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TPS799-Q1
  • TPS799-Q1
  • TPS799-Q1
  • TPS799-Q1
  • TPS799-Q1

TPS799-Q1

ACTIVE

Automotive 200-mA, low-IQ, low-dropout voltage regulator with enable

Texas Instruments TPS799-Q1 Product Info

1 April 2026 3

Parameters

Rating

Automotive

Vin (max) (V)

6.5

Vin (min) (V)

2.7

Iout (max) (A)

0.2

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

6.4

Vout (min) (V)

1.2

Fixed output options (V)

1.2, 1.5, 1.8, 2.5, 2.7, 3.3, 6.4

Noise (µVrms)

30

PSRR at 100 KHz (dB)

38

Iq (typ) (mA)

0.04

Features

Enable

Thermal resistance θJA (°C/W)

74, 231.4

Load capacitance (min) (µF)

2

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

100

Operating temperature range (°C)

-40 to 125

Package

SOT-23-THN (DDC)-5-8.12 mm² 2.9 x 2.8

Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade –40°C to +125°C, T A
  • 200-mA low-dropout (LDO) regulator with enable (EN)
  • Low I Q: 40 µA
  • Multiple output voltage versions available:
    • Fixed outputs of 1.2 V to 4.5 V
    • Adjustable outputs from 1.2 V to 6.5 V
  • High PSRR: 66 dB at 1 kHz, 51 db at 10 kHz
  • Ultra-low noise: 29.5 µV RMS
  • Fast start-up time: 45 µs
  • Stable with a low ESR, 2-µF (typical) output capacitance
  • Excellent load and line transient response
  • 2% overall accuracy (load, line, and temperature)
  • Very low dropout: 100 mV
  • Thin SOT-23 and 2-mm × 2-mm WSON-6 packages
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade –40°C to +125°C, T A
  • 200-mA low-dropout (LDO) regulator with enable (EN)
  • Low I Q: 40 µA
  • Multiple output voltage versions available:
    • Fixed outputs of 1.2 V to 4.5 V
    • Adjustable outputs from 1.2 V to 6.5 V
  • High PSRR: 66 dB at 1 kHz, 51 db at 10 kHz
  • Ultra-low noise: 29.5 µV RMS
  • Fast start-up time: 45 µs
  • Stable with a low ESR, 2-µF (typical) output capacitance
  • Excellent load and line transient response
  • 2% overall accuracy (load, line, and temperature)
  • Very low dropout: 100 mV
  • Thin SOT-23 and 2-mm × 2-mm WSON-6 packages

Description

The TPS799-Q1 low-dropout (LDO) low-power linear regulator offers excellent AC performance with very low ground current. High power-supply rejection ratio (PSRR), low noise, fast start-up, and excellent line and load transient response are provided while consuming a very low 40-µA (typical) ground current. The TPS799-Q1 is stable with ceramic capacitors and uses an advanced BiCMOS fabrication process to yield a dropout voltage of 100 mV (typical) at a 200-mA output. The TPS799-Q1 uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% over all load, line, process, and temperature variations. The device is fully specified from T J = –40°C to +125°C and is offered in low-profile, thin SOT-23 and 2-mm × 2-mm WSON packages, designed for wireless handsets and WLAN cards.

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