Texas Instruments TPS51221 Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Power Dual Controller TPS51221RTVT

Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Power Dual Controller 32-WQFN -40 to 85

PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) Synchronous (1), Linear (LDO) (2) 200kHz ~ 1MHz 32-WQFN (5x5)

PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) Synchronous (1), Linear (LDO) (2) 200kHz ~ 1MHz 32-WQFN (5x5)

PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) Synchronous (1), Linear (LDO) (2) 200kHz ~ 1MHz 32-WQFN (5x5)

Manufacturer: Texas Instruments
Win Source Part Number: 1111916-TPS51221RTVT
Packaging: Reel - TR
Mounting: SMD (SMT)
Topology: Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
Frequency - Switching: 200kHz to 1MHz
Number of Outputs: 3
Voltage/Current - Output 1: Controller
Voltage/Current - Output 2: 3.3V, 10mA
Voltage/Current - Output 3: 5V, 100mA
w/LED Driver: No
w/Supervisor: No
w/Sequencer: No
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C
Case / Package: 32-WQFN (5x5)
Purpose: Any Function
Supply Voltage - Operating: 4.5 V to 28 V
Popularity: Medium
Fake Threat In the Open Market: 37 pct.
Supply and Demand Status: Balance

IC REG TRPL BUCK/LNR SYNC 32WQFN

Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Power Dual Controller 32-WQFN -40 to 85 Product overview: TPS51221RTVT from Texas Instruments is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Dual. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, Dual, Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-TPS51221RTVT can be used for catalog matching and distributor lookup.