1 Features

• Ultra-low output noise:

– 0.5 μVRMS (typ, 10 Hz to 100 kHz)

• High power-supply ripple rejection (PSRR):

– 94 dB at 100Hz

– 104 dB at 1 kHz

– 76 dB at 10 kHz

– 58 dB at 100 kHz

– 48 dB at 1 MHz

• Accuracy over line, load, and temperature: 1

• Low dropout: 160 mV at 2 A

• Wide input voltage range: 1.9 V to 5.7 V

• Wide output voltage range: 0.4 V to 5.5 V

• Parallelable for lower noise and higher current

• Fast transient response

• Precision enable and UVLO

• Programmable current limit

• Programmable PG threshold

• Adjustable start-up inrush control

• Open-drain, power-good (PG) output

• Package: 3.00-mm × 3.00-mm, 10-pin WSON:

– JEDEC RθJA: 46.1°C/W

– EVM RθJA: 25.6°C/W

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

3 Description

The TPS7A96 is an ultra-low noise (0.5 μVRMS), lowdropout

(LDO) voltage regulator capable of sourcing

2 A with only 200 mV of dropout. The low dropout,

in conjunction with a wide bandwidth error amplifier,

allows for very high PSRR (104 dB at 1 kHz and

48 dB at 1 MHz) under low operating headroom

(500 mV) and high output current (1.75 A).

The device output is adjustable from 0.4 V to

5.5 V with an external resistor. With the wide

input voltage range, the device supports operation

as low as 1.9 V and up to 5.7 V. The device

includes a programmable current limit, programmable

PG threshold, and precision enable, allowing better

control in the application.

With the high-accuracy reference and wide-bandwidth

topology, the device can be easily paralleled to

achieve lower noise and higher current.

With 1 output voltage accuracy (over line, load,

and temperature) and soft-start capabilities to reduce

inrush current, the device is designed for powering

sensitive analog low-voltage devices.