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MIC5209 Datasheet(PDF) 1 Page - Microchip Technology

Part # MIC5209
Description  500 mA Low-Noise LDO Regulator
PDF  30 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC5209 Datasheet(HTML) 1 Page - Microchip Technology

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2017 - 2022 Microchip Technology Inc. and its subsidiaries
DS20005720B-page 1
MIC5209
Features
• Output Voltage Range: 1.8V to 15V
• Meets Intel® Slot 1 and Slot 2 Requirements
• Guaranteed 500 mA Output Over the Full
Operating Temperature Range
• Low 500 mV Maximum Dropout Voltage at Full
Load
• Extremely Tight Load and Line Regulation
• Thermally Efficient Surface-Mount Package
• Low Temperature Coefficient
• Current and Thermal Limiting
• Reversed-Battery Protection
• No-Load Stability
• 1% Output Accuracy
• Ultra-Low-Noise Capability in SOIC-8 and DDPAK
• Ultra-Small 3 mm × 3 mm VDFN Package
Applications
• Pentium II Slot 1 and Slot 2 Support Circuits
• Laptop, Notebook, and Palmtop Computers
• Cellular Telephones
• Consumer and Personal Electronics
• SMPS Post-Regulator and DC/DC Modules
• High-Efficiency Linear Power Supplies
General Description
The MIC5209 is an efficient linear voltage regulator
with very low dropout voltage, typically 10 mV at light
loads and less than 500 mV at full load, with better than
1% output voltage accuracy.
Designed especially for hand-held, battery-powered
devices, the MIC5209 features low ground current to
help prolong battery life. An enable/shutdown pin on
the SOIC-8 and DDPAK versions can further improve
battery life with near-zero shutdown current.
Key features include reversed-battery protection,
current
limiting,
overtemperature
shutdown,
ultra-low-noise capability (SOIC-8 and DDPAK
versions), and is available in thermally efficient
packaging. The MIC5209 is available in adjustable or
fixed output voltages.
Typical Application Circuits
3.3V NOMINAL INPUT SLOT 1
POWER SUPPLY
ULTRA-LOW NOISE
5V REGULATOR
MIC5209-2.5YS
V
IN
3.0V
0.1μF
V
OUT
2.5V ±1%
22μF
TANTALUM
12
3
MIC5209-5.0YM
V
IN
6.0V
V
OUT
5.0V
22μF
TANTALUM
1
2
3
4
5
6
7
8
ENABLE
SHUTDOWN
470pF
(OPTIONAL)
500 mA Low-Noise LDO Regulator


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