Datasheet > ROF-78E3.3-0.5SMD-R

ROF-78E3.3-0.5SMD-R

更新时间： 2024-11-20 22:58:19

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
5页	1716K
描述
DC DC CONVERTER 3.3V 500MA

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数据手册

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ROF-78E3.3-0.5SMD-R 数据手册

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• Low proﬁle 4.5mm

• Low cost

Features

DC/DC Converter

• Wide input range (5V - 36V)

• Short circuit protection

• Castellated connections

Switching

Regulator

ROF-78E-0.5SMD

Description

0.5 Amp

Non Isolated

Power Module

The ROF-78E is a switching regulator with a wide input voltage range, high efﬁciency and a low proﬁle,

pin-less SMD package. Three low-ripple output voltages are available as standard: 3.3V, 5V or 12V with

500mA continuous output current rating over the full operating temperature range of -40°C to +75°C

without derating. An enable connection allows power sequencing or very low standby consumption

(3.5µA) for battery powered applications. These modules can be SMD reﬂow soldered. The connection

pads have corner half-vias to enable optical inspection of the joints after soldering.

Selection Guide

Part

Number

Input

Voltage Range

[VDC]

Output

Voltage

[VDC]

Output

Current

[mA]

Efﬁciency

typ.

[%]

ROF-78E3.3-0.5SMD-R

ROF-78E5.0-0.5SMD-R

ROF-78E12-0.5SMD-R

5 - 36

9 - 36

15 - 36

3.3

5.0

500

73 - 84

79 - 87

87 - 92

RoHS²

REACH

compliant

10 from 10

Model Numbering

ROF-78E__-__SMD-R

Packaging⁽¹⁾

Output Voltage

Output Current

Notes:

Note1: sufﬁx -R for tape&reel packaging (refer to “PACKAGING INFORMATION”

Ordering Examples:

ROF-78E3.3-0.5SMD-R = 3.3Vout, 0.5A Output Current, SMD, tape and reel packaging

Speciﬁcations (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)

BASIC CHARACTERISTICS

Parameter

Input Voltage Range

Input Current

Condition

nom. Vin= 12VDC and 24VDC

Min.

5VDC

Typ.

Max.

36VDC

500mA

5mA

Quiescent Current

Minimum Load ⁽²⁾

10%

Open or >1.75VDC

GND or <0.7VDC

DC-DC ON

max. Vin= 5VDC

ON/OFF CTRL

DC-DC OFF

3.5µA

6.5µA

Standby Current

DC-DC OFF

Internal Operating Frequency

Output Ripple and Noise

650kHz

20MHz BW

100mVp-p

continued on next page

www.recom-power.com

REV.: 5/2021

I-1

12 3 4 5

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