Datasheets
NB679GD-Z by: Monolithic Power Systems

Switching Regulator, 700kHz Switching Freq-Max, QFN-12

Part Details for NB679GD-Z by Monolithic Power Systems

Results Overview of NB679GD-Z by Monolithic Power Systems

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

NB679GD-Z Information

NB679GD-Z by Monolithic Power Systems is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for NB679GD-Z

Part # Distributor Description Stock Price Buy
DISTI # NB679GD-Z
Avnet Americas Conv DC-DC Single Step Down 5.5V to 24V 12-Pin QFN T/R - Tape and Reel (Alt: NB679GD-Z) RoHS: Compliant Min Qty: 5000 Package Multiple: 5000 Lead time: 24 Weeks, 0 Days Container: Reel 0
RFQ

Part Details for NB679GD-Z

NB679GD-Z CAD Models

NB679GD-Z Part Data Attributes

NB679GD-Z Monolithic Power Systems
Buy Now Datasheet
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NB679GD-Z Monolithic Power Systems Switching Regulator, 700kHz Switching Freq-Max, QFN-12
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MONOLITHIC POWER SYSTEMS INC
Package Description QFN-12
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 24 Weeks
Samacsys Manufacturer Monolithic Power Systems (MPS)
Analog IC - Other Type SWITCHING REGULATOR
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 24 V
Input Voltage-Min 5.5 V
Input Voltage-Nom 12 V
JESD-30 Code R-XQCC-N12
JESD-609 Code e3
Length 3 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 12
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Voltage-Nom 5 V
Package Body Material UNSPECIFIED
Package Code VQCCN
Package Shape RECTANGULAR
Package Style CHIP CARRIER, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Seated Height-Max 1 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 700 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish MATTE TIN
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 40
Width 2 mm

NB679GD-Z Related Parts

NB679GD-Z Frequently Asked Questions (FAQ)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power lines.

  • Ensure that the output capacitor has a low ESR, and the input capacitor has a high capacitance. Also, add a small ceramic capacitor (e.g., 10nF) between the VIN and GND pins to filter out high-frequency noise.

  • The NB679GD-Z can operate reliably up to 85°C ambient temperature, but derating is recommended above 70°C to ensure long-term reliability.

  • While the datasheet recommends a specific inductor value, you can use a different value or type, but ensure it meets the required inductance and current rating. Consult the inductor manufacturer's datasheet and perform thorough testing to ensure compatibility.

  • Use an oscilloscope to check the input and output waveforms, and verify that the input voltage is within the recommended range. Check for proper PCB layout, component selection, and soldering quality. Consult the datasheet and application notes for guidance.

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