1 Features • Low dropout: 180 mV (maximum) at 3 A with BIAS • 0.75% (maximum) accuracy over line, load, and temperature with BIAS • Output voltage noise: 4.4 µVRMS • Input voltage range: – Without BIAS: 1.4 V to 6.5 V – With BIAS: 1.1 V to 6.5 V • TPS7A8400A output voltage range: – Adjustable operation: 0.8 V to 5.15 V – ANY-OUT™ operation: 0.8 V to 3.95 V • TPS7A8401A output voltage range: – Adjustable operation: 0.5 V to 5.15 V – ANY-OUT™ operation: 0.5 V to 2.075 V • Power-supply ripple rejection: – 40 dB at 500 kHz • Excellent load transient response • Adjustable soft-start in-rush control • Open-drain power-good (PG) output 2 Applications • Macro remote radio units (RRU) • Outdoor backhaul units • Active antenna system mMIMO (AAS) • Ultrasound scanners • Lab and field instrumentation • Sensor, imaging, and radar TPS7A8400(01)A 50 mV (25 mV) GND 100 mV (50 mV) 200 mV (100 mV) 400 mV (200 mV) 800 mV(400 mV) 1.6 V (0.8 V)