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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 | Status | 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 PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 0.68 | 20.9 | 9.5 | 20 | 3.1 | 105 | Superflux | – | – | – | ||
 | 450301014042 | SPEC | – | 5 files | Active i| Production is active. Expected lifetime: >10 years. | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm | – | – | – | – | – | – | – | 800 | SPDT | Bulk |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744311068 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 450301014042 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | 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 |
|---|