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UCC3819APWG4 Datasheet(PDF) 3 Page - Texas Instruments |
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UCC3819APWG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 21 page UCC2819A UCC3819A SLUS579 − OCTOBER, 2003 3 www.ti.com ABSOLUTE MAXIMUM RATINGS over operating free-air temperature (unless otherwise noted)† UCCx81xA UNIT Supply voltage VCC 18 V Gate drive current, continuous 0.2 A Gate drive current 1.2 A Input voltage, CAI, MOUT, SS 8 Input voltage, PKLMT 5 V Input voltage, VSENSE, OVP/EN, VAI 10 V Input current, RT, IAC, PKLMT 10 mA Maximum negative voltage, DRVOUT, PKLMT, MOUT −0.5 V Power dissipation 1 W Junction temperature, TJ −55 to 150 Storage temperature, Tstg −65 to 150 °C Lead temperature, Tsol (soldering, 10 seconds) 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 under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS TA = 0°C to 70°C for the UCC3819A, −40°C to 85°C for the UCC2819A, VCC = 12 V, RT = 22 kΩ, CT = 270 pF, (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Supply Current Supply current, off VCC = (VCC turnon threshold −0.3 V) 150 300 µA Supply current, on VCC = 12 V, No load on DRVOUT 2 4 6 mA UVLO VCC turnon threshold 9.7 10.2 10.8 VCC turnoff threshold 9.4 9.7 V UVLO hysteresis 0.3 0.5 V Voltage Amplifier VIO VAOUT = 2.75 V, VCM = 3.75 V −15 15 mV VAI bias current VAOUT = 2.75 V, VCM = 3.75 V 50 200 nA VSENSE bias current VSENSE = VREF, VAOUT = 2.5 V 50 200 nA CMRR VCM = 1 V to 7.5 V 50 70 dB Open loop gain VAOUT = 2 V to 5 V 50 90 dB High-level output voltage IL = −150 µA 5.3 5.5 5.6 V Low-level output voltage IL = 150 µA 0 50 150 mV NOTES: 1. Ensured by design, Not production tested. 2. Reference variation for VCC < 10.8 V is shown in Figure 2. |
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