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Monolithic Power Systems NB681 | Demoboard EVNB681-D-00B
26V, Low IQ, High Current Synchronous Buck Converter with 2-Bit VID Evaluation Board
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-26 V |
| Output 1 | 6 A |
| IC revision | 1.0 |
Description
The NB681 is a fully integrated high frequencysynchronous rectified step-down switch modeconverter with 2-Bit VID especially designed forV1.0A, VCCIO, PRIMCORE, EDRAM andEOPIO for IMVP8 applications. It offers verycompact solution to achieve 6A continuousoutput current and 7.5A peak output currentover a wide input supply range
Features
Wide 4.5V to 26V Operating Input Range
- V1.0A/VCCIO/PCH/EDRAM/EOPIOcompatible for IMVP8
- Output adjustable by 2-Bit VID
- Low Power Mode/25uA low quiescentCurrent
- 6A Continous Output Current
- 7.5A Peak Output Current
- Selectable Ultrasonic Mode
- Adaptive COT for Fast transient
- DC Auto Tune Loop
- Stable with POSCAP and Ceramic Cap
- 1% Reference Voltage
- Internal Soft Start and Output Discharge
- OCL, OVP, UVP Protection and ThermalShutdown
- Latch off reset via EN or Power Cycle
Typical applications
- Notebook Systems and Tablet PC
- Networking Systems and Server
- Personal Video Recorders
- Distributed Power Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Operation Force (Value) (g) | Schematic | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744311068 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 0.68 | 20.9 | 9.5 | 20 | 3.1 | 105 | Superflux | – | – | – | ||
 | 450301014042 | SPEC | – | 5 files | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm | – | – | – | – | – | – | – | 800 | SPDT | Bulk |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744311068 | SPEC | |
| 450301014042 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Operation Force (Value) (g) | Schematic | Packaging | Samples |
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