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CST9201

    CST9201系列是一款高压、超低功耗、低压差稳压器。该装置可以提供350mA输出电流,压降为350mV,允许输入电压高达55V。典型的静态电流只有2µA。该装置的固定输出电压为1.8,2.5,2.8,3.0,3.3,3.6,4.0,4.2,4.4和5.0V。该装置具有集成短路保护、热关机保护和CE功能,可以关闭输出。虽然主要设计为固定电压调节器,但限制器的反馈电路也可以作为输出电流限制的保护,该装置可以与外部组件一起使用,以获得可变电压。
    CST9201 Description:
        The CST9201 series is a high voltage,ultralow-power,low dropout voltage regulator. The device can deliver 350mA output current with a dropout voltage of 350mV and allows an input voltage as high as 55V. The typical quiescent current is only 2µA. The device is available in fixed output voltages of 1.8,2.5,2.8,3.0,3.3,3.6,4.0,4.2,4.4 and 5.0V.The device features integrated short-circuit protection、thermal shutdown protection and CE function enables the output to be turned off.Although designed primarily as fixed voltage regulators, The limiter‘s feedback circuit also operates as a protect for the output current limite, the device can be used with external components to obtain variable voltages.

    CST9201 Features:
    Low Power Consumption: 2µA (Typ) 
    Maximum Output Current: 350mA Protection
    Small Dropout Voltage 
        350mV@100mA (Vout=3.3V)
    PSRR=85dB@1KHz 
    High Input Voltage: Up to 55V
    High Accurate: ±2%
        (±1% customized)
    RoHS Compliant and Lead (Pb) Free 
    Good Transient Response
    Integrated Short-Circuit 
    Over-Temperature Protection
    Output Current Limit
    Stable with Ceramic Capacitor
    Support Fixed Output Voltage
        1.8,2.5,2.8.3.0,3.3,3.6,4.0,4.2 and 5.0V
    Available Package
        SOT23-5 \ SOT89-5

    CST9201 Application:
    Portable, Battery Powered Equipment
    Battery-powered equipment
    Weighting Scales
    Smoke detector and sensor
    Audio/Video Equipmen
    Home Automation

    CST9201 Application Circuits:


    CST9201 Pin Configuration:


    CST9201 Order Information:
    CST9201①②-③④⑤

    Designator

    Symbol

    Description

    ①②

    S5 / P5

    SOT23-5L / SOT89-5L

    ③④
    Integer

    Output Voltage 1.8,2.5,2.8.3.0,3.3,3.6,4.0,4.2 and 5.0V

    A

    Accurate ±1% customized

    B

    Accurate ±2%


    Model
    Marking**
    Description
    Package
    T/R Qty
    CST9201S5-XX
    AH=XX

    CST9201 55V;2µA IQ,

    350mA Low-Dropout LDO ±2%

    SOT23-5L

    3,000 PCS

    CST9201P5-XX
    AHXXC
    SOT89-5L

    1,000 PCS

    CST9201S5-XX
    AH-XX

    CST9201 55V;2µA IQ,

    SOT23-5L

    3,000 PCS

    CST9201P5-XX
    AHXXG

    350mA Low-Dropout LDO ±1%

    SOT89-5L

    1,000 PCS


    CST9201 Function Block Diagram:
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