TPS7A4701RGWT Part Information

Details for TPS7A4701RGWT by Texas Instruments

Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators

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Part Description

The TPS7A47 is a family of positive voltage (+36 V), ultralow-noise (4 µVRMS) low-dropout linear regulators (LDO) capable of sourcing a 1-A load. The TPS7A4700 output voltages are userprogrammable (up to 20.5 V) using a printed circuit board (PCB) layout without the need of external resistors or feed-forward capacitors, thus reducing overall component count. The TPS7A4701 output voltage can be configured with a user-programmable PCB layout (up to 20.5 V), or adjustable (up to 34 V) with external feedback resistors. The TPS7A47 is designed with bipolar technology primarily for high-accuracy, high-precision instrumentation applications where clean voltage rails are critical to maximize system performance. This feature makes the device ideal for powering operational amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other high-performance analog circuitry in critical applications such as medical, radio frequency (RF), and test-and-measurement. In addition, the TPS7A47 is ideal for post dc-dc converter regulation. By filtering out the output voltage ripple inherent to dc-dc switching conversions, maximum system performance is ensured in sensitive instrumentation, test-andmeasurement, audio, and RF applications. For applications where positive and negative lownoise rails are required, consider TI's TPS7A33 family of negative high-voltage, ultralow-noise linear regulators.

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Part Features

  • Available in High-Performance Thermal Package: 5-mm u00d7 5-mm QFN
  • Built-In Fixed Current Limit and Thermal Shutdown
  • CMOS Logic Level-Compatible Enable Pin
  • Dropout Voltage: 307 mV at 1 A
  • Input Voltage Range: +3 V to +36 V
  • Operating Temperature Range:
  • Output Current: 1 A
  • Output Voltage Noise: 4 u00b5VRMS (10 Hz, 100 kHz)
  • Power-Supply Ripple Rejection: u2013 82 dB (100 Hz) u2013 u2265 55 dB (10 Hz, 10 MHz)
  • Two Output Voltage Modes: u2013 ANY-OUTu2122 Version (User-Programmable Output via PCB Layout): u2013 No External Feedback Resistors or Feed- Forward Capacitors Required u2013 Output Voltage Range: +1.4 V to +20.5 V u2013 Adjustable Version (TPS7A4701 only): u2013 Output Voltage Range: +1.4 V to +34 V

Part Specifications

Output Type Adjustable
Input Voltage Min 3V
Input Voltage Max 36V
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min 1.4V
Adjustable Output Voltage Max 34V
Output Current 1A
Dropout Voltage Vdo 307mV
LDO Regulator Case Style VQFN
No. of Pins 20Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Output Voltage Max 34V
Output Voltage Min 1.4V
RoHS Compliant

Alternative Part Descriptions

  • LDO, ADJ, 1.4V-34V, 1A, VQFN-20 | Newark Electronics
  • 1-A, 36-V, low-noise, high-PSRR, low-dropout voltage regulator with enable | Texas Instruments

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