Product details

Output options Adjustable Output, Fixed Output Iout (Max) (A) 0.3 Vin (Max) (V) 6 Vin (Min) (V) 1.65 Vout (Max) (V) 5.5 Vout (Min) (V) 0.75 Fixed output options (V) 0.75, 0.8, 1, 1.05, 1.1, 1.2, 1.5, 1.7, 1.8, 2.5, 2.8, 2.9, 3, 3.3, 5 Noise (uVrms) 30 Iq (Typ) (mA) 0.025 Thermal resistance θJA (°C/W) 61.8 Rating Automotive Load capacitance (Min) (µF) 1 Regulated outputs (#) 1 Features Enable, Wettable Flanks Package Accuracy (%) 0.5 PSRR @ 100 KHz (dB) 45 Dropout voltage (Vdo) (Typ) (mV) 115 Operating temperature range (C) -40 to 150
Output options Adjustable Output, Fixed Output Iout (Max) (A) 0.3 Vin (Max) (V) 6 Vin (Min) (V) 1.65 Vout (Max) (V) 5.5 Vout (Min) (V) 0.75 Fixed output options (V) 0.75, 0.8, 1, 1.05, 1.1, 1.2, 1.5, 1.7, 1.8, 2.5, 2.8, 2.9, 3, 3.3, 5 Noise (uVrms) 30 Iq (Typ) (mA) 0.025 Thermal resistance θJA (°C/W) 61.8 Rating Automotive Load capacitance (Min) (µF) 1 Regulated outputs (#) 1 Features Enable, Wettable Flanks Package Accuracy (%) 0.5 PSRR @ 100 KHz (dB) 45 Dropout voltage (Vdo) (Typ) (mV) 115 Operating temperature range (C) -40 to 150
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 VSON (DRB) 8 9 mm² 3 x 3
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Device junction temperature: –40°C to +150°C, TJ
  • Input voltage range: 1.65 V to 6.0 V
  • Available output voltages:
    • Adjustable option: 1.2 V to 5.5 V
    • Fixed options: 0.65 V to 5.0 V
  • Output accuracy: 0.5% typical, 1.7% maximum
  • 50-dB PSRR out to 100 kHz
  • Low IQ: 25 µA (typical)
  • Ultra-low dropout:
    • 115 mV (max) at 300 mA (3.3 VOUT)
  • Internal 500-µs soft-start time to reduce inrush current
  • Active output discharge
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Packages:
    • 3-mm × 3-mm wettable flank VSON (8)
    • 5-pin SOT-23
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Device junction temperature: –40°C to +150°C, TJ
  • Input voltage range: 1.65 V to 6.0 V
  • Available output voltages:
    • Adjustable option: 1.2 V to 5.5 V
    • Fixed options: 0.65 V to 5.0 V
  • Output accuracy: 0.5% typical, 1.7% maximum
  • 50-dB PSRR out to 100 kHz
  • Low IQ: 25 µA (typical)
  • Ultra-low dropout:
    • 115 mV (max) at 300 mA (3.3 VOUT)
  • Internal 500-µs soft-start time to reduce inrush current
  • Active output discharge
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Packages:
    • 3-mm × 3-mm wettable flank VSON (8)
    • 5-pin SOT-23

The TPS784-Q1 ultra low-dropout regulator (LDO) is a small, low quiescent current LDO that can source 300 mA with excellent line and load transient performance.

The low output noise and great PSRR performance make the device suitable to power sensitive analog loads. The TPS784-Q1 is a flexible device for post regulation because this device supports an input voltage range from 1.65 V to 6.0 V and offers an adjustable output range of 1.2 V to 5.5 V. The device also features fixed output voltages from 0.65 V to 5.0 V for powering common voltage rails.

The TPS784-Q1 offers foldback current limit to reduce power dissipation during over current condition. The EN input helps with power sequencing requirements of the system. The internal soft-start provides a controlled start up, reducing the inrush current and allowing for lower input capacitance to be used.

The TPS784-Q1 provides an active pulldown circuit to quickly discharge output loads when disabled.

The TPS784-Q1 ultra low-dropout regulator (LDO) is a small, low quiescent current LDO that can source 300 mA with excellent line and load transient performance.

The low output noise and great PSRR performance make the device suitable to power sensitive analog loads. The TPS784-Q1 is a flexible device for post regulation because this device supports an input voltage range from 1.65 V to 6.0 V and offers an adjustable output range of 1.2 V to 5.5 V. The device also features fixed output voltages from 0.65 V to 5.0 V for powering common voltage rails.

The TPS784-Q1 offers foldback current limit to reduce power dissipation during over current condition. The EN input helps with power sequencing requirements of the system. The internal soft-start provides a controlled start up, reducing the inrush current and allowing for lower input capacitance to be used.

The TPS784-Q1 provides an active pulldown circuit to quickly discharge output loads when disabled.

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Technical documentation

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Type Title Date
* Data sheet TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy and Enable datasheet (Rev. C) 10 Jan 2022
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
User guide Universal Low-Dropout (LDO) Linear Voltage Regulator EVM User's Guide 12 Oct 2016

Design & development

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Evaluation board

MULTIPKGLDOEVM-823 — Universal LDO linear voltage regulator evaluation module for DBV, DRB, DRV and DQN packages

The MULTIPKGLDOEVM-823 evaluation module (EVM) helps you evaluate the operation and performance of several common packages of linear regulators for possible use in circuit applications. This particular EVM configuration has a DRB, DRV, DQN and DBV footprint for you to solder and (...)

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SON (DRB) 8 View options
SOT-23 (DBV) 5 View options

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