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PDF ( 数据手册 , 数据表 ) ME1117A33

零件编号 ME1117A33
描述 1.0A Adjustable Voltage High Speed LDO Regulators
制造商 Microne
LOGO Microne LOGO 


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ME1117A33 数据手册, 描述, 功能
ME1117
1.0A Adjustable Voltage High Speed LDO Regulators ME1117 Series
General Description
The ME1117 series are highly accurate, low noise,
LDO Voltage Regulators that are capable of
providing an output current that is in excess of 1.0 A
with a maximum dropout voltage of 1.3 V at 1.0A.
This series contains six fixed output voltages of 1.2
V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V that have no
minimum load requirement to maintain regulation.
Also included is an adjustable output version that can
be programmed from 1.25 V to 15 V with two
external resistors. On chip trimming adjusts the
reference/output voltage to within ±2.0% accuracy.
Internal protection features consist of output current
limiting, safe operating area compensation, and
thermal shutdown. The ME1117 series can operate
with up to 15 V input. Devices are available in
SOT223TO252-2L .
Features
Output Current in Excess of 1.0A
Dropout Voltage1V@ IOUT =100mA
Operating Voltage Range
4.8V15VME1117A33
Highly Accuracy±2
Adjustable Output Voltage Option
Standby Current3mATPY.
High Ripple Rejection60dB@1KHzME1117A33
Line Regulation: 0.1%(TYP.
Temperature Stability0.5%
Current Limit1.3A
Thermal Shutdown Protection160℃)
Small Packages:SOT223TO252-2L
Selection Guide
Typical Application
Consumer and Industrial Equipment Point of
Regulation
Switching Power Supply Post Regulation
Hard Drive Controllers
Battery Chargers
Typical Application Circuit
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ME1117A33 pdf, 数据表
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
7Adj Pin Current VS.Temperature
ME1117F
8Ripple Rejection vs. Frequency
ME1117A33
Adj Pin Current VS.Temperature
Ripple Rejection VS. Frequency
ME1117
24
18
12
6
0
-40 -25 0 25 50 75 100 125 150
Temperature()
70
60
50
40
30
20
10
100 1000 10000
Frequency(Hz)
100000
9Line Transient Response
ME1117A33
Ch1Output Voltage Ch3Input Voltage
VIN=8V12V,IOUT=0mA,Ta = 25 °C
10Load Transient Response
ME1117A33
Ch1Output Voltage Ch2Load Current
VIN=4.8V, IOUT=0mA 240mA,Ta = 25 °C
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