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LP5907-Q1
  • LP5907-Q1
  • LP5907-Q1
  • LP5907-Q1

LP5907-Q1

ACTIVE

Automotive, 250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable

Texas Instruments LP5907-Q1 Product Info

1 April 2026 3

Parameters

Rating

Automotive

Vin (max) (V)

5.5

Vin (min) (V)

2.2

Iout (max) (A)

0.25

Output options

Fixed Output

Vout (max) (V)

1.2, 1.3, 1.5, 1.8, 2.2, 2.5, 2.8, 2.85, 2.9, 3, 3.3, 3.8, 4.5

Vout (min) (V)

1.2

Fixed output options (V)

1.2, 1.3, 1.5, 1.8, 2.2, 2.5, 2.8, 2.85, 2.9, 3, 3.3, 3.8, 4.5

Noise (µVrms)

6.5

PSRR at 100 KHz (dB)

60

Iq (typ) (mA)

0.012

Features

Enable, Output discharge

Thermal resistance θJA (°C/W)

193, 195.1, 197.8

TI functional safety category

Functional Safety-Capable

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

3

Dropout voltage (Vdo) (typ) (mV)

120

Operating temperature range (°C)

-40 to 125

Package

SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8

Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Input voltage range: 2.2 V to 5.5 V
  • Output voltage range: 1.2 V to 4.5 V
  • Stable with 1-µF ceramic input and output capacitors
  • No noise bypass capacitor required
  • Remote output capacitor placement
  • Thermal-overload and short-circuit protection
  • Output current: 250 mA
  • Low output voltage noise: < 6.5 µVRMS
  • PSRR: 82 dB at 1 kHz
  • Output voltage tolerance: ±2%
  • Virtually zero IQ (disabled): < 1 µA
  • Very low IQ (enabled): 12 µA
  • Start-up time: 80 µs
  • Low dropout: 120 mV (typical)
  • –40°C to 125°C junction temperature range for operation
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Input voltage range: 2.2 V to 5.5 V
  • Output voltage range: 1.2 V to 4.5 V
  • Stable with 1-µF ceramic input and output capacitors
  • No noise bypass capacitor required
  • Remote output capacitor placement
  • Thermal-overload and short-circuit protection
  • Output current: 250 mA
  • Low output voltage noise: < 6.5 µVRMS
  • PSRR: 82 dB at 1 kHz
  • Output voltage tolerance: ±2%
  • Virtually zero IQ (disabled): < 1 µA
  • Very low IQ (enabled): 12 µA
  • Start-up time: 80 µs
  • Low dropout: 120 mV (typical)
  • –40°C to 125°C junction temperature range for operation

Description

The LP5907-Q1 is a low-noise LDO that can supply 250 mA of output current. Designed to meet the requirements of RF and analog circuits, the LP5907-Q1 provides low noise, high PSRR, low quiescent current, and low line or load transient response figures. Using new innovative design techniques, the LP5907-Q1 offers class-leading noise performance without a noise bypass capacitor and the ability for remote output capacitor placement.

The device is designed to work with a 1-µF input and a 1-µF output ceramic capacitor (no separate noise bypass capacitor is required).

This device is available with fixed output voltages from 1.2 V to 4.5 V in 25-mV steps. Contact Texas Instruments Sales for specific voltage option needs.



















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