MAX767
LAST TIME BUY5V to 3.3V Output, Synchronous, Step-Down Power Supply Controller
High Precision ±2.5% Supply for Single or Dual Pentium® Systems
- Part Models
- 2
- 1ku List Price
- Starting From $4.24
Overview
- >90% Efficiency
- 700µA Quiescent Supply Current
- 120µA Standby Supply Current
- 4.5V-to-5.5V Input Range
- Low-Cost Application Circuit
- All N-Channel Switches
- Small External Components
- Tiny Shrink-Small-Outline Package (SSOP)
- Predesigned Applications:
- Standard 5V to 3.3V DC-DC Converters up to 10A
- High-Accuracy Pentium P54C VR-Spec Supply
- Fixed Output Voltages Available:
- 3.3V (Standard)
- 3.45V (High-Speed Pentium™)
- 3.6V (PowerPC™)
- 3.3V (Standard)
The MAX767 is a high-efficiency, synchronous buck controller IC dedicated to converting a fixed 5V supply into a tightly regulated 3.3V output. Two key features set this device apart from similar, low-voltage step-down switching regulators: high operating frequency and all N-channel construction in the application circuit. The 300kHz operating frequency results in very small, low-cost external surface-mount components.
The inductor, at 3.3µH for 5A, is physically at least five times smaller than inductors found in competing solutions. All N-channel construction and synchronous rectification result in reduced cost and highest efficiency. Efficiency exceeds 90% over a wide range of loading, eliminating the need for heatsinking. Output capacitance requirements are low, reducing board space and cost.
The MAX767 is a monolithic BiCMOS IC available in 20-pin SSOP packages. For other fixed output voltages and package options, please consult the factory.
Applications
- Local 5V-to-3.3V DC-DC Conversion
- Microprocessor Daughterboards
- Power Supplies Up to 10A or More
Documentation
Data Sheet 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX767CAP+ | 20-Lead SSOP (7.33mm x 5.38mm x 1.99mm) | ||
| MAX767CAP+T | 20-Lead SSOP (7.33mm x 5.38mm x 1.99mm) |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Can't find the software or driver you need?
Request a Driver/SoftwareEvaluation Kits
Evaluation Kit for the MAX767
Latest Discussions
No discussions on MAX767 yet. Have something to say?
Start a Discussion on EngineerZone®