1/9
ACST4 Series
®
January 2003 - Ed: 3A
AC POWER SWITCH
DPAK
ACST4-7SB/CB
n Blocking voltage : V
DRM
/V
RRM
= +/-700V
n Avalanche controlled : V
CL
typ = 1100 V
n Nominal conducting current : I
T(RMS)
=4A
n High surge current capability: 30A for 20ms full
wave
n Gate triggering current : I
GT
< 10 mA or 25mA
n Switch integrated driver
n High noise immunity : static dV/dt >500V/µs
FEATURES
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.
DESCRIPTION
OUT
COM
G
n Enables equipment to meet IEC 61000-4-5
n High off-state reliability with planar technology
n No external overvoltage protection needed
n Reduces the power component factor
n Interfaces directly with the microcontroller
n Direct interface with the microcontroller for the
ACST4-7S (I
GT
< 10mA)
BENEFITS
OUT
COM G
FUNCTIONAL DIAGRAM
ASD™
AC Switch Family
TO-220FPAB
ACST4-7SFP/CFP
OUT
COM
G
n AC static switching in appliance control systems
n Drive of low power high inductive or resistive
loads like
- spray pump in dishwashers
- fan in air-conditioners
MAIN APPLICATIONS