This document describes the features and characteristics of the TDA21211 6x6 QFN high-performance DrMOS product produced by Infineon Technologies AG. It is an Intel compliant DrMOS product that integrates power MOSFET and driver functions. The product is suitable for synchronous buck-step down voltage applications, with a maximum average current of 35A, a wide input voltage range of +5V to +30V, and other features. It is suitable for applications such as memory, voltage modules, CPU/GPU regulation, single phase and multi-phase POL, network and telecom processor.
The TDA21211 is a multichip DrMOS module that integrates a high‑side MOSFET, a low‑side MOSFET and a high‑performance gate driver in a compact 6 mm × 6 mm × 0.8 mm IQFN package. It is designed for synchronous buck regulator applications, offering up to 35 A average current and fast switching up to 1.2 MHz.
The datasheet includes a general description, pinout diagram, electrical specifications, recommended operating conditions, typical application schematics, theory of operation, PCB layout guidance, and contact information for Infineon support.
| Package size | 6 mm × 6 mm × 0.8 mm IQFN |
|---|---|
| Maximum average current | 35 A |
| Input voltage range | -0.3 V to +30 V |
| Switching frequency | 1.2 MHz |
| Operating junction temperature | -40 °C to +150 °C |
The device is offered in a 6 mm × 6 mm × 0.8 mm IQFN package.
The TDA21211 can handle a maximum average current of 35 A.
It operates with an input voltage from –0.3 V up to +30 V.
The datasheet lists a switching frequency limit of 1.2 MHz.