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ACT4533CYH-T

Model Number: ACT4533C

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.5 A Sensorless CC/CV Step-Down DC/DC Converter

Status: No new designs | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4533C is a wide input voltage, high efficiency Active CC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. ACT4533C provides up to 3.5 A output current at 125 kHz switching frequency.

Active CC is a patented control scheme to achieve high-accuracy sensorless constant current control. Active CC eliminates the expensive, high accuracy current sense resistor, making it ideal for Cigarette Lighter Adapter (CLA) applications.

ACT4533C integrates adaptive gate drive to achieve excellent EMI performance, passing the 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.

ACT4533C is available in a SOP-8EP package and requires very few external components for operation.

Key Features

40 V input voltage surge
36 V steady state operation
Up to 3.5 A output current
Output voltage up to 18 V
125 kHz switching frequency eases EMI design
91% efficiency (Vout = 5V @ 2.4 A at Vin = 12 V)
Stable with low ESR ceramic capacitors to allow low-profile designs
Integrated over-voltage protection
Excellent EMI performance
Patented Active CC sensorless constant current control improves efficiency and lowers cost
Resistor programmable
2% feedback voltage accuracy
Advanced feature set

Typical Applications

Car Chargers / Adapters
Rechargeable Portable Devices
General Purpose CC/CV Power Supplies

Part Number: ACT4533CYH-T
Manufacturer: Qorvo
Topology: Step-Down
Input Voltage: 10 - 40 V
Max Output Current: 3.5 A
Frequency: 125 kHz
Features: ActiveCharge™ with Qualcomm QC 2.0, Cable Compensation
Package Type: SOP-8EP

No Content Available

Part Function	Part Number	Description
Evaluation Board	EA4533CYH Qorvo	ACT4533C EVK

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Product Specifications For ACT4533CYH-T DC-DC Non-Sync Step Down Converter

Part Number: ACT4533CYH-T Manufacturer: Qorvo Product Description: 40 V, 3.5 A Sensorless CC/CV Step-Down DC/DC Converter

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ACT4533CYH-T

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.5 A Sensorless CC/CV Step-Down DC/DC Converter

Technical Inquiry Request for ACT4533CYH-T DC-DC Non-Sync Step Down Converter

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ACT4533CYH-T

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.5 A Sensorless CC/CV Step-Down DC/DC Converter

Technical Inquiry Request for ACT4533CYH-T DC-DC Non-Sync Step Down Converter

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