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參數(shù)資料
| 型號(hào)： | AAT3220IQY-35-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 150mA NanoPower⑩ LDO Linear Regulator |
| 中文描述： | 150mA的NanoPower⑩LDO線性穩(wěn)壓器 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 460K |
| 代理商： | AAT3220IQY-35-T1 |
AAT3220
150mA NanoPower LDO Linear Regulator
3220.2001.
09.1.0
13
P
D(total)
= P
D(100mA)
+ P
D(150mA)
P
D(total)
= 110.2mW + 14.8mW
P
D(total)
= 125.0mW
The maximum power dissipation for the AAT3220
operating at an ambient temperature of 85°C is
200mW. The device in this example will have a
total power dissipation of 125.0mW. This is well
with in the thermal limits for safe operation of the
device.
Printed Circuit Board Layout
Recommendations
In order to obtain the maximum performance from
the AAT3220 LDO regulator, very careful attention
must be paid in regard to the printed circuit board
layout. If grounding connections are not properly
made, power supply ripple rejection and LDO regu-
lator transient response can be compromised.
The LDO Regulator external capacitors C
IN
and
C
OUT
should be connected as directly as possible
to the ground pin of the LDO Regulator. For maxi-
mum performance with the AAT3220, the ground
pin connection should then be made directly back
to the ground or common of the source power sup-
ply. If a direct ground return path is not possible
due to printed circuit board layout limitations, the
LDO ground pin should then be connected to the
common ground plane in the application layout.
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| AAT3221 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:150mA NanoPower⑩ LDO Linear Regulator |
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