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特性

  • Typical low-quiescent current: 3.5µA at no load
  • 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: 9V
  • Stable with 2.2µF minimum ceramic output capacitor
  • Overcurrent and over-temperature protection
  • Junction temperature range: -40 °C to 125 °C

描述

RAA214409 is a low-dropout regulator (LDO) featuring a low-quiescent current and a fixed output voltage of 9V. 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 the SOT89 package.

产品对比

RAA214409 RAA214403 RAA214404 RAA214405
Enable No No, Yes No No, Yes
Output Voltage (Min) (V) 8.63 3.2 3.492 4.85
Output Voltage (Max) (V) 8.35 3.39 3.798 5.15
Pkg. Type SOT89 SOT89, TSOT TSOT SOT89, TSOT

产品参数

属性
Input Voltage (Min) (V) 9.5
Input Voltage (Max) (V) 40
Output Voltage (Min) (V) 8.63
Output Voltage (Max) (V) 8.35
Output Current 1 (Max) (A) 0.15
Drop Out Voltage (Typical) 760mA @ 150mV
Fixed Output Voltage Option Yes
PSRR (db) 74
Quiescent Current 3.6 µA
Qualification Level Standard

封装选项

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
SOT89 4.5 x 4.1 x 1.50 3 1.5

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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