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NB685GQ-Z
+NomenclatureSwitching Voltage Regulators 26V 12A High Current Sync Buck Converter
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FabricantSystème d'alimentation monolithique (MPS)
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Pièce fabricant #NB685GQ-Z
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En stock25091
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Spécifications
| Attribut | Valeur |
| Packaging | Reel |
| Standard Pack Qty | 5000 |
Présentation
Description
Key features of the NB685GQ-Z include its high efficiency, achieved through low RDS(on) and advanced design, and a programmable switching frequency, allowing for optimization of size and performance. The device also offers robust protection features, such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliable operation under diverse conditions.
Compact in size and available in a QFN package, the NB685GQ-Z is ideal for space-constrained applications. Its combination of high performance, flexibility, and protection features makes it a versatile choice for power management solutions.
Equivalent
1. TI's TPS54360 – 60V, 3.5A buck converter.
2. LM2596 – 3A step-down voltage regulator.
3. MP4462 from Monolithic Power Systems – 4A, 34V step-down converter.
4. LTC3630 from Analog Devices – 76V, 500mA synchronous step-down regulator.
These products can have similar functionalities and are used in comparable applications, though specifications like voltage and current ratings might vary.
Features
The converter offers adjustable output voltage settings, usually configured via external resistors, providing flexibility in meeting specific application needs. It includes integrated protection features such as overcurrent protection, thermal shutdown, undervoltage lockout, and short-circuit protection, ensuring reliable operation under various conditions.
The NB685GQ-Z is typically housed in a compact QFN package, which helps in saving board space, making it suitable for compact designs. It supports high switching frequencies, which can be beneficial for minimizing the size of external components like inductors and capacitors. The converter is ideal for use in battery-powered devices, portable electronics, and other applications where efficient, reliable power management is crucial.
Pinout
The NB685GQ-Z comes in a QFN (Quad Flat No-leads) package with a pin count of 16 pins. The primary functions of this IC are to step down a higher input voltage to a lower output voltage efficiently and to support high switching frequencies, which allows the use of smaller external components.
The main functions of the pins include:
1. VIN: Input voltage supply.
2. SW: Switch node, connected to the inductor.
3. GND: Ground connection.
4. FB: Feedback input for voltage regulation.
5. EN: Enable input for turning the converter on or off.
6. COMP: Compensation pin for loop stability.
7. BST: Bootstrap pin to drive the high-side FET.
8. VCC: Internal supply voltage for the IC.
The remaining pins are often used for additional functions like synchronization, frequency setting, or providing additional ground connections. For precise pin assignments and functions, referring to the manufacturer's datasheet is recommended.