ACST10 查看數據表（PDF） - STMicroelectronics
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ACST10 Datasheet PDF : 12 Pages
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ACST10
Transient protected AC power switch
Features
■ Triac with overvoltage crowbar technology
■ Low IGT (<10 mA) or high immunity
(IGT<35 mA) version
■ High noise immunity: static dV/dt > 2000 V/µs
Benefits
■ 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
■ High immunity against fast transients
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
Description
The ACST10 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 10 A.
This ACST10 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 ACST10-7S needs
only low gate current to be activated
(IGT < 10 mA) and still shows a high noise
immunity complying with IEC standards such as
IEC 61000-4-4 (Fast transient burst test). The
ACST10-7C offers an extremely high static dV/dt
immunity of 2 kV/µs minimum.
OUT
G
OUT
COM
TO-220AB
ACST10-7xT
G
OUT
COM
TO-220FPAB
ACST10-7xFT
Figure 1. Functional diagram
OUT
G
COM
Table 1. Device summary
Symbol
Value
Unit
IT(RMS)
10
A
VDRM/VRRM
700
V
IGT
10 or 35
mA
December 2008
Rev 1
1/12
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