MC34717EP中文资料Switch-Mode Power Supply, Fully Integrated, 2-channel, 5.0 A 1.0 MHz, QFN 26数据手册恩XP规格书

描述 Description

The NXP® MC34717 is a highly integrated, space-efficient, low cost, dual synchronous buck switching regulator with integrated N-channel power MOSFETs. It is a high performance dual point-of-load power supply with enhanced features for 3.3V and 5.0V environments.
Both channels can provide up to 5.0 A of continuous output current capability with high efficiency and tight output regulation
The second channel has the ability to track an external reference voltage in different configurations
The MC34717 offers you the flexibility of control, supervisory, and protection functions to allow easy implementation of complex designs

特性 Features

• 50 mOhm Integrated N-Channel Power MOSFETs
• Input Voltage Operating Range from 3.0 V to 6.0 V
• 1% Accurate Output Voltages, Ranging from 0.7 V to 3.6 V
• The Second Output Has Voltage Tracking Capability in Different Configurations
• Programmable Switching Frequency Range from 200 kHz to 1.0 MHz
• Programmable Soft Start Timing
• Over Current Limit and Short Circuit Protection
• Thermal Shutdown
• Output Overvoltage and Undervoltage Detection
• Active Low Power Good Output Signal Active Low Shutdown Input
• This product is included in NXP®.s product longevity program, with assured supply for a minimum of 10 years after launch

应用 Application

Industrial
•Fetal Heart Rate Monitors
•Heart Rate Monitors
•Powered Patient Beds
•Pulse Oximetry
Secure Transaction and Retail Payments
•Portable Electronic Point of Sale (ePOS) Terminals