ACST4-7CB(2003) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ACST4-7CB Datasheet PDF : 9 Pages
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®
ASD™
AC Switch Family
ACST4 Series
AC POWER SWITCH
MAIN APPLICATIONS
s AC static switching in appliance control systems
s Drive of low power high inductive or resistive
loads like
- spray pump in dishwashers
- fan in air-conditioners
FEATURES
s Blocking voltage : VDRM / VRRM = +/-700V
s Avalanche controlled : VCL typ = 1100 V
s Nominal conducting current : IT(RMS) = 4A
s High surge current capability: 30A for 20ms full
wave
s Gate triggering current : IGT < 10 mA or 25mA
s Switch integrated driver
s High noise immunity : static dV/dt >500V/µs
BENEFITS
s Enables equipment to meet IEC 61000-4-5
s High off-state reliability with planar technology
s No external overvoltage protection needed
s Reduces the power component factor
s Interfaces directly with the microcontroller
s Direct interface with the microcontroller for the
ACST4-7S (IGT < 10mA)
DESCRIPTION
The ACST4 belongs to the AC power switch family
built around the ASD™ technology. This high per-
formance 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 induc-
tive turn-off energy and withstand line transients
such as those described in the IEC61000-4-5 stan-
dards.
OUT
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DPAK
ACST4-7SB/CB
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TO-220FPAB
ACST4-7SFP/CFP
FUNCTIONAL DIAGRAM
OUT
January 2003 - Ed: 3A
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