TPS7A8300ARGWR

1 Features

• Low Dropout: 200 mV (max) at 2 A 

• 0.75% (max) Accuracy Over Line, Load, and Temperature With BIAS

• Output Voltage Noise:

– 4.4 µVRMS at 0.8-V Output

– 7.7 µVRMS at 5.2-V Output

• Input Voltage Range:

– Without BIAS: 1.4 V to 6.5 V – With BIAS: 1.1 V to 6.5 V

• ANY-OUT™ Operation:

– Output Voltage Range: 0.8 V to 3.95 V 

• Adjustable Operation:

– Output Voltage Range: 0.8 V to 5.2 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

• Stable with a 22-µF or Larger Ceramic Output Capacitor

• θJC = 3.4°C/W

• Packages, 20-Pin VQFN:

– 3.5 mm × 3.5 mm (RGR)

– 5 mm × 5 mm (RGW)

2 Applications

• Digital Loads: SerDes, FPGAs, and DSPs

• Instrumentation, Medical, and Audio

• High-Speed Analog Circuits:

– VCO, ADC, DAC, and LVDS

• Imaging: CMOS Sensors and Video ASICs

• Test and Measurement

3 Description

The TPS7A83A device is a low-noise (4.4 µVRMS), low-dropout, linear regulator (LDO) capable of sourcing 2 A with only 200 mV of maximum dropout.The device output voltage is pin-programmable from 0.8 V to 3.95 V and adjustable from 0.8 V to 5.2 V using an external resistor divider.

The combination of low noise (4.4 µVRMS), high PSRR, and high output current capability makes the TPS7A83A ideal to power noise-sensitive components such as those found in high-speed communications, video, medical, or test and measurement applications. The high performance of the TPS7A83A limits power-supply-generated phase noise and clock jitter, making this device ideal for powering high-performance serializer and deserializer (SerDes), analog-to-digital converters (ADCs), digitalto-analog converters (DACs), and RF components. Specifically, RF amplifiers benefit from the highperformance and 5.2-V output capability of the device.

For digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input voltage, low-output (LILO) voltage operation, the exceptional accuracy (0.75% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A83A ensure optimal system performance.

The versatility of the TPS7A83A makes the device a component of choice for many demanding applications.

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