Recom R-78AA9.0-0.5SMD Handleiding

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REV.: 5/2019I-1

Features

Switching

Regulator

• Efficiency up to 95%, no need for heatsinks

• High reflow temperature SMD package

• Adjustable output voltage buck converter

• Wide input range (4.74V - 32V)

• Short circuit protection, thermal shutdown

• Remote on/off control

• Very low shutdown current

• Positive to negative converter

R-78AA-0.5

Description

The R-78AAxx-0.5SMD 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

vapor 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

0.5 Amp

SMD

Single Output

EN60950-1 certified

IEC60950-1 certified

Selection Guide

Part Input Output Vout Output Efficiency

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

[VDC]

(1)

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

R-78AA1.5-0.5SMD 4.75 - 30 1.5 fixed 0.5 73 63

R-78AA1.8-0.5SMD 4.75 - 32 1.8 1.5 - 3.0 0.5 82 71

R-78AA2.5-0.5SMD 4.75 - 32 2.5 1.5 - 3.0 0.5 87 77

R-78AA3.3-0.5SMD 4.75 - 32 3.3 3.0 - 5.5 0.5 91 81

R-78AA5.0-0.5SMD 6.5 - 32 5.0 3.0 - 8.0 0.5 94 86

R-78AA6.5-0.5SMD 8.0 - 32 6.5 3.3 - 11.0 0.5 95 88

R-78AA9.0-0.5SMD 11 - 32 9.0 4.5 - 12.6 0.5 96 92

R-78AA12-0.5SMD 15 - 32 12 4.5 - 12.6 0.5 97 94

R-78AA15-0.5SMD 18 - 32 15 fixed 0.5 97 95

Model Numbering

Notes:

Note2: add suffix -R for tape & reel packaging

Notes:

Note1: Input voltage ranges valid for nominal output voltages

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

Ordering Examples:

R-78AA5.0-0.5SMD-R = 5.0VDC Output Voltage, 0.5A, SMD, tape and reel packaging

R-78AA2.5-0.5SMD = 2.5VDC Output Voltage, 0.5A, SMD, tube

nom. Output Voltage

Output Current

Packaging

(2)

Package

R-78AA__-0.5SMD-_

Product specificaties