| Function / Topology | Fully integrated 30 A single-voltage synchronous buck regulator in a compact OptiMOS IPOL stage. |
| Output Voltage | 0.5 V to 0.875 xIN (adjustable) |
| Switching Frequency | up to 1.5 MHz (programmable, external sync) |
| Efficiency | up to 95% (typ) |
| Protection | OVP, UVP, OCP, OTP, pre-bias start-up |
| Operating Temperature | -40 °C to +125 °C (junction) |
| Product Category | Power Management |
| Input voltage (VIN) | 4.3 V to 17 V (single supply); 2.0 V to 17 V with external VCC |
| Integration | PWM controller + 2× OptiMOS MOSFETs + bootstrap diode |
| Control | Pseudo-fixed frequency with external clock synchronization |
| Package / Orderable Variant | IQFN 5 × 6 mm, 31 pins, pitch 0.5 mm; exact suffix IR3889MTRPBF |
| Package Details | IQFN 5 × 6 mm, 31 pins, pitch 0.5 mm |
Infineon Technologies
