text.skipToContent text.skipToNavigation


Automotive 300-mA high-voltage ultra-low-IQ low-dropout (LDO) linear regulator

Availability: 250


Package | PIN: TO-252 (KVU) | 5
Temp: S (-40 to 150)
Package qty | Carrier: 2,500 | LARGE T&R
Qty Price
1-99 $1.63
100-249 $1.42
250-999 $0.97
1,000+ $0.73


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C ≤TA ≤ 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Extended Junction Temperature Range:
    –40°C ≤ TJ ≤ 150°C
  • Low Quiescent Current IQ:
    • 300-nA Shutdown IQ
    • 2.7 µA Typical at Light Loads
    • 5 µA Maximum at Light Loads
  • 3-V to 40-V Wide VIN Input Voltage Range With up to 45-V Transient
  • Maximum Output Current: 300 mA
  • 2% Output-Voltage Accuracy
  • Maximum Dropout Voltage: 700 mV at 200-mA Load Current for Fixed 5-V Output Version
  • Stable With Low-ESR (0.001-Ω to 5-Ω) Ceramic Output-Stability Capacitor (1 µF to 200 µF)
  • Fixed 5-V and 3.3-V Output Voltage
  • Thermal Resistance (RθJA): 63.9°C/W
  • Packages:
    • 8-Pin HVSSOP, RθJA =63.9°C/W
    • 6-Pin WSON, RθJA = 72.8°C/W
    • 5-Pin TO-252, RθJA =38.8°C/W

All trademarks are the property of their respective owners.

Texas Instruments  PS7B8233QKVURQ1

In automotive battery-connected applications, low quiescent current(IQ) is important to save power and extend battery lifetime. It isespecially necessary to have ultralow IQ for always-on systems.

The TPS7B82-Q1 is a low-dropout linear regulator designed to operate with a wideinput-voltage range from 3 V to 40 V (45-V load dump protection). Operation down to 3 V allows theTPS7B82-Q1 to continue operating during cold-crank and start and stop conditions. With only 2.7-µAtypical quiescent current at light load, this device is an optimal solution for poweringmicrocontrollers (MCUs) and CAN/LIN transceivers in standby systems.

The device features integrated short-circuit and overcurrent protection. This deviceoperates in ambient temperatures from –40°C to 125°C and with junction temperatures from –40°C to150°C. Additionally, this device uses a thermally conductive package to enable sustained operationdespite significant dissipation across the device. Because of these features, the device is wellsuited as a power supply for various automotive applications.