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PDF ACS108-5SA Data sheet ( Hoja de datos )
| Número de pieza | ACS108-5SA | |
| Descripción | AC LINE SWITCH | |
| Fabricantes | STMicroelectronics | |
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®
ASD™
AC Switch Family
ACS108-5Sx
AC LINE SWITCH
MAIN APPLICATIONS
■ AC on-off static switching in appliance & indus-
trial control systems
■ Drive of low power high inductive or resistive
loads like
- relay, valve, solenoid, dispenser
- pump, fan, micro-motor
- defrost heater
FEATURES
■ Blocking voltage: VDRM / VRRM = 500V
■ Clamping voltage: VCL = 600V
■ Nominal current: IT(RMS) = 0.8 A
■ Gate triggering current : IGT < 10mA
■ Triggering current is sourced by the gate
■ Switch integrated driver
■ Drive reference COM connected to the SOT-223
tab
BENEFITS
■ Needs no external overvoltage protection.
■ Enables the equipment to meet IEC61000-4-5
standard.
■ Allows straightforward connection of several
SOT-223 devices on the same cooling pad.
■ Reduces the switch component count by up to
80%.
■ Interfaces directly with the microcontroller.
■ Eliminates any stressing gate kick back on the
microcontroller.
OUT
G COM
TO-92
ACS108-5SA
COM
OUT
COM
G
SOT-223
ACS108-5SN
FUNCTIONAL DIAGRAM
ACS108
OUT
DESCRIPTION
The ACS108 belongs to the AC line switches built
around the ASD™ concept. This high performance
device is able to control an 0.8 A load device.
The ACS™ switch embeds a high voltage clamping
structure to absorb the inductive turn-off energy
and a gate level shifter driver to separate the digital
controller from the main switch. It is triggered with a
negative gate current flowing out of the gate pin.
For further technical information, please refer to
S
ON
D
COM
G
ASD and ACS are a trademarks of STMicroelectronics.
June 2005
REV. 2
1/8
1 page  
ACS108-5Sx
Fig. 5: Maximum power dissipation versus RMS
on-state current.
Fig. 6: RMS on-state current versus ambient
temperature.
P(W)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1 IT(RMS)(A)
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
IT(RMS)(A)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
ACS108-5SA (TO92, Tamb=Tlead)
ACS108-5SN with 5cm² copper surface under tab
ACS108-5SA (TO92)
Tamb(°C)
10 20 30 40 50 60 70 80 90 100 110 120 130
Fig. 7-1: Relative variation of thermal impedance
junction to ambient versus pulse duration
(ACS108-5SA) (TO-92).
Fig. 7-2: Relative variation of thermal impedance
junction to ambient versus pulse duration
(ACS108-5SN) (SOT-223).
Zth(j-a) / Rth(j-a)
1.00
Zth(j-a) / Rth(j-a)
1.00
0.10 0.10
0.01
1E-3
1E-2
tp(s)
1E-1 1E+0
1E+1
1E+2 5E+2
0.01
1E-3
1E-2
tp(s)
1E-1 1E+0
1E+1
1E+2 5E+2
Fig. 8: Relative variation of gate trigger current
versus junction temperature.
Fig. 9: Relative variation of holding and latch-
ing current versus junction temperature.
IGT [Tj] / IGT [Tj=25°C]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40 -20
0
Tj(°C)
20 40 60 80 100 120 140
IH,IL [Tj] / IH,IL [Tj=25°C]
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-20
0
Tj(°C)
20 40 60
80 100 120 140
5/8
®
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ACS108-5SA.PDF ] | |
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