參數(shù)資料
    型號(hào): TK11223BMIL
    廠商: TOKO Inc.
    英文描述: VOLTAGE REGULATOR WITH ON/OFF SWITCH
    中文描述: 調(diào)壓器ON / OFF開(kāi)關(guān)
    文件頁(yè)數(shù): 1/24頁(yè)
    文件大小: 157K
    代理商: TK11223BMIL
    October 1999 TOKO, Inc.
    Page 1
    TK112xxB
    FEATURES
    I
    High Voltage Precision at
    ±
    2.0%
    I
    Active High On/Off Control
    I
    Very Low Dropout Voltage 80 mV at 30 mA
    I
    Very Low Noise
    I
    Very Small SOT-23L or SOT-89 Surface Mount
    Packages
    I
    Internal Thermal Shutdown
    I
    Short Circuit Protection
    APPLICATIONS
    I
    Battery Powered Systems
    I
    Cellular Telephones
    I
    Pagers
    I
    Personal Communications Equipment
    I
    Portable Instrumentation
    I
    Portable Consumer Equipment
    I
    Radio Control Systems
    I
    Toys
    I
    Low Voltage Systems
    BLOCK DIAGRAM
    TK112xxB
    GND
    CONTROL
    VOUT
    VIN
    NOISE BYPASS
    GND
    VOUT
    GND
    NOISE BYPASS
    GND
    CONTROL
    VIN
    DESCRIPTION
    The TK112xxB is a low dropout linear regulator with a built-
    in electronic switch. The internal switch can be controlled
    by TTL or CMOS logic levels. The device is in the “on” state
    when the control pin is pulled to a logic high level. An
    external capacitor can be connected to the noise bypass
    pin to lower the output noise level to 30
    μ
    Vrms.
    An internal PNP pass transistor is used to achieve a low
    dropout voltage of 80 mV (typ.) at 30 mA load current. The
    TK112xxB has a very low quiescent current of 170
    μ
    A at
    no load and 1 mA with a 30 mA load. The standby current
    is typically 100 nA. The internal thermal shut down circuitry
    limits the junction temperature to below 150
    °
    C. The load
    current is internally monitored and the device will shut
    down in the presence of a short circuit or overcurrent
    condition at the output.
    The TK112xxB is available in either a 6-pin SOT-23L or a
    5-pin SOT-89 surface mount package.
    ORDERING INFORMATION
    TAPE/REEL CODE
    L: Tape Left (SOT-23L)
    B: Tape Left (SOT-89)
    TEMP. CODE:
    C: -30 to +80 C
    I: -40 to +85 C
    Tape/Reel Code
    TK112 B
    Voltage Code
    Package Code
    PACKAGE CODE:
    M: SOT-23L
    U: SOT-89
    1.3 V to 1.9 V available
    1.3 V to 2.4 V available
    VOLTAGE CODE
    13 = 1.3 V
    14 = 1.4 V
    15 = 1.5 V
    16 = 1.6 V
    17 = 1.7 V
    18 = 1.8 V
    19 = 1.9 V
    20 = 2.0 V
    21 = 2.1 V
    22 = 2.2 V
    23 = 2.3 V
    24 = 2.4 V
    25 = 2.5 V
    26 = 2.6 V
    27 = 2.7 V
    28 = 2.8 V
    29 = 2.9 V
    30 = 3.0 V
    31 = 3.1 V
    32 = 3.2 V
    33 = 3.3 V
    34 = 3.4 V
    35 = 3.5 V
    36 = 3.6 V
    37 = 3.7 V
    38 = 3.8 V
    39 = 3.9 V
    40 = 4.0 V
    41 = 4.1 V
    42 = 4.2 V
    43 = 4.3 V
    44 = 4.4 V
    45 = 4.5 V
    46 = 4.6 V
    47 = 4.7 V
    48 = 4.8 V
    49 = 4.9 V
    50 = 5.0 V
    55 = 5.5 V
    80 = 8.0 V
    Temp. Code
    20P
    NOISE
    VIN
    VOUT
    PTHERMAL
    BANDGAP
    CONTROL
    GND
    SOT-23L
    SOT-89
    VOLTAGE REGULATOR WITH ON/OFF SWITCH
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