TL5209DR

FEATURES

• Adjustable and Fixed Voltages of 1.8 V, 2.5 V, 3 V, 3.3 V, and 5 V

• 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 Surface-Mount

Packages: SOT-223, SOIC-8, and TO-263

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 (SOIC-8 and TO-263) 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  capacitor connected to the BYPASS pin (SOIC-8 and TO-263), 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 in adjustable output and fixed-output versions of 1.8 V, 2.5 V, 3 V, 3.3 V, and 5 V. Offered in surface-mount packages of SOT-223, SOIC, and TO-263, the TL5209 is characterized for operation over the virtual junction temperature ranges of –40°C to 125°C

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