Datasheet > FAN3240

FAN3240

更新时间： 2022-06-07 02:36:42

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器继电器
页数	文件大小	规格书
19页	1916K
描述
The FAN324x family includes dual high-current relay drivers designed to drive dual-coil polarized latching...

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FAN3240 数据手册

March 2013

FAN3240 / FAN3241

Smart Dual-Coil Relay Drivers

Features

Description

8-V to 60-V Operation Range for use with 12-V,

24-V or 48-V Relays

The FAN324x family includes dual high-current relay

drivers designed to drive dual-coil polarized latching

relays that connect and disconnect power in smart

electronic meters and solar inverter applications.

Strong DC Current to Break through Welded

Contacts without using External Switches

Integrated Linear Regulator for Isolated or

Non-Isolated Meter Power Designs

The output of the FAN324x is rated for operation with

supply voltage range from 8 V to 60 V. The filter / timer

block prevents inadvertent switching from noisy input

signals by providing input-pulse qualification (t_QUAL) and

maximum output pulse width limit (t_MAX). The output can

operate in follow-input mode or maximum width mode.

These parameters are factory adjustable and additional

configurations are available. XOR input protection is

also provided so that both outputs are prevented from

being on at the same time. Under-Voltage Lockout

(UVLO) function disables the outputs until the supply

voltage is within the operating range.

Accurate Input Filter Time and XOR input protection

Accurate maximum output pulse width

Two output operating modes – follows input width

or maximum value

3.3-V or 5-V Square-Wave Logic Input Signals

Enable Pin for Operational Flexibility

Internal Thermal Shutdown Protection

Rated from –40°C to +105°C Ambient

The FAN324x has two separate driver channels with

non-inverting logic. One enable / disable pin allows

shutdown of both channels, independent of the input

signals. Internal thermal shutdown function is provided

for thermal protection. The FAN324x is available in an

Lead (Pb)-Free 8-lead SOIC package.

Applications

Smart E-Meters, Energy Generation & Distribution,

Building and Home Control, Industrial dual-coil

relay Driving Applications

Product

FAN3240

FAN3241

t_QUAL

15 ms

1 ms

t_MAX

OUT Mode

_OUT= t_IN

150 ms

30 ms

t_OUT= t_MAX

Figure 1. Typical Application Diagram

FAN3240 / FAN3241 • Rev. 1.0.1

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