• TPS7A8901RTJT WQFN-20
TPS7A8901RTJT WQFN-20

TPS7A8901RTJT

LDO Voltage Regulators 2-A, low-noise, high-accuracy, dual-channel adjustable ultra-low-dropout voltage regulator 20-QFN -40 to 125

Inventory:5,303

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  • Part Number : TPS7A8901RTJT

  • Package/Case : WQFN-20

  • Brands : Texas Instruments

  • Components Categories : Voltage Regulators - Linear

  • Datesheet : TPS7A8901RTJT DataSheet (PDF)

Quick Inquiry

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Overview of TPS7A8901RTJT

The TPS7A89 is a dual, low-noise (3.8 µVRMS), low-dropout (LDO) voltage regulator capable of sourcing 2 A per channel with only 400 mV of maximum dropout.

The TPS7A89 provides the flexibility of two independent LDOs and approximately 60% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.2 V. The wide input-voltage range of the TPS7A89 supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A89 is ideal for powering sensitive analog low-voltage devices [such as voltage-controlled oscillators (VCOs), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), high-end processors, and field-programmable gate arrays (FPGAs)].

The TPS7A89 is designed to power noise-sensitive components such as those found in high-speed communication, video, medical, or test and measurement applications. The very low 3.8-µVRMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize the performance of clocking devices, ADCs, and DACs.

TPS7A8901RTJT

Key Features

  • Two Independent LDO Channels
  • 4-mm × 4-mm, 20-Pin WQFN Package
  • Low Output Noise: 3.8 µVRMS (10 Hz to 100 kHz)
  • Low Dropout: 180 mV (typ) at 2 A
  • Wide Input Voltage Range: 1.4 V to 6.5 V
  • Wide Output Voltage Range: 0.8 V to 5.2 V
  • High Power-Supply Rejection Ratio (PSRR):
    • 75 dB at DC
    • 40 dB at 100 kHz
    • 40 dB at 1 MHz
  • 1.0% Accuracy Over Line, Load, and Temperature
  • Excellent Load Transient Response
  • Adjustable Start-Up In-Rush Control
  • Selectable Soft-Start Charging Current
  • Independent Open-Drain Power-Good (PGx) Outputs
  • Stable with a 10 µF or Larger Ceramic Output Capacitor

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options Adjustable Output Iout (max) (A) 2
Vin (max) (V) 6.5 Vin (min) (V) 1.4
Vout (max) (V) 5.2 Vout (min) (V) 0.8
Noise (µVrms) 3.8 Iq (typ) (mA) 2.1
Thermal resistance θJA (°C/W) 33 Rating Catalog
Load capacitance (min) (µF) 10 Regulated outputs (#) 2
Features Enable, Foldback Overcurrent protection, Power good, Soft start Accuracy (%) 1
PSRR at 100 KHz (dB) 35 Dropout voltage (Vdo) (typ) (mV) 260
Operating temperature range (°C) -40 to 125

Warranty & Returns

Warranty, Returns, and Additional Information

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