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AMS1085D-1.5 PDF预览

AMS1085D-1.5

更新时间: 2022-10-09 17:01:46
品牌 Logo 应用领域
奥地利微 - AMS 稳压器
页数 文件大小 规格书
11页 2282K
描述
3A LDO VOLTAGE REGULATOR

AMS1085D-1.5 数据手册

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AMS1085  
PIN CONFIGURATION  
TO-252-2L  
TO-220-3L  
TO-263-2L  
TO-263-3L  
1
2
3
1
2
3
1
2
3
1
2
3
PIN DESCRIPTION  
Functions  
Pin No.  
Pin name  
I/O  
--/O  
O
1
2
3
Ground/ADJ  
Output voltage  
Input supply voltage  
GND/ADJ  
V
OUT  
V
IN  
I
FUNCTION DESCRIPTION  
The AMS1085 is a LDO regulator, its pass transistor is made up of a single NPN transistor being driven by a PNP.  
The dropout voltage is defined as: VDROP = VBE+ VSAT.  
The AMS1085 has two versions: the fixed output version and the adjustable output version. Output voltages can be  
1.5V, 1.8V, 2.5V, 3.3V, and 5.0V.On-chip thermal shut-down circuit provides protection against overload  
and overheating that would create excessive junction temperature.  
The adjustable output version requires a 22 μF or bigger tantalum capacitor at output for AMS1085 stability. The  
capacitor for fixed output version can be smaller and should be determined base on actual application. Generally,  
the stability of linear regulator stability decreases with output currents increase.  
6
Advanced Monolithic Systems http://www.ams-semitech.com  

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