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ACST4 Datasheet(PDF) 5 Page - STMicroelectronics |
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ACST4 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 13 page ACST4 AC line transient voltage ruggedness 5/13 3 AC line transient voltage ruggedness The ACST4 switch is able to sustain safely the AC line transient voltages either by clamping the low energy spikes or by breaking over under high energy shocks, even with high turn-on current rises. The test circuit of the Figure 6. is representative of the final ACST application and is also used to stress the ACST switch according to the IEC 61000-4-5 standard conditions. Thanks to the load, the ACST switch sustains 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 rate of rise, is as high as shown on Figure 7. Such non-repetitive test can be done 10 times on each AC line voltage polarity. Figure 3. Overvoltage ruggedness test circuit for resistive and inductive loads according to IEC 61000-4-5 standards. R = 150 Ω, L = 10 µH, V PP = 2 kV. Figure 4. Current and voltage of the ACST4 during IEC 61000-4-5 standard test with R, L and VPP. L R VAC +VPP SURGE VOLTAGE AC LINE & GENERATOR RG = 220 Ω COM OUT G ACST4 Figure 5. Maximum power dissipation versus RMS on-state current. Figure 6. RMS on-state current versus case temperature. 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 I (A) T(RMS) α=180° P(W) 180° α α 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 25 50 75 100 125 Tc(°C) α=180° DPAK IPAK TO-220FPAB I (A) T(RMS) |
Similar Part No. - ACST4_07 |
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Similar Description - ACST4_07 |
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