The MIC2207 is a high efficiency PWM buck (step-down) regulator that provides up to 3A of output current.
The Micrel MIC2207 is a high‑efficiency PWM buck (step‑down) regulator that operates from 2.7 V to 5.5 V input and delivers up to 3 A of output current. It features an integrated 3 A MOSFET, 100 % maximum duty cycle, and a switching frequency of 2 MHz, achieving efficiencies above 94 %.
The device is offered in a 3 mm × 3 mm exposed‑pad MLF‑12L package with a junction temperature range of –40 °C to +125 °C. It includes pins for VIN, SW, EN, FB, PGOOD, and separate power and signal grounds, and supports an adjustable output voltage down to 1 V.
| Input voltage range | 2.7 V – 5.5 V |
|---|---|
| Switching frequency | 2 MHz |
| Efficiency | ≥ 94 % |
| Package | 3 mm × 3 mm MLF‑12L (exposed pad) |
| Junction temperature range | –40 °C to +125 °C |
| Adjustable output voltage | down to 1 V |
The MIC2207 operates with an input voltage from 2.7 V to 5.5 V.
The device switches at a frequency of about 2 MHz.
It is supplied in a 3 mm × 3 mm MLF‑12L exposed‑pad package.