Texas Instruments TPS7E82 LDO Linear Voltage Regulator

Texas Instruments TPS7E82 Low-Dropout (LDO) Linear Voltage Regulator is a low quiescent current device and supports a wide input voltage range of 3V to 40V. The wide output range is 1.2V to 38V for the adjustable configuration, 1.8V to 12V for the fixed configuration, and a load current of up to 300mA is supported. With a quiescent current of only 2.8µA at no load, the device is designed to power microcontrollers and other low-power loads in battery-powered applications.

The TPS7E82 supports very tight DC accuracy of ±1.2% over line, load, and temperature range. The device responds quickly to line and load transients. The low quiescent current (2.8µA typically) during regulation and controlled I_Q, even in dropout operation (12µA typically in no-load dropout), makes this device well-suited for battery-powered or always-on systems that require very little idle-state power dissipation.

The TPS7E82 supports a low dropout voltage of typically 900mV at 300mA of load current. The device has built-in protection mechanisms against overcurrent, overtemperature, and overpower conditions to ensure reliable LDO operation. The Texas Instruments TPS7E82 is stable with an output capacitor range of 4.7µF to 100µF.

Features

3.0V to 40V (42V max.) input voltage range
Available output voltage options
- Fixed: 1.8V to 12V
- Adjustable: 1.2V to 38V
Up to 300mA of output current
±1.2% accuracy across line, load, and temperature
2.8µA at I_OUT = 0mA ultra-low I_Q
Stable with 4.7µF or larger ceramic capacitors with an ESR range of 0Ω to 1Ω

900mV (typ.) at 300mA dropout voltage
High PSRR
- 70dB at 1kHz
- 45dB at 100kHz
Over-current, over-power, and over-temperature limiting
Packages
- 5-pin SOT-23 (DBV) [R_θJA: 190.9°C/W]
- 6-pin WSON (DRV) [R_θJA: 90.2°C/W]
–40°C to +125°C operating junction temperature