LDI1117 Low Dropout Voltage Regulators

Diotec Semiconductor LDI1117 Low Dropout (LDO) Voltage Regulators are designed to provide a fixed output voltage of 3.3V with ±1% tolerance at up to 1.35A output current. These voltage regulators feature thermal overload protection, short circuit protection, and high output current. The LDI1117 voltage regulators are assembled in the SOT-223 case outline that offers a rear cooling area for easy heat removal. This allows the voltage regulators to be used even at higher ambient temperatures. These voltage regulators feature a junction temperature of 125°C for a thermal shutdown. Typical applications include control boards of power supplies and motor drives, industrial controls, dishwashers, washing machines, and microwave ovens.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Output Voltage
Output Current
Number of Outputs
Polarity
Quiescent Current
Input Voltage - Max
PSRR / Ripple Rejection - Typ
Output Type
Minimum Operating Temperature
Maximum Operating Temperature
Dropout Voltage
Series
Packaging
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 4.95V, 5.05V
Datasheet
9.896In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 5 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 20V, 1.176V, 1.224V
Datasheet
2.526In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 1.2 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 20V, 1.782V, 1.818V
Datasheet
2.364In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 1.8 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 2.475V, 2.525V
Datasheet
7.079In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 2.5 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 3.267V, 3.333V
Datasheet
1.527In Stock
10.000Expected 27/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 3.3 V 1 A 1 Output Positive 5 mA 15 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 20V, 1.25V, 13.65V
Datasheet
1.923In Stock
1.000Expected 20/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 1.25 V to 13.65 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 1.176V, 1.224V
Datasheet
6.994In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 1.2 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 20V, 1.485V, 1.515V
Datasheet
905In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 1.5 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 1.782V, 1.818V
Datasheet
7.188In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 1.8 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 1.25V, 13.65V
Datasheet
4.597In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 1.25 V to 13.65 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 20V, 3.267V, 3.333V
Datasheet
6In Stock
4.000Expected 13/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 3.3 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 15V, 4.95V, 5.05V
Datasheet
4.700Expected 27/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 5 V 1 A 1 Output Positive 5 mA 15 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 4.95V, 5.05V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 5 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 1.176V, 1.224V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 1.2 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 1.485V, 1.515V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 1.5 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-223, 20V, 1.485V, 1.515V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOT-223 1.5 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed + 150 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 1.782V, 1.818V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 1.8 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 2.475V, 2.525V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 2.5 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SOT-89, 20V, 2.475V, 2.525V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT SOT-89 2.5 V 1 A 1 Output Positive 5 mA 20 V 50 dB Adjustable, Fixed - 40 C + 125 C 1 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 3.267V, 3.333V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 3.3 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel
Diotec Semiconductor LDO Voltage Regulators VR, SO-8, 20V, 1.238V, 13.65V
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT SO-8 1.238 V to 13.65 V 1 A 1 Output Positive 5 mA 20 V 75 dB Adjustable, Fixed - 40 C + 125 C 1.25 V LDI1117 Reel, Cut Tape, MouseReel