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ACT4524YH-T

Model Number: ACT4524

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.5 A CC/CV Step-Down DC/DC Converter with Dual Output and Separated Overcurrent Protection

Status: Discontinued | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4524 is a wide input voltage, high efficiency step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

ACT4524 has separated output current limits for dual port Cigarette Lighter Adapter (CLA) applications. With the separated current limits, the CLA can meet Apple’s MFI standard.

The product provides up to 3.5 A output current at 125 kHz switching frequency. ACT4524 utilizes adaptive drive technique to achieve good EMI performance while maintain 90% efficiency at full load for mini-size CLA designs. ACT4524 also has built-in hiccup mode output short circuit protection. The average output current is reduced to below 6 mA when output is shorted to ground. Other features include output over-voltage protection and thermal shutdown.

ACT4524 is available in a SOP-8EP package and requires very few external components for operation.

Key Features

40 V input voltage surge
4.5 to 36 V operational input voltage
Dual 5.1 V outputs with 1% accuracy
Up to 3.5 A output current
2.65 A constant current regulation for VOUT1
1.2 A constant current regulation for VOUT2
Hiccup mode protection at output short
> 90% efficiency at full load
< 0.5 mA low standby input current
5.7 V output over-voltage protection
Cord voltage drop compensation
Meets EN55022 Class B radiated EMI standard

Typical Applications

Car Chargers
Cigarette Lighter Adapters (CLAs)
Rechargeable Portable Devices
CV/CC Regulation DC/DC Converters

Part Number: ACT4524YH-T
Manufacturer: Qorvo
Topology: Step-Down
Input Voltage: 4.5 - 36 V
Max Output Current: 3.5 A
Frequency: 125 kHz
Features: Cable Compensation, Sensorless CC Control
Package Type: SOP-8EP

Tariff Notice

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

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Product Specifications For ACT4524YH-T DC-DC Non-Sync Step Down Converter

Part Number: ACT4524YH-T Manufacturer: Qorvo Product Description: 40 V, 3.5 A CC/CV Step-Down DC/DC Converter with Dual Output and Separated Overcurrent Protection

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Product Notices

Tariff Notice

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

Description	Units Per Format	Available

Description	Units Per Format	Available

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ACT4524YH-T

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.5 A CC/CV Step-Down DC/DC Converter with Dual Output and Separated Overcurrent Protection

Technical Inquiry Request for ACT4524YH-T DC-DC Non-Sync Step Down Converter

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ACT4524YH-T

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.5 A CC/CV Step-Down DC/DC Converter with Dual Output and Separated Overcurrent Protection

Technical Inquiry Request for ACT4524YH-T DC-DC Non-Sync Step Down Converter

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