Microchip MCP16312-E/MS

降压降压4.4V30V1A

Overview

The Microchip MCP16312 is an adjustable output, fixed frequency, synchronous, step-down DC-DC converter that operates from input voltage sources up to 30V. Integrated into the device is a high-side and low-side switch, fixed frequency Peak Current Mode Control, internal compensation, peak-current limit and over-temperature protection.

Efficiency up to 95%Input Voltage Range: 4.4V to 30V1A Output Current CapabilityOutput Voltage Range: 2.0V to 24VQualification: AEC-Q100 Rev. G, Grade 1 (-40°C to 125°C)Integrated N-Channel High-Side and Low-Side Switches – 170 mA Low-Side, 300 mA High SideStable Reference Voltage: 0.8VPWM Operation: 500 kHzLow Device Shutdown Current: 3 μA typicalLow Device Quiescent Current: 44 μA (non-switching, PFM Mode)Internal CompensationInternal Soft-Start: 300 μs (EN low-to-high)Peak Current Mode ControlCycle-by-Cycle Peak Current LimitUnder-voltage Lockout (UVLO)Over-temperature Protection

Features

Up to 95% Efficiency

Input Voltage Range: 4.4V to 30V

1A Output Current Capability

Output Voltage Range: 2.0V to 24V

Passes Automotive AEC-Q100 Reliability Testing

Low Device Shutdown Current: 3 µA Typical

Applications

PIC®/dsPIC® Microcontroller Bias Supply

24V Industrial Input DC-DC Conversion

General Purpose DC-DC Conversion

Local Point of Load Regulation

Automotive Battery Regulation

Set-Top Boxes

Cable Modems

Wall Transformer Regulation

Laptop Computers

Networking Systems

AC-DC Digital Control Bias

Distributed Power Supplies