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器件描述：150mA NanoPower⑩ LDO Linear Regulator
器件厂商：ANALOGICTECH [Advanced Analogic Technologies]
厂商主页：http://www.analogictech.com/
文件大小：460.83KB
文件页数：16
PDF阅读：AAT3220IQY-28-T1.pdf (点击阅读器件资料)
摘要：
General Description
The AAT3220 PowerLinear? NanoPower Low
Dropout Linear Regulator is ideal for portable appli-
cations where extended battery life is critical. This
device features extremely low quiescent current
which is typically 1.1?A. Dropout voltage is also
very low, typically less than 225mV at the maxi-
mum output current of 150mA. The AAT3220 has
output short circuit and over current protection. In
addition, the device also has an over temperature
protection circuit, which will shutdown the LDO reg-
ulator during extended over current events.
The AAT3220 is available in a space saving SOT-23
package or a SOT-89 for applications requiring
increased power dissipation. The device is rated
over a -40°C to 85°C temperature range. Since only
a small, 1?F 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 is a similar product for this appli-
cation, especially when a shutdown mode is
required for further power savings.
Features
? 1.1 ?AQuiescent Current
? Low Dropout: 200 mV (typ)
? Guaranteed 150mA Output
? High accuracy: ±2.0%
? Current limit protection
? 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 SOT-89 and SOT-23 packages
? 4kV ESD Rating
Applications
? Cellular Phones
? Notebook Computers
? Portable Communication Devices
? Handheld Electronics
? Remote Controls
? Digital Cameras
? PDAs
AAT3220
150mANanoPower? LDO Linear Regulator
Typical Application
AAT3220
IN
OUT
GND
INPUT OUTPUT
GNDGND
3220.2001.09.1.0 1
PowerLinear
?
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