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UC1827-X Scheda tecnica(PDF) 3 Page - Texas Instruments |
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UC1827-X Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 15 page www.ti.com ABSOLUTE MAXIMUM RATINGS (1) CONNECTION DIAGRAMS 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 V+ BUCK SRC SS RAMP CEAO CSAO CSA+ CSA− VEAO GND CEA+ PUSH VCC PULL PGND DELAY SYNC CT RT VEA− REF VEA+ CEA− N, J OR DW PACKAGES (TOP VIEW) 3 2 1 13 14 5 6 7 8 9 10 11 PGND NC NC DELAY SYNC CT RT SS RAMP CEAO CSAO CSA+ CSA− VEAO 4 15 16 17 18 Q PACKAGE (TOP VIEW) 28 27 26 25 24 23 22 21 20 19 12 NC − No internal connection UC1827-1, UC1827-2 UC2827-1, UC2827-2 UC3827-1, UC3827-2 SLUS365A – APRIL 1999 – REVISED AUGUST 2005 UC2827-1 UC2827-2 UNITS UC3827-1 UC3827-2 Supply voltage, VCC 20 CEAO, CEA+, CEA-, CSAO, CSA+, CSA-, CT, DELAY, PUSH, PULL, –0.3 to 5 RAMP, RT, SS, SYNC, VEA+, VEAO, V Input voltage range V+ and BUCK 90 SRC 90-VCC I/O continuous ±250 mA BUCK driver I/O peak ±1 A I/O continuous ±200 mA PUSH/PULL driver I/O peak ±0.8 A Storage temperature –65 to 150 Junction temperature –55 to 150 °C Lead temperature (soldering, 10 sec) 300 (1) Voltages are referenced to ground. Currents are positive into, negative out of the specified terminal. Consult Packaging section of databook for thermal limitations and considerations of packages. PLCC-28 (Q PACKAGE) (TOP VIEW) DIL-24 (N or J, DW PACKAGES) (TOP VIEW) 3 |
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