REG1117A-1.8
DigiKey Part Number	REG1117A-1.8-ND
Manufacturer	Texas Instruments
Manufacturer Product Number	REG1117A-1.8
Description	IC REG LINEAR 1.8V 1A SOT-223-4
Manufacturer Standard Lead Time	6 Weeks
Customer Reference
Detailed Description	Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223-4
Datasheet	Datasheet
EDA/CAD Models	REG1117A-1.8 Models

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Category Integrated Circuits (ICs) Power Management (PMIC) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators	Current - Output 1A
Mfr Texas Instruments	Current - Quiescent (Iq) 10 mA
Packaging Tube	PSRR 62dB (120Hz)
Part Status Active	Protection Features Over Current, Over Temperature
Output Configuration Positive	Operating Temperature -40°C ~ 125°C
Output Type Fixed	Mounting Type Surface Mount
Number of Regulators 1	Package / Case TO-261-4, TO-261AA
Voltage - Input (Max) 15V	Supplier Device Package SOT-223-4
Voltage - Output (Min/Fixed) 1.8V	Base Product Number REG1117
Voltage Dropout (Max) 1.55V @ 1A

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Substitutes (13)

Part Number	Manufacturer	Quantity Available	DigiKey Part Number	Unit Price	Substitute Type
LM1117MPX-1.8/NOPB	Texas Instruments	241	LM1117MPX-1.8/NOPBTR-ND	$1.20000	Similar
LM1117MP-1.8/NOPB	Texas Instruments	0	LM1117MP-1.8/NOPBTR-ND	$1.41000	Similar
LMS8117AMPX-1.8/NOPB	Texas Instruments	0	296-38772-2-ND	$1.32000	Similar
AZ1117H-1.8TRE1	Diodes Incorporated	0	31-AZ1117H-1.8TRE1TR-ND	$0.22000	Similar
AZ1117H-1.8TRG1	Diodes Incorporated	0	31-AZ1117H-1.8TRG1TR-ND	$0.91000	Similar

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80 estimated in stock on 06-Nov-2026

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Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.

REG1117A-1.8