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UM165xx
ACTIVE

Key Specifications
Product Description
Features
Applications
Pin Configurations
Ordering Information
Key Specifications
  • Part Number

    UM165xx

  • Description

    300mA, Micropower, VLDO Linear Regulator

  • Status

    ACTIVE

  • Output Options

    Fixed

  • Iout(Max) (mA)

    300

  • Vin(Min) (V)

    2.5

  • Vin(Max) (V)

    6

  • Vout (Min) (V)

    2.8

  • Vout (Max) (V)

    3.3

  • Fixed output options (V)

    2.8, 3.3

  • Iq (uA)

    90

  • Vdropout (mV)

    90

  • PSRR@1kHz (dB)

    65

  • Enable Control

    No

  • Auto-Discharge

    No

  • Operating Temperature Range (℃)

    -40 to 85

  • Package

    SOT23-3

  • Product Description

    The UM165xx series are VLDO (very low dropout) linear regulators designed for low power portable applications. Maximum dropout is just 90mV at the load current of 150mA.The internal P-channel MOSFET pass transistor requires no base current, allowing the device to draw only 100μA during normal operation at the maximum load current of 300mA.

    Other features include high output voltage accuracy, excellent transient response, under voltage lockout, stability with ultralow ESR ceramic capacitors as small as 1μF, reverse-battery protection, short-circuit and thermal overload protection and output current limiting.

    Features

    - Very Low Dropout: 90mV (Max) at 150mA

    - Maximum Input Voltage: 6.0V

    - ±2% Voltage Accuracy at 150mA

    - Fast Transient Response

    - Under Voltage Lockout

    - Fixed Output Voltage: 3.3V/2.8V

    - Output Current Limit

    - Reverse-Battery Protection

    - No Protection Diodes Needed

    - Stable with 1μF Output Capacitor

    - Short-Circuit and Thermal Overload Protection

    - Low Profile SOT23-3 Package

    Applications

    - Bluetooth/802.11 Cards

    - PDAs and Notebook Computers

    - Portable Instruments and Battery-Powered Systems

    - Cellular Phones

    Pin Configurations
    Ordering Information
    Part NumberPackaging TypeMarking CodeShipping Qty
    UM16528SOT23-353Q3000pcs/7Inch Tape & Reel
    UM16533SOT23-353U3000pcs/7Inch Tape & Reel