TL5209_15 Datasheet, PDF (1/23 Pages) Texas Instruments – TL5209 500-mA Low-Noise Low-Dropout Voltage Regulator With Shutdown

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TL5209
SLVS581B – SEPTEMBER 2006 – REVISED JUNE 2015
TL5209 500-mA Low-Noise Low-Dropout Voltage Regulator With Shutdown
1 Features
•1 Adjustable Output Voltage
• 1%/2% Accuracy (25°C/Full Range)
• 500-mV (Maximum) Dropout at Full Load of
500 mA
• Tight Regulation Overtemperature Range
– 0.1%/V (Maximum) Line Regulation
– 0.7% (Maximum) Load Regulation
• Ultra Low-Noise Capability (300 nV/√Hz Typical)
• Shutdown Current of 3 μA (Maximum)
• 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
2 Applications
• Set-Top Boxes
• PCs and Notebooks
• EPOS
• Building Automation
3 Description
The TL5209 device is 500-mA low-dropout (LDO)
regulator that is well suited for portable applications.
It has a lower quiescent current than most traditional
PNP regulators and allows for a shutdown current of
0.05 μA (typical). The TL5209 also has very good
dropout voltage characteristics, requiring a maximum
dropout of 10 mV at light loads and 500 mV at full
load. In addition, the LDO also has a 1% output
voltage accuracy and very tight line and load
regulation that is comparable to its CMOS
counterparts.
For noise-sensitive applications, the TL5209 allows
for low-noise capability through 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.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TL5209
SOIC (8)
4.90 mm × 3.91 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Typical Application Schematic
V_IN
1 µF
IN
OUT
EN
ADJ/BYP
GND
R1
470 pF
R2
V_OUT
2.2 µF
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.