Texas Instruments32-WFQFN Exposed PadRoHS
TPS51221RTVT
IC REG TRPL BUCK/LNR SYNC 32WQFN
Category
Subcategory
Pmic Voltage Regulators Linear Switching
Package
32-WFQFN Exposed Pad
Status
Active
$6.59 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | TPS51221RTVT |
| Package / Case | 32-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Topology | Step-Down (Buck) Synchronous (1), Linear (LDO) (2) |
| Frequency - Switching | 200kHz ~ 1MHz |
| Number of Outputs | 3 |
| Supplier Device Package | 32-WQFN (5x5) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
TPS51221RTVT by Texas Instruments is a Step-Down (Buck) Synchronous (1), Linear (LDO) (2) IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 32-WFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Topology | Step-Down (Buck) Synchronous (1), Linear (LDO) (2) |
| w/Sequencer | No |
| w/LED Driver | No |
| w/Supervisor | No |
| Voltage - Supply | 4.5V ~ 28V |
| Number of Outputs | 3 |
| Frequency - Switching | 200kHz ~ 1MHz |
| Voltage/Current - Output 1 | Controller |
| Voltage/Current - Output 2 | 3.3V, 10mA |
| Voltage/Current - Output 3 | 5V, 100mA |
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