TPS7B4255-Q1
Automotive, 70-mA, 40-V, Voltage-Tracking LDO With 5-mV Tracking Tolerance

1 Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
- Junction temperature: –40°C to +150°C, T_J
Wide input operating voltage range (3 V to 40 V):
- Absolute maximum input voltage range:
  –40 V to +45 V
Wide output voltage range: 2 V to 40 V
Maximum output current: 70 mA
Very-tight, output-tracking tolerance: 5 mV (max)
Low dropout voltage: 500 mV (max) at 70 mA
Combined reference and enable functionalities
Low quiescent current at light load: 35 μA
Wide C_OUT and ESR range:
- Stable with 1-µF to 200-µF ceramic output capacitor, 1-mΩ to 3-Ω ESR
Integrated protection features:
- Reverse current protection
- Reverse polarity protection
- Overtemperature protection
- Protection against output short-circuit to ground and supply
Available in two 5-pin SOT-23 packages:
- Standard SOT-23 (DBV)
- Thermally enhanced SOT-23 (DYB)