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具有使能功能的 250mA、超低 IQ、低压降稳压器
Output options Fixed Output
Iout (Max) (A) 0.25
Vin (Max) (V) 5.5
Vin (Min) (V) 2
Vout (Max) (V) 5
Vout (Min) (V) 1
Fixed output options (V) 1, 1.05, 1.1, 1.5, 1.8, 1.85, 1.9, 2.5, 2.7, 2.8, 2.85, 3, 3.3, 4.8, 5
Noise (uVrms) 33.5
Iq (Typ) (mA) 0.008
Thermal resistance θJA (°C/W) 160
Rating Catalog
Load capacitance (Min) (μF) 1
Regulated outputs (#) 1
Features Enable, Soft start
Accuracy (%) 2
PSRR @ 100 KHz (dB) 45
Dropout voltage (Vdo) (Typ) (mV) 130
Operating temperature range (C) -40 to 125
  • Very Low Dropout:
    • 65 mV Typical at 100 mA
    • 130 mV Typical at 200 mA
    • 163 mV Typical at 250 mA
  • 2% Accuracy Over Load, Line, Temperature
  • Ultralow IQ: 7.9 μA
  • Excellent Load Transient Performance:±50 mV for
    200 mA Loading and Unloading Transient
  • Available in Fixed-Output Voltages From 0.9 V to
    5 V Using Innovative Factory EEPROM Programming
  • High PSRR: 70 dB at 1 kHz
  • Stable with a 1.0-μF Ceramic Capacitor
  • Thermal Shutdown and Overcurrent Protection
  • Available in 4-Ball, 0.4-mm Pitch Wafer-Level
    Chip Scale and 1.5-mm × 1.5-mm SON Packages

The TPS727 family of low-dropout (LDO) linear regulators are ultralow quiescent current LDOs with excellent line and ultra-fast load transient performance and are designed for power-sensitive applications. The LDO output voltage level is preset by the use of innovative factory EEPROM programming. A precision band-gap and error amplifier provides overall 2% accuracy over load, line, and temperature extremes. The TPS727 family is available in 1.5-mm × 1.5-mm SON and wafer chip-scale (WCSP) packages that make the devices ideal for handheld applications. This family of devices is fully specified over a temperature range of TJ = –40°C to +125°C.