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ISL43840 Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL43840 Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 14 page 8 FN6056.2 March 13, 2006 Test Circuits and Waveforms Logic input waveform is inverted for switches that have the opposite logic sense. FIGURE 1A. ENABLE tON / tOFF MEASUREMENT POINTS Repeat test for other switches. CL includes fixture and stray capacitance. FIGURE 1B. ENABLE tON / tOFF TEST CIRCUIT Logic input waveform is inverted for switches that have the opposite logic sense. FIGURE 1C. ADDRESS tTRANS MEASUREMENT POINTS Repeat test for other switches. CL includes fixture and stray capacitance. FIGURE 1D. ADDRESS tTRANS TEST CIRCUIT FIGURE 1. SWITCHING TIMES FIGURE 2A. Q MEASUREMENT POINTS FIGURE 2B. Q TEST CIRCUIT FIGURE 2. CHARGE INJECTION 50% tr < 20ns tf < 20ns tON 3V 0V tOFF LOGIC INPUT SWITCH OUTPUT 90% 0V 90% VOUT VNO0 VOUT V(NO) RL RL R ON () + ------------------------------ = LOGIC INPUT VOUT RL COM NO0 ENABLE 300 Ω 35pF GND V- C NO1-NO3 CL V+ ADD1, 2 C V+ C 50% tr < 20ns tf < 20ns tTRANS 90% 3V VNOX 0V tTRANS LOGIC INPUT SWITCH OUTPUT 10% VOUT 0V VNO0 VOUT V(NO) RL RL R ON () + ------------------------------ = LOGIC INPUT VOUT RL COM NO0 ADD1, 2 300 Ω 35pF GND NO1-NO2 CL V+ ENABLE C V- C V+ C NO3 V- C VOUT ∆VOUT OFF ON OFF Q = ∆VOUT x CL SWITCH OUTPUT LOGIC INPUT 3V 0V CL VOUT RG VG GND COMX NOX LOGIC INPUT ENABLE ADDX V- C V+ C Repeat test for other switches. 1nF 0 Ω ISL43840 |
Número de pieza similar - ISL43840_06 |
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Descripción similar - ISL43840_06 |
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