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LT1086IM Datasheet(PDF) 1 Page - Linear Technology |
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LT1086IM Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page 1 LT1086 Series sn1086 1086ffs APPLICATIO S FEATURES DESCRIPTIO TYPICAL APPLICATIO s 3-Terminal Adjustable or Fixed 2.85V, 3.3V, 3.6V, 5V, 12V s Output Current of 1.5A (0.5A for LT1086H) s Operates Down to 1V Dropout s Guaranteed Dropout Voltage at Multiple Current Levels s Line Regulation: 0.015% s Load Regulation: 0.1% s 100% Thermal Limit Functional Test s Ripple Rejection >75dB s Available in 3-Pin TO-220 and 3-Pin DD Packages The LT ®1086 is designed to provide up to 1.5A output current. All internal circuitry is designed to operate down to 1V input-to-output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at several operating points up to a maximum of 1.5V at maximum output current. Dropout decreases at lower load currents. On-chip trimming adjusts the refer- ence/ouput voltage to 1%. Current limit is also trimmed, minimizing the stress on both the regulator and power source circuitry under overload conditions. The LT1086 is pin compatible with older 3-terminal adjust- able regulators. A minimum 10 µF output capacitor is required on these devices. The LT1086 offers excellent line and load regulation speci- fications and ripple rejection exceeds 75dB even at the maximum load current of 1.5A. The LT1086 is floating architecture with a composite NPN output stage. All of the quiescent current and the drive current for the output stage flows to the load increasing efficiency. The LT1086 is available in a 3-pin TO-220 package and a space-saving surface mountable 3-pin DD package. 1.5A Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 3.6V, 5V, 12V s SCSI-2 Active Terminator s High Efficiency Linear Regulators s Post Regulators for Switching Supplies s Constant Current Regulators s Battery Chargers s Microprocessor Supply LT1086 Dropout Voltage OUTPUT CURRENT (A) 0 0 1 2 0.5 1 LT1086 • TA02 1.5 INDICATES GUARANTEED TEST POINT –55 °C ≤ TJ ≤ 150°C 0 °C ≤ TJ ≤ 125°C TJ = – 55°C TJ = 25°C TJ = 150°C VIN ≥ 4.75V 3.3V AT 1.5A *MAY BE OMITTED IF INPUT SUPPLY IS WELL BYPASSED WITHIN 2" OF THE LT1086 LT1086-3.3 LT1086 • TA01 10 µF* TANTALUM 10 µF TANTALUM IN OUT GND 5V to 3.3V Regulator , LTC and LT are registered trademarks of Linear Technology Corporation. |
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