Recom R-78AA3.3-1.0SMD Handleiding

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REV.: 5/2019I-1

Features

Switching

Regulator

R-78AA-1.0

Description

The R-78AAxx-1.0SMD series are adjustable output non-isolated buck converters that meet the

requirements for RoHS 10/10 as well as the reflow soldering temperatures associated with va-

por phase soldering, making these high efficiency switching regulators ideally suited to modern

pick-and-place mass production. The efficiency of up to 97% means that very little energy

is wasted as heat. The additional features of remote on/off control, continuous short circuit protection

and adjustable output voltages will find many uses in the battery-powered, industrial, medical and

automotive markets.

DC/DC Converter

1.0 Amp

SMD

Single Output

EN60950-1 certified

IEC60950-1 certified

• Efficiency up to 94%, no need for heatsinks

• High reflow temperature SMD package

• Adjustable output voltage buck converter

• Short circuit protection, thermal shutdown

• Remote on/off control

• Very low shutdown current

Selection Guide

Part Input Output Vout Output Efficiency

Number Voltage Range Voltage Adjust Range Current @ min Vin @ max. Vin

[VDC] [VDC] [VDC] [A] [%] [%]

R-78AA1.5-1.0SMD 4.75 - 18 1.5 fixed 1.0 77 73

R-78AA1.8-1.0SMD 4.75 - 18 1.8 1.5 - 3.0 1.0 82 76

R-78AA2.5-1.0SMD 4.75 - 18 2.5 1.5 - 3.0 1.0 87 81

R-78AA3.3-1.0SMD 4.75 - 18 3.3 3.0 - 5.5 1.0 90 84

R-78AA5.0-1.0SMD 6.5 - 18 5.0 3.0 - 5.5 1.0 94 89

Model Numbering

Notes:

Note2: add suffix -R for tape & reel packaging

Ordering Examples:

R-78AA5.0-1.0SMD-R = 5.0VDC Output Volage, 1.0A, SMD, tape and reel packaging

R-78AA2.5-1.0SMD = 2.5VDC Output Volage, 1.0A, SMD, tube

nom. Output Voltage

Output Current

Packaging

(2)

Package

R-78AA__-1.0SMD-_

Notes:

Note1: Input voltage ranges valid for nominal output voltages

Vin must be higher than Vout including adjust range and dropout voltage

Product specificaties