LT1965EMS8E#PBF

The LT®1965 series are lownoise, lowdropout linearregulators. The devices supply 1.1A of output current with a
310mVtypicaldropoutvoltage. Operatingquiescentcurrent
is 500µA for the adjustable version, reducing to <1µA in
shutdown. Quiescent current iswell controlled; it does not
rise in dropout aswithmany otherregulators. The LT1965
regulators have very low output noise which makes them
ideal for sensitive RF and DSP supply applications.
Output voltage ranges from 1.20V to 19.5V. The LT1965
regulators are stable with output capacitors as low as
10µF. Internalprotectioncircuitry includes reverse-battery
protection, current limiting with foldback, thermal limiting and reverse-current protection. The LT1965 series
are available in fixed output voltages of 1.5V, 1.8V, 2.5V,
3.3V, and as an adjustable device with a 1.20V reference
voltage. The package offerings include the 5-lead TO-220,
5-lead DD-Pak as well as the thermally enhanced 8-lead
MSOP and lowprofile (0.75mm) 8-lead 3mm× 3mmDFN.


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    SPECIFICATION

    Output Current: 1.1A
    Dropout Voltage: 310mV
    Low Noise: 40µVRMS (10Hz to 100kHz)
    500µA Quiescent Current (Adjustable Version)
    Wide Input Voltage Range: 1.8V to 20V
    No Protection Diodes Needed
    Controlled Quiescent Current in Dropout
    Adjustable Output from 1.20V to 19.5V
    Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V
    < 1µA Quiescent Current in Shutdown
    Stable with 10µF Output Capacitor
    Stable with Ceramic or Tantalum Capacitors
    Reverse-Battery Protection
    No Reverse Current
    Current Limit with Foldback Protection
    Thermal Limiting
    5-Lead TO-220, DD-Pak, Thermally Enhanced 8-Lead
    MSOP and 8-Lead 3mm × 3mm DFN Packages