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PDF ACS110-7SN Data sheet ( Hoja de datos )
| Número de pieza | ACS110-7SN | |
| Descripción | AC LINE SWITCH | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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®
ASD™
AC Switch Family
ACS110-7SN/SB2
AC LINE SWITCH
MAIN APPLICATIONS
s AC static switching in appliance control systems
s Drive of low power high inductive or resistive
loads like
- relay, valve, solenoid, dispenser
- pump, fan, micro-motor
- defrost heater
FEATURES
s Blocking voltage : VDRM / VRRM = +/-700V
s Avalanche controlled : VCL typ = 1100 V
s Nominal conducting current : IT(RMS) = 1A
s Gate triggering current : IGT < 10 mA
s Switch integrated driver
s High noise immunity : static dV/dt >500V/µs
BENEFITS
s No external protection snubber or varistor
needed
s Enables equipment to meet IEC 61000-4-5 &
IEC 335-1 (DIL-8 package)
s Reduces component count up to 80 %
s Interfaces directly with the microcontroller
s Eliminates any gate kick back on the
microcontroller
s Allows straightforward connection of several
ACS™ on same cooling pad (SOT-223)
DESCRIPTION
The ACS110 belongs to the AC line switch family
built around the ASD™ concept. This high perfor-
mance switch circuit is able to control a load up to 1
A.
The ACS™ switch embeds a high voltage clamp-
ing 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.
OUT
COM
G
COM
SOT-223
ACS110-7SN
G
COM
COM
COM
COM
OUT
DIL-8
ACS110-7SB2
FUNCTIONAL DIAGRAM
OUT
S
ON
D
April 2003 - Ed: 2A
COM
G
1/10
1 page  
ACS110-7SN/SB2
Fig. A: Turn-off operation of the ACS110 switch
with an electro-valve: waveform of the pin OUT
current IOUT and Out-COM voltage VOUT.
Fig. B: ACS110 switch static characteristic.
IOUT
IH
VCL
VOUT
AC LINE TRANSIENT VOLTAGE RUGGEDNESS
The ACS110 switch is able to sustain safely the AC line transient voltages either by clamping the low en-
ergy spikes or by breaking over under high energy shocks, even with high turn-on current rises.
The test circuit of the figure C is representative of the final ACS application and is also used to stress the
ACS switch according to the IEC 61000-4-5 standard conditions. Thanks to the load, the ACS switch sus-
tains the voltage spikes up to 2 kV above the peak line voltage. It will break over safely even on resistive
load where the turn on current rise is high as shown on figure D. Such non repetitive test can be done 10
times on each AC line voltage polarity.
Fig. C: Overvoltage ruggedness test circuit
for resistive and inductive loads according to
IEC61000-4-5 standards.
R = 150Ω, L = 10µH, VPP = 2kV.
Fig. D: Current and Voltage of the ACS110 dur-
ing IEC61000-4-5 standard test with R = 150Ω,
L = 10µH & VPP = 2kV.
SURGE VOLTAGE
AC LINE & GENERATOR
RL
VAC + VPP
S
D
OUT
ACSxx
ON
COM
G
RG = 220Ω
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ACS110-7SN.PDF ] | |
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