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UC2907DWTRG4 Fiches technique(PDF) 4 Page - Texas Instruments |
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UC2907DWTRG4 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 12 page UC1907, UC2907, UC3907 LOAD SHARE CONTROLLER SLUS165C – MARCH 1999 - REVISED JANUARY 2002 4 www.ti.com electrical characteristics, these specifications apply for TA = –55°C to 125°C for UC1907, –40°C to 85 °C for UC2907, and 0°C to 70°C for UC3907, VIN = 15 V, TA = TJ (unless otherwise stated ) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Current Amp Section Gain VCM = 0.0 V, VID = 50 mV to 100 mV 19.2 19.6 20.1 V/V O tp t oltage VC/S (+) = VC/S (–) = 0.0 V, TA = 25°C 210 250 290 mV Output voltage VC/S (+) = VC/S (–) = 0.0 V, over temp 180 250 330 mV Input offset change with common mode input VCM = 0 V to 13 V 600 µV/V VOUT high VID = 1 V 10 14.5 V VOUT low VID = – 1 V, IL = 1 mA 350 450 mV Power supply rejection ratio VIN = 4.5 V to 35 V, VCM = 0.0 V 60 dB Slew rate 0.4 V/ µs Drive Amp Section RSET = 500 Ω to Artificial GND, Opto Drive = 15 V Voltage gain COMP = 0.5 V to 1 V 2.3 2.5 2.6 V/V ISET VOUT high (+) SENSE = 2.2 V 3.8 4.1 4.4 V ISET VOUT low (+) SENSE = 1.8 V 270 300 mV Opto out voltage range 4 35 V Zero current input threshold 1.55 1.65 1.75 V Buffer Amp Section Input offset voltage Input = 1 V 5 mV Output off impedance Input = 1 V, output = 1.5 V to 2 V 5 10 20 k Ω Output source current Input = 1 V, output = 0.5 V 6 15 mA Common mode rejection ratio VCM = 0.3 V to 10 V 70 dB Power supply rejection ratio VIN = 4.5 V to 35 V 70 dB Under Voltage Lockout Section Startup threshold 3.7 4.4 V Threshold hysteresis 200 mV Status Indicate Section VOUT low ADJ OUT = current share bus 0.2 0.5 V Output leakage ADJ OUT = 1 V, VOUT = 35 V 0.1 5 µA Total Stand by Current Section Startup current VIN = UVLO – 0.2 V 3 5 mA Operating current VIN = 35 V 6 10 mA NOTE 1: Unless otherwise specified all voltages are with respect to (–) SENSE. Currents are positive into, negative out of the specified terminal. NOTE 2: Ensured by design. Not production tested. |
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Description similaire - UC2907DWTRG4 |
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