Skip to main content

Features

  • Typical low-quiescent current: 3.5µA at no load
  • Typical shutdown current (SOT23 package): <0.5µA
  • Wide input voltage range: up to 40V with 45V line transient tolerance
  • Max output current: 150mA
  • Output voltage accuracy: ±3% over line, load, and temperature
  • Typical dropout voltage: 0.5V at 100mA
  • Fixed output voltage options: 3.3V
  • Stable with 2.2µF minimum ceramic output capacitor
  • Overcurrent and over-temperature protection
  • Junction temperature range: -40 °C to 125 °C

Description

RAA214403 is a low-dropout regulator (LDO) featuring a low-quiescent current and a fixed output voltage of 3.3V. It can efficiently deliver up to 150mA to a load and has a wide input voltage range of up to 40V. This part is available in SOT23 and SOT89 packages.

Parameters

AttributesValue
Input Voltage (Min) (V)4.5
Input Voltage (Max) (V)40
Output Voltage (Min) (V)3.2
Output Voltage (Max) (V)3.39
Output Current 1 (Max) (A)0.15
Drop Out Voltage (Typical)760mA @ 150mV
Fixed Output Voltage OptionYes
PSRR (db)74
Quiescent Current3.6 µA
Qualification LevelStandard

Package Options

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
SOT894.5 x 4.1 x 1.5031.5
TSOT2.9 x 1.6 x 0.7551

Product Comparison

RAA214403RAA214404RAA214405RAA214409
EnableNo, YesNoNo, YesNo
Output Voltage (Min) (V)3.23.4924.858.63
Output Voltage (Max) (V)3.393.7985.158.35
Pkg. TypeSOT89, TSOTTSOTSOT89, TSOTSOT89

Application Block Diagrams

100W USB PD Battery Charger Block Diagram
100W USB PD Battery Charger
100W USB PD platform offers efficient charging, safety features, and a user-friendly design for electronics.
Robot vacuum cleaner Interactive block diagram supports camera-based SLAM and includes safe motor drive technology for reliable cleaning.
Robot Vacuum Cleaner
This smart robot vacuum features environment mapping, anti-drop, obstacle detection, auto-recharge, app control.

Additional Applications

  • Home automation, IoT, and sensors
  • 12V/24V/28V bus voltages
  • Metering
  • MCU power
  • Smoke alarms, gas sensors, and other home-sensing devices
  • Wired video doorbells and thermostats
  • Gas, electric, and water meters
  • Power tools and appliances

Applied Filters: