二极管

USB

三极管

可控硅(晶闸管)

场效应管(MOSFET)

集成电路

连接器

LED系列产品

电感器

继电器

传感器

电容器

电阻器

保护器件

光电器件

压电晶体

开关原件

功率模块

特性

• Adjustable Output Voltage
• 1%/2% Accuracy (25°C/Full Range)
• 500-mV (Max) Dropout at Full Load of 500 mA
• Extremely Tight Regulation Over Temperature Range
  • 0.1%/V (Max) Line Regulation
  • 0.7% (Max) Load Regulation
• Ultra-Low Noise Capability (300 nV/Hz Typ)
• Shutdown Current of 3 µA (Max)
• Low Temperature Coefficient
• Current Limiting and Thermal Protection
• Stable With Minimum Load of 1 mA
• Reverse-Battery Protection
• Applications
  • Portable Applications (PDAs, Laptops, Cell Phones)
  • Consumer Electronics
  • Post-Regulation for SMPS
• Available in Convenient SOIC-8 Surface-Mount Package

Description/Ordering Information

The TL5209 is an efficient PNP low-dropout (LDO) regulator that is well suited for portable applications. It has significantly lower quiescent current than previously was available from traditional PNP regulators and allows for a shutdown current of only 0.05 µA (typical). The TL5209 also has very good dropout voltage characteristics, requiring a maximum dropout of 60 mV at light loads and 500 mV at full load. In addition, the LDO also has 1% output voltage accuracy and extremely tight line and load regulation that is hard to match by its CMOS counterparts.

For noise-sensitive applications, the TL5209 allows for low-noise capability via an external bypass capacitor connected to the BYP pin, which reduces the output noise of the regulator. Other features include current limiting, thermal shutdown, reverse-battery protection, and low temperature coefficient.

The TL5209 is available with adjustable output. Offered in an SOIC-8 surface-mount package, the TL5209 is characterized for operation over the virtual junction temperature ranges of -40°C to 125°C.