home products Semiconductors Power DC-DC Power Conversion NB676A 8A,24V, Fixed 5.15V,COT Synchronous Buck Converter with LDO
NB676A 8A,24V, Fixed 5.15V,COT Synchronous Buck Converter with LDO
NB676A

NB676A 8A,24V, Fixed 5.15V,COT Synchronous Buck Converter with LDO

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The NB676A is a fully integrated high frequency synchronous rectified step-down switch mode converter with 5.

Product Detail

The NB676A is a fully integrated high frequency synchronous rectified step-down switch mode converter with 5.15V fixed output voltage. It offers very compact solution to achieve 8A continuous output current and 10A peak output current over a wide input supply range with excellent load and line regulation. The NB676A operates at high efficiency over a wide output current load range. Constant-On-Time (COT) control mode provides fast transient response and eases loop stabilization. Under voltage lockout is internally set as 4.15 V. An open drain power good signal indicates the output is within its nominal voltage range. NB676A also provides a 5.15V LDO, which can be used to power the external peripheries, such as the keyboard controller in the laptop computer. A 300kHz CLK is also available; its output can be used to drive an external charge pump, generating gate drive voltage for the load switches without reducing the main converter? efficiency. Full protection features include OCP, OVP, UVP and thermal shut down. The converter requires minimum number of external components and is available in QFN16 (3mmx3mm) package.

Pricing Table

Technical Specification

Vin (min) (V):
6.5
Vin (max) (V):
24
Iout (max) (A):
8
Grade:
Catalog
Type:
Switching Regulators
Iq (typ) (mA):
0.205
fsw (max) (kHz):
500
Special Features:
Fixed Output,Output Discharge
Common Features:
Light-Load Efficiency,Power Good,Synchronous Rectification
Control Mode:
COT

Additional Documentation

Manufacturer

Monolithic Power Systems (MPS)

Monolithic Power Systems, Inc. (MPS) provides small, highly energy efficient, easy-to-use power solutions for systems found in industrial applications, telecom infrastructures, cloud computing, automotive, and consumer applications.

Learn about Monolithic Power Systems (MPS)

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