LT1963AE Datasheet

PMIC - Voltage Regulators - Linear (LDO)


The LT1963AE seriesarelowdropoutregulatorsoptimized for fast transient response. The devices are capable of supplying 1.5A of output current with a drop outvoltage of 340mV.Operating quiescent current is 1mA, dropping to <1&micro;Ainshutdown. Quiescent currentiswell controlled; it does not rise in dropout a sit does with many other regulators. In addition to fast transient response, the LT1963AE regulators have very lowoutput noise which makes them ideal for sensitive RF supply applications. Output voltage range is from 1.21V to 20V. The LT1963AE regulators are stable with output capacitors as low as 10&micro;F. Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection. The devices are available in fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustable device with a 1.21V reference voltage. LT1963AE Features &bull; Optimized for Fast Transient Response&bull; Output Current: 1.5A&bull; Dropout Voltage: 340mV&bull; Low Noise: 40&micro;VRMS (10Hz to 100kHz)&bull; 1mA Quiescent Current&bull; No Protection Diodes Needed&bull; Controlled Quiescent Current in Dropout&bull; Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V&bull; Adjustable Output from 1.21V to 20V&bull; <1&micro;A Quiescent Current in Shutdown&bull; Stable with 10&micro;F Output Capacitor*&bull; Stable with Ceramic Capacitors*&bull; Reverse Battery Protection&bull; No Reverse Current&bull; Thermal Limiting&bull; 5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages LT1963AE Applications &bull; 3.3V to 2.5V Logic Power Supplies&bull; Post Regulator for Switching Supplies


[{"Name":"Voltage - Input","Value":"2.1 V ~ 20 V"},{"Name":"Voltage - Output","Value":"1.21 V ~ 20 V"},{"Name":"Voltage - Dropout (Typical)","Value":"0.34V @ 1.5A"},{"Name":"Current - Output","Value":"1.5A"},{"Name":"Current - Limit (Min)","Value":"1.6A"},{"Name":"Operating Temperature","Value":"-40°C ~ 125°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

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