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150-mA, nano-IQ, low-dropout voltage regulator with enable from -40°C to +125°C

TPS78218DRVR General Description

The TPS78218DRVR from Texas Instruments offers a reliable and efficient solution for voltage regulation in a compact package. With an input voltage range of 2.7V to 5.5V, this low-dropout voltage regulator provides a fixed output voltage of 1.8V with high accuracy. Its low dropout voltage of typically 200mV at 150mA load ensures stable performance even in challenging conditions. Additionally, the device boasts a low quiescent current of 22μA at no load, making it suitable for applications where power consumption is a concern. The TPS78218DRVR also features a shutdown mode and protection mechanisms such as thermal shutdown and overcurrent protection for added reliability. Its small form factor and minimal external component count make it an ideal choice for space-constrained designs, especially in portable and battery-powered devices

Key Features

  • Low IQ: 500 nA
  • 150-mA, Low-Dropout Regulator
  • Input Voltage Range: 2.2 V to 5.5 V
  • Low-Dropout at 25°C, 130 mV at 150 mA
  • Low-Dropout at 85°C, 175 mV at 150 mA
  • 3% Accuracy Over Load, Line, and Temperature
  • Stable with a 1.0-µF Ceramic Capacitor
  • Thermal Shutdown and Overcurrent Protection
  • CMOS Logic Level-Compatible Enable Pin
  • Available in DDC (TSOT23-5) or DRV
    (2-mm x 2-mm SON-6) Packages


Output options Fixed Output Iout (max) (A) 0.15
Vin (max) (V) 5.5 Vin (min) (V) 2.2
Vout (max) (V) 3.6 Vout (min) (V) 1.8
Fixed output options (V) 1.8, 2.2, 2.3, 2.5, 2.7, 2.8, 3, 3.3, 3.6 Noise (µVrms) 86
Iq (typ) (mA) 0.0005 Thermal resistance θJA (°C/W) 66
Rating Catalog Load capacitance (min) (µF) 1
Regulated outputs (#) 1 Features Enable, Output discharge
Accuracy (%) 3 PSRR at 100 KHz (dB) 13
Dropout voltage (Vdo) (typ) (mV) 130 Operating temperature range (°C) -40 to 125

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