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LT1084MK Datasheet(PDF) 1 Page - Linear Technology |
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LT1084MK Datasheet(HTML) 1 Page - Linear Technology |
1 / 12 page 1 LT1083/LT1084/LT1085 Fixed 1083ffd DEVICE OUTPUT CURRENT* LT1083 7.5 Amps LT1084 5.0 Amps LT1085 3.0 Amps *For a 1.5A low dropout regulator see the LT1086 data sheet. ■ Three-Terminal 3.3V, 3.6V, 5V and 12V ■ Output Current of 3A, 5A or 7.5A ■ Operates Down to 1V Dropout ■ Guaranteed Dropout Voltage at Multiple Current Levels ■ Line Regulation: 0.015% ■ Load Regulation: 0.1% ■ 100% Thermal Limit Functional Test ■ Adjustable Versions Available The LT ®1083 series of positive adjustable regulators are designed to provide 3A, 5A and 7.5A with higher efficiency than currently available devices. 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 a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the output voltage to 1%. Current limit is also trimmed, minimizing the stress on both the regulator and power source circuitry under overload conditions. The LT1083 series devices are pin compatible with older three-terminal regulators. A 10 μF output capacitor is required on these new devices; however, this is usually included in most regulator designs. Unlike PNP regulators, where up to 10% of the output current is wasted as quiescent current, the LT1083 quies- cent current flows into the load, increasing efficiency. 3A, 5A, 7.5A Low Dropout Positive Fixed Regulators ■ High Efficiency Linear Regulators ■ Post Regulators for Switching Supplies ■ Constant Current Regulators ■ Battery Chargers 5V, 7.5A Regulator Dropout Voltage vs Output Current FEATURES DESCRIPTIO APPLICATIO S TYPICAL APPLICATIO VIN ≥ 6.5V 5V AT 7.5A LT1083-5 LT1083/4/5 TA01 22 μF* TANTALUM + 10 μF + *REQUIRED FOR STABILITY OUTPUT CURRENT (A) 0 2 1 0 1083/4/5 TA02 IFULLLOAD/2 IFULLLOAD , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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