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R-78E3.3-1.0

R-78E3.3-1.0

RECOM
Same compact R-78 series form factor with a higher 1.0 A output capability for designs that need more current headroom.
Active4,016 in stock
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Overview

The RECOM R-78E3.3-1.0 is a compact, high-efficiency switching regulator module designed to replace inefficient linear regulators. It provides a stable 3.3V output at up to 1A, making it suitable for applications requiring higher current than standard R-78E series parts. Its compact SIP3 package and high efficiency simplify power conversion designs.

Why Choose This Part

This switching regulator offers high efficiency up to 91%, significantly reducing power loss and heat generation compared to traditional linear regulators. Its compact 3-SIP Module form factor (11.6mm x 8.5mm x 10.4mm) allows for space-saving designs. With a 1A output current capability and short circuit protection, it provides robust and reliable 3.3V power.

Applications

Industrial Control Systems
Providing regulated 3.3V power to microcontrollers, sensors, and communication modules in industrial environments where efficiency and space are critical.
Distributed Power Architectures
Efficiently generating local 3.3V rails from higher DC bus voltages, reducing heat generation compared to linear regulators.
Battery-Powered Devices
Extending battery life in portable electronics by converting battery voltage to 3.3V with 91% efficiency, minimizing power loss.
Embedded Systems
Powering various components such as FPGAs, DSPs, and communication ICs that require a precise 3.3V supply.
Test and Measurement Equipment
Supplying stable 3.3V to internal circuitry in test equipment where reliable power is essential for accurate measurements.

Key Specifications

Type Linear Regulator Replacement
Features SCP
Efficiency 91%
Applications ITE (Commercial)
Mounting Type Through Hole
Power (Watts) 3 W
Package / Case 3-SIP Module
Size / Dimension 0.46" L x 0.33" W x 0.41" H (11.6mm x 8.5mm x 10.4mm)
Number of Outputs 1
Voltage - Output 1 3.3V
Operating Temperature -40degC ~ 85degC
Voltage - Input (Max) 28V
Voltage - Input (Min) 7V
Current - Output (Max) 1A

Getting Started

To get started, integrate the R-78E3.3-1.0 into your PCB layout by connecting the input voltage (7V to 28V) to Vin, the output to your 3.3V rail, and the ground pin. Ensure proper input and output bypassing capacitors are used as recommended in the datasheet for optimal performance. No specific development boards or toolchains are required as it is a standalone power module.

Also Consider

R-78E5.0-0.5 RECOM Power - For applications requiring a 5V output at up to 0.5A from the same R-78E series, offering similar efficiency and package.
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