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UCC25710 Datasheet(PDF) 4 Page - Texas Instruments |
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UCC25710 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 34 page  UCC25710 SLUSAD7A – APRIL 2011 – REVISED MAY 2011 www.ti.com ELECTRICAL CHARACTERISTICS TA = -40°C to 125°C, TA = TJ, VVCC = 12 V, VBLON = 3 V, VUV = 3 V, VOV = 2 , VCL = 0 V, RMIN = 100 kΩ, RMAX = 4.99 kΩ, (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Supply Input VVCCMAX VCC operating voltage 18 V IOFF Supply current, off VVCC = 8 V 160 250 µA ION Supply current, on Switching frequency = FMIN (30 KHz) 1.4 2.1 mA IDISABLE Supply current, disabled VVCC = 12 V, VBLON = 0 V 240 350 µA ILATCHOFF Supply current, latched off Fault latch set 600 900 Under-Voltage Lockout VVCCON VCC turn-on threshold VVCC low-to-high 8.6 9.3 10.1 VVCCOFF VCC turn-off threshold VVCC high-to-low 8.3 9.0 9.6 V VVCCHYS Hysteresis 0.20 0.35 0.50 5-V Reference Output VVREF 5-V Reference IVREF = 0 to 10 mA, TJ = 25°C 4.95 5.00 5.05 V VVREF 5-V Reference IVREF = 0 to 10 mA, TJ = -40°C to 125°C 4.85 5.00 5.15 Current Amplifier VICOMPIOS Input offset voltage VCREF = 1.65 V, ICOMP tied to CS -15 15 mV ICS Input bias current at CS input VCREF = 1.65 V, VCS = 1.65 V -0.25 0.25 µA Input bias current at CREF ICR VCREF = 1.65 V, VCS = 1.65 V -0.25 0.25 input VICOMPHI ICOMP high VCS = 0 V, VCREF = 1.65 V, IICOMP = 50 µA 4.6 4.85 V VICOMPLO ICOMP low VCS = 3 V, VCREF = 1.65 V, IICOMP = -50 µA 0.35 0.65 GMICOMP ICOMP transconductance ICOMP tied to CS, IICOMP = -100 µA to 100 µA 440 510 600 µS IICOMPSRC Source current ICOMP VCS = 0.65 V, VCREF = 1.65 V, VICOMP = 2.5 V 120 150 180 IICOMPSNK Sink current ICOMP VCS = 2.65 V, VCREF = 1.65 V, VICOMP = 2.5 V 195 245 295 µA LED off leakage current at IICOMPLGK VDIM = 0 V, VICOMP = 2.5 V, TJ = -40°C to 85°C -0.1 0.1 ICOMP VCREF = 0 V, ICOMP tied to CS, regulating voltage VCREFCLO CREF low Clamp 0.475 0.500 0.535 at ICOMP V VCREF = 3 V, ICOMP tied to CS, regulating voltage VCREFCHI CREF high Clamp 2.65 2.80 2.95 at ICOMP Soft Start ISS Soft-start charging current VSS = 2.25 V 2.0 2.5 3.0 µA Soft-start discharge RSSDC VSS = 1 V 3.4 5.0 K Ω resistance VSSTH Soft-start threshold SS clamp released 3.95 4.15 4.40 V TRSTDLY Reset delay From UVLO turn on to start of soft start 7 10 13 ms Voltage Controlled Oscillator FMIN FMIN GD1, GD2 RMIN = 100 kΩ, VICOMP = 5 V 29.5 30.5 31.5 kHz FMAX FMAX GD1, GD2 RMIN = 100 kΩ, RMAX = 4.99 kΩ, VICOMP = 0.95 V 275 300 320 TDT Dead time GD1, GD2 RMIN = 100 kΩ, VICOMP = 3 V 400 500 600 ns TMATCH On-time mismatching RMIN = 100 kΩ, VICOMP = 3 V -50 50 VVCOTHLO VICOMP VCO Threshold Low Disable GD1, GD2, VICOMP high to low 0.80 0.90 0.95 V VVCOMAX VICOMP for FMIN Frequency reaches FMIN 3.8 4.0 4.2 4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): UCC25710 |
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Similar Description - UCC25710_15 |
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