IR3621MTR
IC REG CTRLR BUCK 32MLPQ
Pmic Voltage Regulators Dc Dc Switching Controllers
32-VFQFN Exposed Pad
Obsolete
$2.31 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Infineon Technologies |
| Model | IR3621MTR |
| Package / Case | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Frequency - Switching | 200kHz ~ 500kHz |
| Number of Outputs | 2 |
| Supplier Device Package | 32-MLPQ (5x5) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
IR3621MTR by Infineon Technologies is a Buck 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-VFQFN 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.
📖 Technical Guides for IR3621MTR
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →NCP81102MNTWG
IC REG BUCK CTLR 32QFN
TPS53632RSMR
IC REG CTRLR BUCK I2C 32VQFN
MCP16502TAC-E/S8B
PMIC FOR SAMA5DX/SAM9X6 MPUS
TPS40130RHBR
IC REG CTRLR BUCK 32QFN
TPS53632GRSMR
SWITCHING CONTROLLERS HALF-BRIDG
TPS40131RHBR
IC REG CTRLR BUCK 32QFN
All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Clock Sync | Yes |
| Output Type | Transistor Driver |
| Output Phases | 2 |
| Control Features | Frequency Control, Power Good, Soft Start |
| Duty Cycle (Max) | 86.5% |
| Number of Outputs | 2 |
| Output Configuration | Positive |
| Frequency - Switching | 200kHz ~ 500kHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 5.5V ~ 14.5V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.