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NB682 4.5-28V, 3A Synchronous Buck Converter QFN-13
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pMPS NB682 — synchronous buck converter, 4.5-28V input, 3A output, QFN-13./p
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NB682 4.5-28V, 3A Synchronous Buck Converter QFN-13
MPS NB682 is a synchronous buck converter that accepts 4.5 V to 28 V input, delivers 3 A, supplied in a QFN-13 package.
Key Specifications
| Part Number | NB682 |
| Input Voltage | 4.5 V to 28 V |
| Output Current | 3 A |
| Topology | Synchronous Buck Converter |
| Package | QFN-13 |
| Ordering Codes | NB682 |
Features
- Wide 4.5V to 28V Operating Input Range
- VCCIO/PRIMCORE/EDRAM/EOPIO/V1.0A/ 1.8V/2.5V/3.3V Compatible for IMVP8
- Wide Output Adjustable by 2-Bit VID
- Low-Power Mode
- 25µA Low Quiescent Current
- 3A Continuous Output Current
- 4A Peak Output Current
- Selectable Ultrasonic Mode
- Adaptive COT for Fast Transient
- DC Auto-Tune Loop
Applications
- Laptop Computers/Tablet PCs
- Networking Systems
- Personal Video Recorders
- Flat Panel Television and Monitors
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package QFN-13 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the NB682?
4.5–28 V input and 3 A output.
Which package is the NB682 available in?
QFN-13.
Shenzhen Gaorunxin Technology Co., Ltd
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