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Qorvo ACT4533BYH-T product image
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Qorvo ACT4533BYH-TRoHS

Manufacturer
Qorvo
MPN
ACT4533BYH-T
LCSC Part #
C5361366
Packaging
SOP-8
Customer #
Key Attributes
Wide Input Voltage High Efficiency CC/CV Step-Down DC/DC Converter
Datasheetpdf iconQorvo ACT4533BYH-T
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QtyUnit Price(Reference Only)Total Amount
1+$ 3.5872$ 3.59
10+$ 3.0667$ 30.67
30+$ 2.7579$ 82.74
100+$ 2.4443$ 244.43
500+$ 2.3004$ 1150.20
1,000+$ 2.2357$ 2235.70
Standard Packaging4000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerQorvo
PackagingSOP-8
Operating Temperature-40℃~+85℃
Frequency - Switching125kHz
Number of Outputs1
FunctionStep-down type
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Cable compensation;External compensation;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage10V~38V
Switch tube (built-in/external)Built-in
Output Voltage12V
Output Current3.5A
Quiescent Current1.4mA
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Introduction

AI Translation

ACT4533A/B is a wide input voltage, high efficiency ActiveCC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. ACT4533A/B provides up to 3.5 A output current at 125 kHz switching frequency. ActiveCC is a patented control scheme to achieve high accuracy sensorless constant current control. ActiveCC eliminates the expensive, high accuracy current sense resistor, making it ideal for CLA applications. ACT4533A/B integrates adaptive gate drive to achieve excellent EMI performance passing EN55022 Class B EMC standard without adding additional EMI components while maintaining high conversion efficiency. Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit. The devices are available in a SOP-8EP package and require very few external devices for operation. The only difference between ACT4533A and ACT4533B is that Pin 7 provides OVP for ACT4533A and EN/OVP for ACT4533B.

Features

AI Translation
  • 40 V Input Voltage Surge
  • 36 V Steady State Operation
  • Up to 3.5 A output current
  • Output Voltage up to 12 V
  • 125 kHz Switching Frequency Eases EMI Design
  • 91% Efficiency (V_OUT = 5 V @ 2.4 A at V_IN = 12 V)
  • Stable with Low-ESR Ceramic Capacitors to Allow Low-Profile Designs
  • Integrated Over Voltage Protection
  • Excellent EMI Performance
  • Patented ActiveCC Sensorless Constant Current Control Improves Efficiency and Lowers Cost.
  • Resistor Programmable: Current Limit from 1.5 A to 4.0 A; Patented Cable Compensation from 0 to 0.25 Ω
  • ±7.5% CC Accuracy: Compensation of Input /Output Voltage Change; Temperature Compensation; Independent of inductance and Inductor DCR
  • 2% Feedback Voltage Accuracy
  • Advanced Feature Set: Integrated Soft Start; Thermal Shutdown; Secondary Cycle-by-Cycle Current Limit; Protection Against Shorted ISET Pin
  • SOP-8EP Package

Applications

AI Translation
  • Car Charger/ Adaptor
  • Rechargeable Portable Device
  • CV/CC regulation DC/DC converter