AAT3220IGY-2.7-T1 查看數據表（PDF） - Skyworks Solutions
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AAT3220IGY-2.7-T1 Datasheet PDF : 15 Pages
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DATA SHEET
AAT3220
150mA NanoPowerTM LDO Linear Regulator
General Description
The AAT3220 PowerLinear NanoPower low dropout (LDO)
linear regulator is ideal for portable applications where
extended battery life is critical. This device features
extremely low quiescent current, typically 1.1µA. Dropout
voltage is also very low, typically less than 225mV at the
maximum output current of 150mA. The AAT3220 has
output short-circuit and over-current protection. In addi-
tion, the device also has an over-temperature protection
circuit which will shut down the LDO regulator during
extended over-current events.
The AAT3220 is available in a Pb-free, space-saving
SC59 package. The device is rated over the -40°C to
+85°C temperature range. Since only a small, 1µF
ceramic output capacitor is required, often the only
space used is that occupied by the AAT3220 itself. The
AAT3220 is truly a compact and cost-effective voltage
conversion solution.
The AAT3221/2 are similar products for this application,
especially when a shutdown mode is required for further
power savings.
Features
• 1.1µA Quiescent Current
• Low Dropout: 200mV (typ)
• Guaranteed 150mA Output
• High Accuracy: ±2.0%
• Current Limit and Over-Temperature Protection
• Low Temperature Coefficient
• Factory-Programmed Output Voltages: 1.8V to 3.5V
• Stable Operation With Virtually Any Output Capacitor
Type
• 3-Pin SC59 Package
• 4kV ESD Rating
Applications
• Cellular Phones
• Digital Cameras
• Handheld Electronics
• Notebook Computers
• PDAs
• Portable Communication Devices
• Remote Controls
Typical Application
INPUT
IN
OUT
AAT3220
GND
GND
OUTPUT
GND
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202250A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 7, 2012
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