IR3870M SupIRBuckTM is an easy-to-use, fully integrated and highly efficient DC/DC voltage regulator. It features a wide input voltage range, adjustable output voltage range, continuous 10A load capability, excellent efficiency, programmable switching frequency, soft start, and over current protection. This product is suitable for various applications such as notebook computers, game consoles, and consumer electronics.
The IR3870MBF SupiRBuck™ is a highly efficient, fully integrated DC‑DC voltage regulator designed for notebook, desktop, game console and other consumer electronics applications. It features a constant‑on‑time hysteretic controller, programmable switching frequency, soft‑start, over‑current protection and a precision 0.5 V reference.
The device is supplied in an ultra‑small 5 × 6 mm QFN package, is lead‑free, halogen‑free and RoHS compliant. Detailed electrical specifications, pin descriptions, recommended operating conditions and typical application circuits are provided for designers.
| Input Voltage Range | 3 V to 26 V |
|---|---|
| Output Voltage Range | 0.5 V to 12 V |
| Continuous Load Capability | 10 A |
| Switching Frequency | 1000 kHz |
| Package | 5 × 6 mm QFN |
The absolute maximum rating for VIN is 30 V.
It is supplied in a 5 × 6 mm QFN package.
Yes, it provides a 0.5 V reference with ±1 % accuracy.