MAX1917
PRODUCTIONTracking, Sinking and Sourcing, Synchronous Buck Controller for DDR Memory and Termination Supplies
Reduce Capacitors and Cost of DDR Supplies
- Part Models
- 2
- 1ku List Price
- Starting From $6.98
Overview
The MAX1917 provides a complete power-management solution for DDR memory. It contains a synchronous buck controller and an amplifier to generate 1/2VDDR voltage for VTT and VTTR. The VTT and VTTR voltages are maintained within 1% of 1/2VDDR. The controller operates in synchronous rectification mode to ensure balanced current sourcing and sinking capability of up to 25A. With a shutdown current of less than 5µA, the MAX1917 is the best choice for low-power notebook applications, as well as servers and desktop computers. An all N-FET design optimizes efficiency. The MAX1917 can also be used for generating VDDR and as a general-purpose step-down controller with variable switching frequency as high as 1MHz with few additional components.
The MAX1917 uses Maxim's proprietary Quick-PWM™ architecture for fast transient response up to 96% efficiency, and the smallest external components. Output current monitoring is achieved without sense resistors by monitoring the bottom FET's drain-to-source voltage. The current-limit threshold is programmable through an external resistor. The MAX1917 comes in a space-saving 16-pin QSOP package.
Applications
- AGTL Bus Termination Supplies
- Cell Phone Base Stations
- DDR Memory Power Supplies
- Desktop Computers
- Networking Systems
- Notebook Computers
- Processor or DSP Core Supply
- Storage
Documentation
Data Sheet 1
Design Note 1
Technical Articles 3
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 |
|---|---|---|---|
| MAX1917EEE+ | QSOP | ||
| MAX1917EEE+T | QSOP |
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/SoftwareHardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Switching Regulators & Controllers 3 | ||
| MAX1809 | PRODUCTION | 3A, 1MHz, DDR Memory Termination Supply |
| MAX1714 | PRODUCTION | High-Speed Step-Down Controller for Notebook Computers |
| MAX1718 | PRODUCTION | Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning (IMVP-II) |
Evaluation Kits
Evaluation Kit for the MAX1917
Latest Discussions
No discussions on MAX1917 yet. Have something to say?
Start a Discussion on EngineerZone®