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UC3907DWTRG4 Datasheet(PDF) 3 Page - Texas Instruments |
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UC3907DWTRG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 12 page UC1907, UC2907, UC3907 LOAD SHARE CONTROLLER SLUS165C – MARCH 1999 - REVISED JANUARY 2002 3 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 Voltage Amp Section Inp t oltage COMP = 1 V, TA = 25°C 1.975 2.000 2.025 V Input voltage COMP = 1 V, over temp 1.960 2.000 2.040 V Line regulation VIN = 4.5 V to 35 V 15 mV Load regulation IL reference = 0.0 mA to –10 mA 10 mV Long term stability TA = 125°C, 1000hrs See Note 2 5 25 mV Total output variation Line, load, temp 1.960 2.040 Input adjust range ADJ OUT from max high to max low 85 100 115 mV Input bias current –1 µA Open loop gain COMP = 0.75 V to 1.5 V 65 dB Unity gain bandwidth TA = 25°C See Note 2 700 kHz Output sink current (+) SENSE = 2.2 V, COMP = 1 V 6 15 mA Output source current (+) SENSE = 1.8 V, COMP = 1 V 400 600 µA VOUT high (+) SENSE = 1.8 V, IL = –400 µΑ 1.85 2 V VOUT low (+) SENSE = 2.2 V, IL = 1 mA 0.15 0.40 V Reference Section O tp t oltage TA = 25°C 1.970 2.000 2.030 V Output voltage Over operating temp 1.955 2.000 2.045 V Short circuit current VREF = 0.0 V –15 –30 –60 mA Ground Amp Section Output voltage 200 250 300 mV Common mode variation (–) SENSE from 0.0 V to 2 V 5 mV Load reg lation IL = 0.0 mA to 20 mA, TA = 25°C 10 mV Load regulation IL = 0.0 mA to 20 mA, over temp 15 mV Adjust Amp Section Input offset voltage ADJ OUT = 1.5 V, VCM = 0.0 V 40 50 60 mV Input bias current –2 µA Open loop gain 1.5 V ≤ ADJ OUT ≤ 2.25 V 65 dB Unity gain bandwidth TA = 25°C, COUT =1 µF See Note 2 500 Hz Transconductance IOUT = –10 µA to 10 µA, VOUT = 1.5 V 1.7 3 4.5 ms Output sink current VID = 0.0 V, ADJ OUT = 1.5 V 55 135 225 µA Output source current VID = 250 mV, ADJ OUT = 1.5 V 110 200 350 µA VOUT high VID = 250 mV, IOUT = – 50 mA 2.20 2.70 2.90 V VOUT low VID = 0.0 V, IOUT = 50 mA 0.75 1.15 V Common mode rejection ratio VCM = 0.0 to 10 V 70 dB Output gain to V/A VOUT ADJ OUT = 1.5 V to 2 V, ∆(+) SENSE/ ∆ADJ OUT 50 57 64 mV/V 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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