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UCC2806PWTR Datasheet(PDF) 4 Page - Texas Instruments |
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UCC2806PWTR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page UCC1806 UCC2806 UCC3806 SLUS272C − FEBRUARY 2000 − REVISED JUNE 2003 4 www.ti.com ELECTRICAL CHARACTERISTICS VIN = 12 V, RT = 33 kΩ, CT = 330 pF, CBYPASS on VREF = 0.01 µF, −55°C < TA < 125°C for the UCC1806, −40°C < TA < 85°C for the UCC2806, 0 °C < TA < 70°C for the UCC3806, and TA = TJ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OSCILLATOR (continued) IDCHG Discharge current TJ = 25°C, VCT = 2.0 V 2 mA VOL Low-level output voltage, SYNC IOUT = 1 mA 0.4 VOH High-level output voltage, SYNC IOUT = −4 mA 2.4 V VIL Low-level input voltage, SYNC VCT = 0 V, VRT = VREF 0.8 V VIH High-level input voltage, SYNC VCT = 0 V, VRT = VREF 2.0 ISYNC Input current, SYNC −1 1 µA ERROR AMPLIFIER Input offset voltage UCC1806 UCC2806 5 mV Input offset voltage UCC3806 10 mV IBIAS Input bias current −1 µA IOFSET Input offset current 500 nA CMR Common mode range(1) 0 VIN−2 V AVOL Open loop gain 1 V ≤ VOUT ≤ 4 V 80 100 dB GBW bandwidth 1 MHz ICOMP_SINK Output sink current VID < −20 mV, VCOMP = 1 V 1 mA ICOMP_SRC Output source current VID < 20 mV, VCOMP = 3 V −80 −120 µA VCOMP_L Low-level output voltage VID = −50 mV 0.5 V VCOMP_H High-level output voltage VID = −50 mV 4.5 V CURRENT SENSE AMPLIFIER A Amplifier gain(3)(4) VCS− = 0 V, VCURLIM = VREF 2.75 3.00 3.35 V/V Maximum differential input signal (VCS+ − VCS−) VCURLIM = VNI = VREF, VINV = 0V 1.1 V Input offset voltage UCC1806 UCC2806 VCURLIM = 0.5 V, VCOMP = OPEN 10 30 µA Input offset voltage UCC3806 VCURLIM = 0.5 V, VCOMP = OPEN 10 50 mV CMRR Common mode rejection ratio 0 V ≤ VCM ≤ (VIN − 3.5 V) 60 dB PSRR Power supply rejection ratio 56 dB IBIAS Input bias current (3) VCURLIM = 0.5 V, VCOMP = OPEN −1 µA Input offset current (3) VCURLIM = 0.5 V, VCOMP = OPEN 1 µA Delay-to-output time (5) VNI = VREF, VINV = 0 V, VCURLIM = 2.75 V, (VCS+ − VCS−) = 0 V to 1.5 V step 125 175 ns CURRENT LIMIT ADJUST Current limit offset VCS− = VCS+ = 0 V,VCOMP = OPEN 0.4 0.5 0.6 V IBIAS Input bias current 1 Minimum latching current 300 200 µA Maximum non-latching current 200 80 µA (1) Line range = 10 V to 15 V, load range = 0.2 mA to 5 mA (2) Ensured by design. Not production tested. |
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