reinforced I/O isolation at 1500VDC, supports operation from -40°C to +85°C, and eliminates the need for minimum load conditions.

This 1x1 DC-DC converter series includes low no-load power consumption, comprehensive protections (under-voltage, overload, over-temperature, and short-circuit), and advanced control features such as remote On/Off and output voltage trimming. For applications requiring enhanced heat management, an optional heatsink accessory is available, ensuring the high power density DC-DC converter maintains stable performance in thermally challenging environments.

Encapsulated in a shielded metal case with an insulated baseplate, the MJWI40 40W DC-DC converter complies with global safety certifications including UL/cUL/IEC/EN 62368-1 and CE marking, providing peace of mind in mission-critical deployments.

From communication infrastructure and server power systems to EV chargers and embedded controllers, the MJWI40 ultra compact DC-DC converter offers a reliable, efficient, and space-optimized power solution. It is the ideal 40W DC-DC converter for engineers and system designers seeking a compact, durable, and high-efficiency module to meet evolving application demands.

Specifications

Output Voltage Accuracy		±1.0% max.
Line Regulation		±0.2% max.
Load Regulation		±0.3 max.
Ripple & Noise (0-20 MHz Bandwidth)	5Vo	75mVp-p typ.
	12Vo, 15Vo, ±12Vo, ±15Vo	100mVp-p typ.
	24Vo	150mVp-p typ.
	48Vo, 54Vo	280mVp-p typ.
Efficiency		Up to 93%
I/O Isolation Voltage		1500VDC min.
I/O Isolation Capacitance		1500pF typ.
Operating Ambient Temp. Range		-40℃ to +85℃ (See Derating Curve)
Short Circuit Protection		Continuous (Auto. Recovery)
Output Voltage Trim		±10% max.
Remote ON/OFF		Enable High
Case Material		Metal With Non-Conductive Baseplate
Safety Approval		UL/cUL 62368-1 recognition(UL certificate), IEC/EN 62368-1(CB-report)