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EP1117-F25R 参数 Datasheet PDF下载

EP1117-F25R图片预览
型号: EP1117-F25R
PDF下载: 下载PDF文件 查看货源
内容描述: 1A低压降线性稳压器 [1A Low Dropout Linear Regulator]
分类和应用: 稳压器电源电路
文件页数/大小: 10 页 / 341 K
品牌: EOREX [ EOREX CORPORATION ]
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eorex
Features
• Guaranteed Output Voltage Accuracy within 2%
• Fast Transient Response
• Load Regulation: 0.1% Typ.
• Line Regulation: 0.03% Typ.
• Low Dropout Voltage: 1.1V Typ. at I
OUT
=1A
• On-chip Thermal Limiting: 150°C Typ.
• Adjustable Output: 1.25~10.7V
• Standard 3-pin SOT-223 and TO252 Power
Packages
EP1117
1A Low Dropout Linear Regulator
Description
The EP1117 is a low dropout three-terminal
adjustable or fixed-voltage regulator with 1A
output current capability. The EP1117 is available
in an adjustable version, with output ranging from
1.25V to 10.7V and fixed output voltages of 1.8V,
2.5V, 3.3V and 5.0V. Dropout voltage is
guaranteed at a maximum of 1.3V at 1A. On-chip
thermal limiting provides protection against any
combination of overload that would create
excessive junction temperatures. The EP1117 is
available in the industry standard 3-pin the low
profile surface mount SOT-223 and TO-252
power packages.
Applications
• PC peripheral
• Low Voltage Logic Supplies
• Post Regulator for Switching Power Supply
Typical Application
Fixed Mode Regulator
1.25V to 10.7V Adjustable Regulator
V
IN
10uF
V
IN
V
OUT
EP1117
FB
R1
120Ω
100uF
V
OUT
R2
120Ω
V
OUT
= V
REF
×
1
+
R2
R1
V
REF
=1.25V
R1
100Ω~200Ω
Jul. 2006
1/10
www.eorex.com