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G768B Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers |
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G768B Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers |
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3 / 15 page  Ver 1.3 Oct 28, 2002 TEL: 886-3-5788833 http://www.gmt.com.tw 3 G768B Global Mixed-mode Technology Inc. Absolute Maximum Ratings Vcc to GND……………….………….…….-0.3V to +6V DXP1, DXP2 to GND……………0.3V to (Vcc + 0.3V) DXN to GND…………………………...-0.3V to +0.8V SMBCLK, SMBDATA, ALERT to GND.-0.3V to +6V SMBDATA, ALERT Current…………-1mA to +50mA DXN Current……………………………..…………±1mA ESD Protection (SMBCLK, SMBDATA, ALERT , hu- man body model)….…………………………….4000V ESD Protection (other pins, human body model).2000V Continuous Power Dissipation (TA= +70°C) SSOP (de-rate 8.30mW/°C above +70°C)…….………667mW Operating Temperature Range………-10°C to +85°C Junction Temperature…………………....+150°C Storage temperature Range…………..-65°C to +165°C Lead Temperature (soldering,10sec)………….+300°C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the opera- tional sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (Vcc = + 5V, TA = 60°C, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS Temperature Sensor Temperature Resolution(Note 1) Monotonicity guaranteed 8 Bits TR = 0°C to +125°C -5 5 Temperature Error, Remote Diode (Notes 2 and 3) TR = 60°C to +100°C -3 3 °C Temperature Error, Local Diode (Notes 1 and 2) Including long-term drift TA = +60°C to +100°C -3.5 3.5 °C Supply-Voltage Range 4.5 5 5.5 V Under-voltage Lockout Threshold Vcc input, disables A/D conversion, rising edge 2.6 2.8 2.95 V Under-voltage Lockout Hysteresis 50 mV Power-On Reset Threshold Vcc , falling edge 1.0 1.7 2.5 V POR Threshold Hysteresis 50 mV SMBus static 3 10 Standby Supply Current Logic inputs forced to Vcc or GND Hardware or software standby, SMBCLK at 10kHz 200 µA 0.25 conv/sec 250 300 Average Operating Supply Current Auto-convert mode, average measured over 4sec. Logic inputs forced to Vcc or GND 2.0 conv/sec 300 350 µA Conversion Time From stop bit to conversion complete(all channels) 94 125 156 ms Conversion Rate Timing Error Auto-convert mode -25 25 % High level 120 160 200 Remote-Diode Source Current DXP forced to 1.5V Low level 15 20 25 µA Fan Controller Supply voltage VCC 4.5 5 5.5 V Shutdown current Both fans’ speed = 0rpm 2 5 µA MOSFET on resistance Each channel 0.2 0.25 Ω Short-circuit current limit Each channel 0.5 A Input logic low VIL 0.8 V Input logic high VIH 2.4 V Average Output current Each channel 350 mA FG input Positive-going threshold voltage VCC=5V 1.8 V FG input Negative-going threshold voltage VCC=5V 0.7 V FG input Hysteresis voltage VCC=5V 1.1 V |
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