ACST4_07 datasheet(1/13 Pages) STMICROELECTRONICS

部件名	ACST4

功能描述	AC power switch

PDF	13 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 13 page

July 2007

Rev 4

1/13

ACST4

AC power switch

Main applications

■ AC static switching in appliance control

systems

■ Drive of low power high inductive or resistive

loads like

– spray pump in dishwashers

– an in air-conditioners

Features

■ Blocking voltage: VDRM /VRRM =

±700 V

■ Avalanche controlled: VCL typ = 1100 V

■ Nominal conducting current : IT(RMS) = 4 A

■ High surge current capability: 30 A for 20 ms

full wave

■ Gate triggering current: IGT < 10 mA or 25 mA

■ Switch integrated driver

■ High noise immunity: static dV/dt > 500 V/µs

Benefits

■ Enables equipment to meet IEC 61000-4-5

■ High off-state reliability with planar technology

■ No external overvoltage protection needed

■ Reduces the power component factor

■ Interfaces directly with the microcontroller

■ Direct interface with the microcontroller for the

ACST4-7S (I

GT < 10 mA)

Description

The ACST4 belongs to the AC power switch

family built around the ASD™ technology. This

high performance device is adapted to home

appliances or inductrial systems and drives loads

up to 4 A.

The ACS™ switch embeds a Triac structure with a

high voltage clamping device to absorb the

inductive turn-off energy and withstand line

transients such as those described in the

IEC 61000-4-5 standards.

Figure 1.

Functional diagram

TM: ASD and ACS are trademarks of STMicroelectronics.

OUT

COM

G

DPAK

ACST4-7SB/CB

TO-220FPAB

ACST4-7SFP/CFP

OUT

COM

G

OUT

COM

G

IPAK

ACST4-7SH/CH

OUT

COM

G

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