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ISL84542IB Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL84542IB Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 16 page 7 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 FIGURE 2A. MEASUREMENT POINTS FIGURE 2B. TEST CIRCUIT FIGURE 2. CHARGE INJECTION FIGURE 3A. MEASUREMENT POINTS (ISL84543 ONLY) CL includes fixture and stray capacitance. FIGURE 3B. TEST CIRCUIT (ISL84543 ONLY) 50% tr < 20ns tf < 20ns tOFF 90% 3V 0V VNO 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 1k Ω 35pF GND V+ C VOUT ∆V OUT ON OFF ON Q = ∆V OUT x CL SWITCH OUTPUT LOGIC INPUT V+ 0V CL VOUT RG VG GND COM NO or NC V+ C LOGIC INPUT IN 90% 3V 0V tD 0V LOGIC INPUT SWITCH OUTPUT SWITCH OUTPUT 90% tD 0V VOUT1 VOUT2 LOGIC INPUT IN1 COM1 RL1 CL1 VOUT1 300 Ω 35pF COM2 RL2 CL2 VOUT2 300 Ω 35pF NO1 NC2 GND IN2 VNX V+ C ISL84541, ISL84542, ISL84543, ISL84544 |
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