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RICHTEK RT8287AZQW product image
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RICHTEK RT8287AZQWRoHS

Manufacturer
RICHTEKAsian Brands
MPN
RT8287AZQW
LCSC Part #
C7353918
Packaging
WDFN-14(3x4)
Customer #
Key Attributes
4A, 21V, 500kHz Synchronous Step-Down Converter
Datasheetpdf iconRICHTEK RT8287AZQW
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.456$ 0.46
200+$ 0.182$ 36.40
500+$ 0.1759$ 87.95
1,500+$ 0.1729$ 259.35
Standard Packaging1500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerRICHTEK
PackagingWDFN-14(3x4)
Operating Temperature-40℃~+125℃
Frequency - Switching500kHz
FunctionStep-down type
Number of Outputs1
FeaturesAdjustable soft-start;Cycle-by-cycle current limiting;Hiccup current limiting;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage4.5V~21V
Switch tube (built-in/external)Built-in
Output Current4A
Output Voltage808mV~15V
Quiescent Current700uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging1500
Sales UnitPiece

Introduction

AI Translation

The RT8287A is a synchronous step-down regulator with an internal power MOSFET. It achieves 4A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. An adjustable soft-start reduces the stress on the input source at startup. The RT8287A requires a minimal number of readily available external components, providing a compact solution.

Features

AI Translation
  • 4A Output Current
  • Adjustable Soft-Start
  • 120mΩ/40mΩ Internal Power MOSFET Switch
  • Internal Compensation Minimizes External Parts Count
  • Fixed 500kHz Frequency
  • Thermal Shutdown Protection
  • Cycle-by-Cycle Over Current Protection
  • Wide 4.5V to 21V Operating Input Range
  • Adjustable Output from 0.808V to 15V
  • Small 14-Lead WDFN Package
  • RoHS Compliant and Halogen Free

Applications

AI Translation
  • Distributive Power Systems
  • Battery Charger
  • DSL Modems
  • Pre-Regulator for Linear Regulators