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特性

  • 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: 5V
  • Stable with 2.2µF minimum ceramic output capacitor
  • Overcurrent and over-temperature protection
  • Junction temperature range: -40 °C to 125 °C

描述

RAA214405 is a low-dropout regulator (LDO) featuring a low-quiescent current and a fixed output voltage of 5V. 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.

产品参数

属性
Input Voltage (Min) (V)5.5
Input Voltage (Max) (V)40
Output Voltage (Min) (V)4.85
Output Voltage (Max) (V)5.15
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

封装选项

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

产品对比

RAA214405RAA214403RAA214404RAA214409
EnableNo, YesNo, YesNoNo
Output Voltage (Min) (V)4.853.23.4928.63
Output Voltage (Max) (V)5.153.393.7988.35
Pkg. TypeSOT89, TSOTSOT89, TSOTTSOTSOT89

应用方框图

The furnace controller interactive block diagram features 32-bit MCU with 12-bit A/D conversion, efficient power management and Wi-Fi connectivity.
支持 Wi-Fi 连接的加热炉控制器
支持 Wi-Fi 连接的加热炉控制器具有精确传感、安全合规和远程监控功能,适用于现代 HVAC 系统。

其他应用

  • 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

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