Product details

Output options Fixed Output Iout (Max) (A) 0.25 Vin (Max) (V) 5.5 Vin (Min) (V) 2.2 Vout (Max) (V) 4.5 Vout (Min) (V) 1.2 Fixed output options (V) 1.2, 1.8, 2.5, 2.8, 2.9, 3, 3.3, 3.8, 4.5 Noise (uVrms) 6.5 Iq (Typ) (mA) 0.012 Thermal resistance θJA (°C/W) 193 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (Min) (µF) 1 Regulated outputs (#) 1 Features Enable, Output Discharge Accuracy (%) 3 PSRR @ 100 KHz (dB) 60 Dropout voltage (Vdo) (Typ) (mV) 50 Operating temperature range (C) -40 to 125
Output options Fixed Output Iout (Max) (A) 0.25 Vin (Max) (V) 5.5 Vin (Min) (V) 2.2 Vout (Max) (V) 4.5 Vout (Min) (V) 1.2 Fixed output options (V) 1.2, 1.8, 2.5, 2.8, 2.9, 3, 3.3, 3.8, 4.5 Noise (uVrms) 6.5 Iq (Typ) (mA) 0.012 Thermal resistance θJA (°C/W) 193 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (Min) (µF) 1 Regulated outputs (#) 1 Features Enable, Output Discharge Accuracy (%) 3 PSRR @ 100 KHz (dB) 60 Dropout voltage (Vdo) (Typ) (mV) 50 Operating temperature range (C) -40 to 125
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 X2SON (DQN) 4 1 mm² 1 x 1
  • 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

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.



















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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Technical documentation

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Type Title Date
* Data sheet LP5907-Q1 Automotive 250-mA, Ultra-Low-Noise, Low-IQ LDO datasheet (Rev. E) 17 Dec 2019
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Technical article Powering levels of autonomy: a quick guide to DC/DC solutions for SAE autonomy levels 18 Nov 2020
Functional safety information LP5907-Q1 Functional Safety FIT Rate and Failure Mode Distribution 16 Dec 2019
User guide Universal Low-Dropout (LDO) Linear Voltage Regulator EVM User's Guide 12 Oct 2016
Technical article How LDOs meet power requirements for automobile camera modules 14 Jan 2016
Application note LP5907-Q1 Pin FMEA (Rev. A) 16 Jul 2015
Technical article LDO and switcher solutions deliver cleaner, more efficient power for noise-sensitive Infotainment systems 06 Dec 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

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

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SOT-23 (DBV) 5 View options
X2SON (DQN) 4 View options

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