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UCC284 Datasheet(PDF) 2 Page - Texas Instruments |
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UCC284 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 10 page UCC284–5, UCC284–12, UCC284–ADJ, UCC384–5, UCC384–12, UCC384–ADJ LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR SLUS234D – JANUARY 2000 – REVISED FEBRUARY 2002 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram 3 8 2 6 7 5 R1 R2 1 4 GND VOUTS VOUT 1.25 V –2.6 V –1.6 V OVERCURRENT S Q Q R THERMAL SHUTDOWN 1– µA DISCHARGE 40 µA VPUMP SD/CT CHARGE 700 mA 50 k GM TON TOFF UVLO VIN VIN VIN VIN –2.2 V R1 R2 0 OPEN UCC384–ADJ UCC384–5 UCC384–12 375K 375K 125K 43.6K SHUTDOWN –0.7 V (–) (+) + + + + + (–) UDG–99030 absolute maximum ratings over operating free-air temperature (unless otherwise noted) } Input voltage range‡, VIN –16 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shutdown voltage range, SD/CT –5 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating virtual junction temperature range, TJ –55 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature (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. ‡ All voltages are with respect to ground. Currents are positive into and negative out of the specified terminals. |
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