LM1117DTX-ADJ/NOPB Rectifier Diode 800mA Low-Dropout Linear Regulator
diode rectifier circuit
,bridge rectifier circuit
LM1117/LM1117I 800mA Low-Dropout Linear Regulator
FEATURES
• Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V,
and Adjustable Versions
• Space Saving SOT-223 and LLP Packages
• Current Limiting and Thermal Protection
• Output Current 800mA
• Line Regulation 0.2% (Max)
• Load Regulation 0.4% (Max)
• Temperature Range
– LM1117: 0°C to 125°C
– LM1117I: −40°C to 125°C
APPLICATIONS
• 2.85V Model for SCSI-2 Active Termination
• Post Regulator for Switching DC/DC Converter
• High Efficiency Linear Regulators
• Battery Charger
• Battery Powered Instrumentation
DESCRIPTION
The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. It has the same pin-out as National Semiconductor's industry standard LM317.
The LM1117 is available in an adjustable version, which can set the output voltage from 1.25V to 13.8V with only two external resistors. In addition, it is also available in five fixed voltages, 1.8V, 2.5V, 2.85V, 3.3V, and 5V.
The LM1117 offers current limiting and thermal shutdown. Its circuit includes a zener trimmed bandgap reference to assure output voltage accuracy to within ±1%.
The LM1117 series is available in LLP, TO-263, SOT-223, TO-220, and TO-252 D-PAK packages. A minimum of 10µF tantalum capacitor is required at the output to improve the transient response and stability.
ABSOLUTE MAXIMUM RATINGS(1)
| Maximum Input Voltage (VIN to GND) | 20V |
| Power Dissipation(2) | Internally Limited |
| Junction Temperature (TJ ) (2) | 150°C |
| Storage Temperature Range | -65°C to 150°C |
| Lead Temperature | 260°C, 10 sec |
| ESD Tolerance(3 | 2000V |
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics
(2) The maximum power dissipation is a function of TJ(max) , θJA, and TA. The maximum allowable power dissipation at any ambient temperature is PD = (TJ(max)–TA)/θJA. All numbers apply for packages soldered directly into a PC board.
(3) For testing purposes, ESD was applied using human body model, 1.5kΩ in series with 100pF.
Block Diagram
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