TPS5403DR

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Part Number	TPS5403DR
Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators
Description	IC REG BUCK 3.3V 1.7A 8SOIC
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	TPS5403DR PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	Dec 07 - Dec 11 2025(Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
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TPS5403DR Specifications

Part Number:	TPS5403DR
Brand:	Texas Instruments
Lifecycle:	Active
RoHS:	Lead free / RoHS Compliant
Category:	Integrated Circuits (ICs)
Subcategory:	Voltage Regulators - DC DC Switching Regulators
Manufacturer:	Texas Instruments
Product Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Fixed
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	28V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	-
Current - Output:	1.7A
Frequency - Switching:	50kHz ~ 1.1MHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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