ACST2-8SFP-TR STMICROELECTRONICS [STMicroelectronics], ACST2-8SFP-TR Datasheet

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ACST2-8SFP-TR

Manufacturer Part Number
ACST2-8SFP-TR
Description
AC Switch family Alternating current switch
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Main features
The ACST2-8SFP in the TO-220FPAB package
provides insulation voltage rated at 1500V
Main application
Description
The ACST2 series belongs to the AC power
switch family built around the ASD technology.
This high performance device is adapted to home
appliances or industrial systems and drives loads
up to 2 A.
This ACST2 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. The component needs
a low gate current to be activated (I
and in the mean time provides a high electrical
noise immunity such as those described in the
IEC 61000-4-4 standards.
March 2007
V
Overvoltage crowbar technology
High noise immunity: static dV/dt > 500 V/µs
AC ON/OFF static switching in appliances &
industrial control systems
Drive of low power highly resistive or inductive
loads like:
– solenoid,
– pump, fan, micro-motor
DRM
Symbol
I
T(RMS)
I
GT
/V
RRM
Value
800
10
2
GT
< 10 mA)
Unit
mA
A
V
RMS
Rev 1
Benefits
Order code
Functional diagram
Enables equipment to meet IEC 61000-4-5
High off-state reliability with planar technology
Needs no external overvoltage protection
Reduces component count
Interfaces directly with the micro-controller
High immunity against fast transients
described in IEC 61000-4-4 standards
ACST2-8SFP
Part number
ACST2-8SB
ACST2-8SFP
TO-220FPAB
Alternating current switch
COM
COM
ACST2 Series
OUT
OUT
AC Switch family
COM
OUT
G
OUT
ACST2-8SB
ACST28S
ACST28S
G
G
Marking
DPAK
COM
G
www.st.com
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ACST2-8SFP-TR Summary of contents

Page 1

... Drive of low power highly resistive or inductive loads like: – solenoid, – pump, fan, micro-motor Description The ACST2 series belongs to the AC power switch family built around the ASD technology. This high performance device is adapted to home appliances or industrial systems and drives loads ...

Page 2

... C, unless otherwise specified) j Quadrant III III = 125° III III gate open T = 125° 125° 25° max GT ACST2 Series Value T = 105° 110 ° 16 8.0 0 125° 25° 125° ...

Page 3

... ACST2 Series Table 3. Static electrical characteristics Symbol ( 2 500 µ (1) V Threshold voltage TO (1) R Dynamic resistance D I DRM OUT DRM RRM I RRM 1. for both polarity of OUT pin referenced to COM pin Table 4. Thermal resistances Symbol R Junction to case (AC) th(j-c) R Junction to ambient th(j-a) 1 ...

Page 4

... L 1.4 1.2 1.0 0.8 0.6 0.4 DPAK 0.2 0.0 -40 -30 -20 -10 0 Figure 8. 2.0 V =540 V OUT 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.1 100 125 ACST2 Series Relative variation of thermal impedance versus pulse duration - TO-220FPAB Z th(j-c) Z th(j-a) TO-220FPAB t (s) P 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 1.0E+02 1.0E+03 Relative variation of gate trigger current I , holding current I GT latching current I versus junction L temperature (typical values (° 100 110 120 130 ...

Page 5

... ACST2 Series Figure 9. Relative variation of critical rate of decrease of main current versus junction temperature (° Figure 11. Non repetitive surge peak on-state current for a sinusoidal pulse with width t < 10 ms, and P corresponding value of I 100.0 10.0 1.0 t (ms ...

Page 6

... AC line switch basic application 2 AC line switch basic application The ACST2 device has been designed to switch on and off highly inductive or resistive loads such as pump, valve, fan, or bulb lamp. Thanks to its high sensitivity (I ACST2 can be driven directly by logic level circuits through a resistor as shown on the typical application diagram ...

Page 7

... Even if the ACST2 is a sensitive device (I a simple resistor by a logic level circuit, it provides a high electrical noise immunity. The intrinsic immunity of the ACST2 is shown by the specified dV/dt equal to 500 V/µs @ 125° C. This immunity level times higher than the immunity provided by an equivalent standard technology triac with the same sensitivity ...

Page 8

... Package information 4 Package information ● Epoxy meets UL94, V0 Table 5. TO-220FPAB dimensions 8/11 Ref Dia ACST2 Series Dimensions Millimeters Min. Max. Min. A 4.4 4.6 0.173 B 2.5 2.7 0.098 D 2.5 2.75 0.098 E 0.45 0.70 0.018 F 0.75 1 0.030 F1 1.15 1.70 0.045 F2 1.15 1.70 0.045 G 4.95 5.20 0.195 G1 2.4 2.7 0.094 H 10 10.4 0.393 L2 16 Typ. ...

Page 9

... ACST2 Series Table 6. DPAK dimensions 0.60 MIN. Figure 18. Footprint (dimensions in mm) In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97 ...

Page 10

... Ordering information 5 Ordering information Part number ACST2-8SFP ACST2-8SB ACST2-8SB-TR 6 Revision history Date 01-Mar-2007 10/11 Marking Package ACST28S TO-220FPAB ACST28S DPAK ACST28S DPAK Revision 1 Initial release. ACST2 Series Weight Base Qty Packing mode 2.4g 50 Tube 0.3g 50 Tube 0.3g 2500 Tape and Reel Changes ...

Page 11

... ACST2 Series Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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