ACST67S. ,OVER VOLTAGE PROTECTED AC POWER SWITCHFEATURESn V /V = +/- 700VDRM RRMn Avalanche controlled devicen I =1.5 A with no heat sink and T = 4 ..
ACST6-7SG ,OVER VOLTAGE PROTECTED AC POWER SWITCH®ACST6-7SOVER VOLTAGE PROTECTEDASD™AC POWER SWITCHAC Switch FamilyMAIN
ACST6-7ST ,OVER VOLTAGE PROTECTED AC POWER SWITCHFEATURESn V /V = +/- 700VDRM RRMn Avalanche controlled devicen I =1.5 A with no heat sink and T = 4 ..
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ACST67S-ACST67S.
OVER VOLTAGE PROTECTED AC POWER SWITCH
ACST6-7SOVER VOLTAGE PROTECTED
AC POWER SWITCH VDRM /VRRM= +/- 700V Avalanche controlled device IT(RMS)=1.5A withno heat sink and Tamb= 40°C IT(RMS)= 6A with TCASE= 105°C High noise immunity: static dV/dt> 200 V/μs Gate triggering current: IGT <10mA Snubberless turnoff commutation:
(dI/dt)c> 3.5A/ms D2 PAK,I2 PAK, TO-220FPABor TO-220
package
FEATURESThe ACST6-7Sx belongsto the AC power switch
family built around the ASD technology. This high
performance deviceis adaptedto home appliances industrial systems and drivesan induction motorto 6A.
This ACST switch embedsa triac structure witha
high voltage clamping deviceto absorb the inductive
turn-off energy and withstand line transients suchas
those describedin the IEC61000-4-5 standards.
DESCRIPTION Enables equipmentto meet IEC61000-4-5standards High off-state reliability with planar technology Needsno external overvoltage protection Direct interface with the microcontroller Reduces the power component count
BENEFITS
FUNCTIONAL DIAGRAM: AC static switchingin appliance& industrialcontrol systems Induction motor drive actuator for:- Refrigerator/ Freezer compressor Dishwasher spray pump- Clothes drier tumble Actuatorfor the thermostatofa refrigeratororfreezer
MAIN APPLICATIONSASD™ Switch Family
ACST6-7S
Note1: accordingtotest describedby IEC61000-4-5 standard& FigureA.
ABSOLUTE RATINGS (limiting values)
GATE CHARACTERISTICS (maximum values)
THERMAL RESISTANCE
ACST6-7S
ELECTRICAL CHARACTERISTICS PER SWITCHFor either positiveor negative polaryof pin OUT voltagein respectto pin COM voltage
PARAMETER DESCRIPTION
ACST6-7S
TYPICAL APPLICATION DIAGRAMThe ACST6-7S deviceis especially designedto drive medium power induction motorsin refrigerators, dish
washers, and tumble dryers.
Pin COM : Common drive reference,tobe connectedto the power line neutral
PinG : Switch Gate inputtobe connectedto the controller
Pin OUT : Switch Outputtobe connectedto the load
When driven froma low voltage controller, the ACST switchis triggered witha negative gate current flow-
ing outof the gate pinG.It canbe directly drivenby the controller througha resistoras shownon the typical
application diagram.In appliance systems, the ACST6-7S switch intendsto drive medium power loadin/ OFF full cycleor phase angle control mode.
Thankstoits thermal and turn-off commutation characteristics, the ACST6-7S switchis ableto drivean
inductive loadupto 6A withouta turn-off aid snubber circuit.
LINE SWITCH BASIC APPLICATIONThe ACST6-7S switchis ableto safely withstand the AC line transient voltages eitherby clamping the low
energy spikesorby breaking over under high energy shocks.
The test circuitin FigureAis representativeof the ACST application andis usedto test the ACST switch
accordingto the IEC61000-4-5 standard conditions. Thanksto the load impedance, the ACST switch with-
stands voltage spikesupto2kV above the peak line voltageby breaking over safely. Such non-repetitive
testing canbe done10 timeson each AC line voltage polarity.
LINE TRANSIENT VOLTAGE RUGGEDNESS
Fig. A: Overvoltage ruggedness test circuit for resistive and inductive loads according
to IEC61000-4-5 standard R = 10Ω, L = 5μH & VPP = 2kV
ACST6-7S 2345 60
P (W)
Fig.1: Maximum power dissipation versus RMS
on-state current (full cycle). 25 50 75 100 1250
IT(RMS) (A)
Fig. 2-1: RMS on-state current versus case
temperature (full cycle). 25 50 75 100 1250.0
IT(RMS) (A)
Fig. 2-2: RMS on-state current versus ambient
temperature (printed circuit board FR4, copper
thickness: 35μm), full cycle.
1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 5E+21E-3
1E-2
1E-1
1E+0
K=[Zth/Rth]
Fig.3: Relative variationof thermal impedance
versus pulse duration.
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.00.1
ITM (A)
Fig.4: On-state characteristics (maximum values). 10 100 10000
ITSM (A)
Fig.5: Surge peak on-state current versus number cycles.
ACST6-7S0.01 0.10 1.00 10.001
ITSM (A), I²t (A²s)
Fig.6: Non repetitive surge peak on-state current
fora sinusoidal pulse with width tp<10ms, and
corresponding valueofI2t.
-40 -20 0 20 40 60 80 100 120 1400.0
IGT,IH,IL[Tj] / IGT,IH,IL [Tj=25°C]
Fig.7: Relative variationof gate trigger current,
holding current and latching current versus
junction temperature (typical values).
0.1 1.0 10.0 100.00.0
(dI/dt)c [(dV/dt)c] / Specified (dI/dt)c
Fig.8: Relative variationof critical rateof decrease main current versus reapplied (dV/dt)c (typical
values). 25 50 75 100 1250
(dI/dt)c [Tj] / (dI/dt)c [Tj=125°C]
Fig.9: Relative variationof critical rateof decrease main current versus junction teperature. 25 50 75 100 125 1500.0
dV/dt [Tj] / dV/dt [Tj=125°C]
Fig. 10: Relative variation of dV/dt immunity
versus junction temperature for different valuesof
gateto com resistance (gate openis the reference
value). 2 4 6 8 10121416 18200
Rth(j-a) (°C/W)
Fig. 11: Thermal resistance junctionto ambient
versus copper surface under tab (printed circuit
board FR4, copper thickness: 35μm).
