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UC2854B-EP Fiches technique(PDF) 2 Page - Texas Instruments |
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UC2854B-EP Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 13 page UC2854BEP SGLS318 − NOVEMBER 2005 2 www.ti.com BLOCK DIAGRAM UDG−03110 10 11 6 8 15 1 16 ENA VSENSE IAC VRMS VCC GND GTDRV 2.65 V / 2.15 V 3 V 7 VAO 13 SS X2 A B C (A) 16 V / 10 V (B) 10.5 V / 10 V 5 MOUT 4 ISENSE 3 CAO 14 CT OSC 12 RSET SQ R R 2 PKLMT 20 V IC POWER 7.5 V REF 9 REF RUN 7.1 V RUN VCC 14 µA I MOUT + A B C These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. ABSOLUTE MAXIMUM RATINGS over operating free-air temperature range unless otherwise noted(1) UCX854A, UCX854B UNIT Supply voltage, VCC 22 V GTDRV current, IGTDRV Continuous 0.5 A GTDRV Current, IGTDRV 50% duty cycle 1.5 A Input voltage VSENSE, VRMS, ISENSE MOUT 11 V Input voltage PKLMT 5 V Input current RSET, IAC, PKLMT, ENA 10 mA Junction temperature, TJ −55 to 150 Storage temperature, Tstg −65 to 150 °C Lead temperature, Tsol, 1,6 mm (1/16 inch) from case for 10 seconds 300 C (1) 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. All voltages are with respect to GND. Currents are positive into and negative out of, the specified terminal. ENA input is internally clamped to approximately 10 V. RECOMMENDED OPERATING CONDITIONS MIN MAX UNIT Supply voltage, VCC 10 20 V Operating junction temperature, TJ −55 125 °C |
Numéro de pièce similaire - UC2854B-EP |
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Description similaire - UC2854B-EP |
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