Single Output LDO, 800mA, Fixed(2.85V), Internal Current Limit, Thermal Overload Protection

The REG1117 is a family of easy-to-use three-terminal voltage Regulators The family includes a variety of fixed-and adjustable-voltage versions, two currents (800mA and 1A) and two package types (SOT-223 and DDPAK). See the chart below for available options.
Output voltage of the adjustable versions is set with two external resistors. The REG1117 low dropout voltage allows its use with as little as 1V input-output voltage differential.
Laser trimming assures excellent output voltage accuracy without adjustment. An NPN output stage allows output stage drive to contribute to the load current for maximum efficiency.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
REG1117/2K5G4 Texas Instruments 1A Low Dropout Positive Regulator 4-SOT-223 0 to 125
REG1117AG4 Texas Instruments 1A Low Dropout Positive Regulator 4-SOT-223 0 to 125
REG1117FA-1.8 Texas Instruments 1A Low Dropout Positive Regulator 3-DDPAK/TO-263 0 to 125
REG1117FA-2.5/500 Texas Instruments 1A Low Dropout Positive Regulator 3-DDPAK/TO-263 0 to 125
REG1117-2.85/2K5 Texas Instruments 1A Low Dropout Positive Regulator 4-SOT-223 0 to 125
REG1117-5 Texas Instruments 1A Low Dropout Positive Regulator 4-SOT-223 0 to 125
REG1117FA/500G3 Texas Instruments 1.225 V-1.28V ADJUSTABLE POSITIVE LDO REGULATOR, 1.55V DROPOUT, PSSO3, GREEN, PLASTIC, TO-263, D2PAK-3
REG1117FA-18/500G3 Texas Instruments IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, 1.55 V DROPOUT, PSSO3, GREEN, PLASTIC, TO-263, D2PAK-3, Fixed Positive Single Output LDO Regulator
REG1117FA2.5KTTTG3 Texas Instruments 1A Low Dropout Positive Regulator 3-DDPAK/TO-263 0 to 125
REG1117-2.85G4 Texas Instruments 1A Low Dropout Positive Regulator 4-SOT-223 0 to 125
REG1117-285 's PackagesREG1117-285 's pdf datasheet
REG1117-2.85 SOT-223
REG1117-2.85-2K5 SOT-223
REG1117-2.85G4 SOT-223




REG1117-285 Pinout, Pinouts
REG1117-285 pinout,Pin out
This is one package pinout of REG1117-285,If you need more pinouts please download REG1117-285's pdf datasheet.

REG1117-285 Application circuits
REG1117-285 circuits
This is one application circuit of REG1117-285,If you need more circuits,please download REG1117-285's pdf datasheet.


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