ACST12-7CT

更新时间： 2024-01-04 16:48:14

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		开关电源开关
页数	文件大小	规格书
12页	181K
描述
Transient protected AC power switch

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数据手册

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ACST12-7CT 数据手册

ACST12

Transient protected AC power switch

Features

OUT

■ Triac with overvoltage crowbar technology

OUT

■ Low I_GT(<10 mA) or high immunity

(I_GT<35 mA) version

■ High noise immunity: static dV/dt > 2000 V/µs

OUT

COM

Benefits

D²PAK

ACST12-7xG

TO-220AB

ACST12-7xT

■ Enables equipment to meet IEC 61000-4-5

■ High off-state reliability with planar technology

■ Need no external over voltage protection

■ Reduces the power passive component count

Figure 1.

Functional diagram

■ High immunity against fast transients

OUT

described in IEC 61000-4-4 standards

Applications

■ AC mains static switching in appliance and

industrial control systems

■ Drive of medium power AC loads like:

– Universal drum motor of washing machine

– Compressor for fridge or air conditioner

COM

Table 1.

Symbol

I_T(RMS)

_DRM/V_RRM

I_GT

Device summary

Description

Value

Unit

The ACST12 series belongs to the ACS/ACST

family built with the ASD (application specific

discrete) technology. This high performance

device is adapted to home appliances or industrial

systems and drives loads up to 12 A.

700

10 or 35

This ACST12 switch embeds a TRIAC structure

and a high voltage clamping device able to absorb

the inductive turn-off energy and withstand line

transients such as those described in the IEC

61000-4-5 standards. The ACST12-7S needs a

low gate current to be activated (I_GT< 10 mA) and

in the mean time provides a high electrical noise

immunity such as those described in the IEC

61000-4-4 standards. The ACST12-7C offers an

extremely high static dV/dt immunity of 2 kV/µs

minimum.

December 2008

Rev 1

1/12

www.st.com

12 3 4 5 6 7...12

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