TPS7B4255 70-mA, 40-V, Voltage-Tracking LDO With Voltage-Buffering Capability

1 Features

Wide input operating voltage range (3 V to 40 V):
- Absolute maximum input range: –40 V to +45 V
Wide output voltage range: 2 V to 30 V
Very-tight, output-tracking tolerance: 5 mV (max)
Low dropout voltage: 500 mV (max) at 70 mA
Reverse polarity protection
Reverse current protection
Combined reference and enable input
Low quiescent current at light loads (100-μA load):
- 50 μA (max)
Wide ESR range:
- Stable with 1-µF to 200-µF ceramic output capacitor, 1-mΩ to 3-Ω ESR
Overtemperature protection
Output short-circuit protection to ground and supply
Junction temperature: –40°C to +150°C, T_J
Available in 5-pin SOT-23 DBV package
Buffers signals up to 1 kHz (see the Signal-Buffering LDO section)