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RFQ ListingPower Management ICs
IR3447AMTRPBF is an Infineon OptiMOS IPOL fully integrated 25 A synchronous buck regulator using fast Constant-On-Time control with onboard controller and OptiMOS MOSFETs. It accepts 2 V to 17 V input, adjusts output 0.6 V to 7.5 V, and integrates power good, OCP and thermal protection in a 5 x 6 mm PQFN.
ManufacturerInfineon Technologies
PackagePG-VIQFN-29, 5 × 6 mm; Tape & Reel, Pb-free (TRPBF)
SeriesIR3447A
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | Fully integrated single-output synchronous buck regulator with fast Constant-On-Time (COT) control and integrated OptiMOS power stage |
| Input Voltage | 2 V to 17 V wide input range (single 4.3 V to 17 V application with internal VCC LDO) |
| Output Voltage / Current | 25 A maximum output current; adjustable 0.6 V to 7.5 V with 0.6 V ±0.5% precision reference |
| Switching Frequency | 600 kHz switching frequency with forced continuous conduction mode, stable with ceramic output capacitors |
| Features | Enable with voltage monitoring, power-good output, 2 ms soft start, enhanced pre-bias and monotonic startup |
| Protections | Thermally compensated internal overcurrent protection with two selectable settings, thermal shutdown |
| Temperature Grade | -40 °C to +125 °C (junction) |
| Package / Case | PG-VIQFN-29, 5 × 6 mm; Tape & Reel, Pb-free (TRPBF) |
Power Features & Applications
- Fully integrated buck power stage delivering up to 25 A output current
- Fast COT control topology needs no external loop compensation
- High conversion efficiency from integrated OptiMOS MOSFETs and bootstrap diode
- 0.6 V ±0.5% reference supports precision low-voltage output rails
- Selectable overcurrent protection plus power good and thermal shutdown
- Rated -40 to +125 °C junction temperature in RoHS TRPBF reel packing
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Frequently Asked Questions
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