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 quiescent current
- 17µA (typ) at light loads
- 5µA (max) when disabled
- Low dropout voltage of 475mV (max) at 450mA (VOUT ≥ 3.3V)
- 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
Related Development Tool
Texas Instruments MLTLDO2EVM-037 Regulator Evaluation Module (EVM)
Evaluates the operation and performance of linear regulators for use in their circuit application.