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ACT4523YH-T

Model Number: ACT4523YH-T

DC/DC Converter from Qorvo, part of Skyworks

40 V, 3.0 A Sensorless CC/CV Step-Down DC/DC Converter

Status: Discontinued | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4523 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. ACT4523 provides up to 3 A output current at 225 kHz switching frequency.

Active CC is a patent-pending control scheme to achieve highest accuracy sensorless constant current control. Active CC eliminates the expensive, high accuracy current sense resistor, making it ideal for battery charging applications and adaptors with accurate current limit

The product achieves higher efficiency than traditional constant current switching regulators by eliminating its associated power loss. Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit.

ACT4523 is available in a SOP-8EP package and requires very few external components for operation.

Key Features

40 V input voltage surge
38 V steady state operation
Up to 3 A output current
Output voltage up to 12 V
Patent pending Active CC sensorless constant current control
Resistor programmable
+/- 7.5% CC Accuracy
2% feedback voltage accuracy
Up to 94% efficiency
225 kHz switching frequency eases EMI design
Advanced feature set

Typical Applications

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

Part Number: ACT4523YH-T
Manufacturer: Qorvo, part of Skyworks
Topology: Step-Down
Max Input Voltage: 10 - 40 V
Max Output Current: 3 A
Frequency: 225 kHz
Package: SOP-8EP
Features: Cable Compensation, Sensorless CC Control

Tariff Notice

Product may be included on Section 301 Tariff List and subject to applicable tariff charges.

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Product Specifications For ACT4523YH-T DC/DC Converter

Part Number: ACT4523YH-T Manufacturer: Qorvo, part of Skyworks Product Description: 40 V, 3.0 A Sensorless CC/CV Step-Down DC/DC Converter

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Product Notices

Tariff Notice

Product may be included on Section 301 Tariff List and subject to applicable tariff charges.

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ACT4523YH-T

DC/DC Converter from Qorvo, part of Skyworks

40 V, 3.0 A Sensorless CC/CV Step-Down DC/DC Converter

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ACT4523YH-T

DC/DC Converter from Qorvo, part of Skyworks

40 V, 3.0 A Sensorless CC/CV Step-Down DC/DC Converter

Technical Inquiry Request for ACT4523YH-T DC/DC Converter

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