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CS902-A-R 数据表(PDF) 8 Page - Richtek Technology Corporation |
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CS902-A-R 数据表(HTML) 8 Page - Richtek Technology Corporation |
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8 / 15 page ![]() Conceptual CS902-A-R www.richtek.com June 13, 2013 8 Conf ident ial for CSO VL Output Voltage VL 5 V Out Voltage Tolerance ∆VL Out Voltage Tolerance -1 +1 % FAULT DETECTION Fault Trigger Duration 50 ms Thermal Shutdown Threshold Temperature rising -- 150 -- °C LOGIC INPUTS(SDA, SCL, HVS, EN, VFLK) Input High Voltage VIH 1.7 V Input Low Voltage VIL 0.6 V Input Leakage Current IIH, IIL VIN=0 or 3.3V -1 +0.01 +1 µA Input Capacitance 5 pF SDA Output Low Voltage VOL ISINK=6mA 0.3 V I 2C TIMING CHARACTERISTICS Serial-Clock Frequency fSCL 0 400 kHz Bus Free Time Between STOP and START Conditions tBUF 1.3 µs Hold Time (Repeated) START Condition tHD,STA 0.6 µs SCL Pulse-Width Low tLOW 1.3 µs SCL Pulse-Width High tHIGH 0.6 µs Setup Time for a Repeated START Condition tSU,STA 0.6 µs Data Hold Time tHD,DAT 0 800 ns Data Setup Time tSU,DAT 100 ns SDA and SCL Receiving Rise Time tR 20+0.1 CB 300 ns SDA and SCL Receiving Fall Time tF 20+0.1 CB 300 ns SDA Transmitting Fall Time tF 20+0.1 CB 250 ns Setup Time for STOP Condition tSU_STO 0.6 µs Bus Capacitance CB 400 pF Pulse Width of Suppressed Spike tSP 50 ns INTERNAL OSCILLATOR Oscillator Frequency Fosc 600 750 900 kHz Maximum Duty Cycle 90 % |
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