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5.0 A, 1.0 MHz Integrated Dual Switch-Mode Power Supply
- This page contains information on a product that is not recommended for new designs.
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 3.3 V and 5 V environments.
Both channels can provide up to 5 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
Product Details
Block Diagram
Features
System Features
- 2 buck regulators
- 50 mOhm Integrated N-channel power MOSFETs
- Input voltage operating range from 3 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 MHz
- Programmable soft start timing
- Over current limit and short circuit protection
- Thermal shutdown
- Output over-voltage and under-voltage detection
- Active low power good output signal
- Active low shutdown inputs
- Output current 5 A
- Output voltage 3.3 V
Product Longevity Program
- This product is included in NXP®.s product longevity program, with assured supply for a minimum of 10 years after launch
Buy/Parametrics
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Documentation
Quick reference to our documentation types.
Design Resources
Hardware
Quick reference to our
board types.
2 hardware offerings
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Evaluation and Development BoardsEvaluation Kit - 34717, Dual Switch-Mode Power SupplyFeatured
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Evaluation and Development BoardsMCF5445x Low Cost Evaluation BoardFeatured
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
2 engineering services
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Independent Design House (IDH)
Embedded Software Design
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Original Design Manufacturer (ODM)
Hardware and Software Engineering Services
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