General Description

The Micrel MIC2166 is a synchronous adaptive on-time buck controller targeting high-performance, cost-sensitive applications such as set-top boxes, gateways, routers, computing peripherals, and telecom/networking equipment.

Features

• Hyper Speed Control™ architecture enables

- High delta V operation (VIN=28V and VOUT=0.8V)

- Small output capacitance

• Built-in 5V regulator for single-supply operation

• Any CapacitorTM stable

- Zero ESR to high ESR

• Power-Good (PGOOD) output

• Input voltage range: 4.5V to 28V

• 5μA typical shutdown current

• 25A output current drive capability

• Adjustable output from 0.8V to 5.5V with ±1 FB accuracy

• 600kHz switching frequency

• Internal 5ms digital soft-start

• Thermal-shutdown and hiccup current-limit protection

• No external current-sense resistor required

• Safe start-up into pre-biased loads

• 10-pin MSOP ePad package

• –40°C to +125°C junction temperature range

Applications

• Set-top box, gateways, routers and DSL modems

• Printers, scanners, graphic and video cards

• Servers, PCs and processor core supply

• Low-Voltage Distributed Power

参考价格：7.6403

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