Texas Instruments TPS7A8401ARGRR
- Part Number:
- TPS7A8401ARGRR
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6410303-TPS7A8401ARGRR
- Description:
- 3-A, low-VIN (1.1-V), low-noise, high-accuracy, ultra-low-dropout voltage regulator with power good
- Datasheet:
- tps7a84a
- Output optionsAdjustable Output
- Iout (max) (A)3
- Vin (max) (V)6.5
- Vin (min) (V)1.1
- Vout (max) (V)5.15
- Vout (min) (V)0.5
- Noise (μVrms)4.4
- Iq (typ) (mA)2.8
- Thermal resistance θJA (°C/W)43
- RatingCatalog
- Load capacitance (min) (μF)47
- Regulated outputs (#)1
- FeaturesEnable
- Accuracy (%)0.75
- PSRR at 100 KHz (dB)25
- Dropout voltage (Vdo) (typ) (mV)110
- Operating temperature range (°C)-40 to 125
The TPS7A84A is a low-noise, low-dropout linear regulator (LDO) capable of sourcing 3 A with only 180-mV of maximum dropout. The device is offered in two output voltage ranges. The TPS7A8400A output voltage is pin-programmable from 0.8 V to 3.95 V, with a 50-mV resolution, and adjustable from 0.8 V to 5.15 V using an external resistor divider. The TPS7A8401A output voltage is pin-programmable from 0.5 V to 2.075 V, with a 25-mV resolution, and adjustable from 0.5 V to 5.15 V using an external resistor divider.
The combination of low-noise, high-PSRR, and high output-current capability makes the TPS7A84A 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 TPS7A84A 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), digital-to-analog converters (DACs), and RF components. Specifically, RF amplifiers benefit from the high-performance and > 5-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 line, load, and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A84A ensure optimal system performance.
The versatility of the TPS7A84A makes the device a component of choice for many demanding applications.
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