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ISL8391IB Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL8391IB Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 12 page 6 Test Circuits and Waveforms Logic input waveform is inverted for switches that have the opposite logic sense. FIGURE 1A. MEASUREMENT POINTS Repeat test for all switches. CL includes fixture and stray capacitance. FIGURE 1B. TEST CIRCUIT FIGURE 1. SWITCHING TIMES Logic input waveform is inverted for switches that have the opposite logic sense. FIGURE 2A. MEASUREMENT POINTS Repeat test for all switches. CL includes fixture and stray capacitance. NOTE: When testing the NC pin of a device use the NC as VOUT. When testing the NO pin of a device use the COM as VOUT. FIGURE 2B. TEST CIRCUIT FIGURE 2. CHARGE INJECTION 50% tr < 20ns tf < 20ns tOFF 90% 3V 0V VNX 0V tON LOGIC INPUT SWITCH INPUT SWITCH OUTPUT 90% VOUT V OUT V (NO or NC) R L R L R ON () + ------------------------------ = SWITCH INPUT LOGIC INPUT VOUT RL CL COM NO or NC IN 300 Ω 35pF GND V+ C V- C VNX C VOUT ∆VOUT ON OFF ON Q = ∆VOUT x CL SWITCH OUTPUT LOGIC INPUT 3V 0V CL VOUT RG VG GND COM NO V+ C LOGIC INPUT IN C V- COM NC ISL8391, ISL8392, ISL8393 |
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Similar Description - ISL8391IB |
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