供应LM1117MPX-3.3低压差稳压器芯片

LM1117 -N / LM1117I 800毫安低压差线性稳压器 [LM1117-N/LM1117I 800mA Low-Dropout Linear Regulator]

1FEATURES DESCRIPTION

2 The LM1117-N is a series of low dropout voltage ? Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V, and

regulators with a dropout of 1.2V at 800mA of load Adjustable Versions

current. It has the same pin-out as Texas

? Space Saving SOT-223 and WSON Packages Instruments' industry standard LM317.

? Current Limiting and Thermal Protection The LM1117-N is available in an adjustable version,

? Output Current 800mA which can set the output voltage from 1.25V to 13.8V

? Line Regulation 0.2% (Max) with only two external resistors. In addition, it is also

available in five fixed voltages, 1.8V, 2.5V, 2.85V, ? Load Regulation 0.4% (Max)

3.3V, and 5V.

? Temperature Range

The LM1117-N offers current limiting and thermal

– LM1117-N: 0°C to 125°C

shutdown. Its circuit includes a zener trimmed

– LM1117I: ?40°C to 125°C bandgap reference to assure output voltage accuracy

to within ±1%.

APPLICATIONS The LM1117-N series is available in WSON, PFM,

? 2.85V Model for SCSI-2 Active Termination SOT-223, TO-220, and TO-263 DDPAK packages. A

? Post Regulator for Switching DC/DC Converter minimum of 10μF tantalum capacitor is required at

the output to improve the transient response and

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