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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps7b86-q1″>View Datasheet

Texas Instruments TPS7B86-Q1 40V Adjustable Low-Dropout Regulators

Texas Instruments TPS7B86-Q1 40V Adjustable Low-Dropout Regulators are designed to connect to the battery in automotive applications. The TPS7B86-Q1 features an input voltage range extending to 40V, which allows the device to withstand transients (such as load dumps) anticipated in automotive systems.

The TI TPS7B86-Q1 Adjustable LDO Regulators are an optimal solution for powering always-on components such as microcontrollers (MCUs) and controller area network (CAN) transceivers in standby systems, with only a 17µA quiescent current at light loads.

The TPS7B86-Q1 has a state-of-the-art transient response that permits the output to quickly react to changes in load or line (for example, during cold-crank conditions). Additionally, the regulator has a novel architecture that minimizes output overshoot when recovering from a dropout. During normal operation, the device has a tight DC accuracy of ±0.85% over line, load, and temperature.

The TPS7B86-Q1 Regulators are available in thermally conductive packaging to allow the device components to transfer heat to the circuit board efficiently.

Features

  • AEC-Q100 qualified for automotive applications:
    • –40°C to +125°C, TA Temperature grade 1
    • –40°C to +150°C, TJ Junction temperature
  • 3V to 40V (42V max) Input voltage range
  • Output voltage range:
    • Adjustable output 1.2V to 18V
    • Fixed 3.3V and 5V output
  • 500mA maximum output current
  • ±0.85% (max) Output voltage accuracy
  • Low dropout voltage:
    • 475mV (max) at 450mA (VOUT ≥ 3.3V)
  • Low quiescent current:
    • 17µA (typ) at light loads
    • 5µA (max) when disabled
  • Excellent line transient response:
    • ±2% VOUT deviation during cold-crank
    • ±2% VOUT deviation (1V/µs VIN slew rate)
  • Power-good with a programmable delay period
  • Stable with a 2.2µF or larger capacitor
  • Package options:
    • 29.7°C/W RθJA 5-pin TO-252 package
    • 41.8°C/W RθJA 8-pin HSOIC-8 package with a thermal pad

Applications

  • Always-on battery-connected applications:
    • Automotive gateways
    • Remote keyless entries (RKE)
  • Reconfigurable instrument clusters
  • Body control modules (BCM)

Adjustable Output Voltage

Texas Instruments TPS7B86-Q1 40V Adjustable Low-Dropout Regulators

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Texas Instruments TPS7B86-Q1 40V Adjustable Low-Dropout Regulators