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ACT4527YH-T

Model Number: ACT4527

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.0 A CC/CV Step-Down DC/DC Converter with USB-PD

Status: Discontinued | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4527 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.

ACT4527 has an interface for USB-PD control via a tri-state digital pin. Vout is 5.1 V if this pin is floating, Vout is 9.1 V when this pin’s voltage is less than 0.8 V and Vout is 12.1 V when this pin’s voltage is more than 2.0 V.

The product has accurate output current limits under constant current regulation. It provides up to 3.0 A output current at 125 kHz switching frequency. ACT4527 utilizes an adaptive drive technique to achieve good EMI performance while maintaining greater than 90% efficiency at full load for mini-size CLA designs. ACT4527 also has output short circuit protection with hiccup mode. 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.

ACT4527 is available in a SOP-8EP package and requires very few external components for operation.

Key Features

USB-PD support
Passes USB-IF certification: Test ID 1010060
40 V input voltage surge
4.5 to 36 V operational input voltage
5.1 / 9.1 / 12.1 V output with +/- 1% accuracy
Up to 3.0 A output current
Constant current regulation limit
Hiccup mode protection at output short
> 90% efficiency at full load
0.5 mA low standby input current
5.1 / 9.1 / 12.1 V Output over-voltage protection
Cord voltage 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: ACT4527YH-T
Manufacturer: Qorvo
Topology: Step-Down
Input Voltage: 6 - 36 V
Max Output Current: 3 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.

Part Function	Part Number	Description
Evaluation Board	EA4527YH-T Qorvo	ACT4527EVK

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Product Specifications For ACT4527YH-T DC-DC Non-Sync Step Down Converter

Part Number: ACT4527YH-T Manufacturer: Qorvo Product Description: 40 V, 3.0 A CC/CV Step-Down DC/DC Converter with USB-PD

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Tariff Notice

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

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ACT4527YH-T

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.0 A CC/CV Step-Down DC/DC Converter with USB-PD

Technical Inquiry Request for ACT4527YH-T DC-DC Non-Sync Step Down Converter

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ACT4527YH-T

DC-DC Non-Sync Step Down Conve from Qorvo

40 V, 3.0 A CC/CV Step-Down DC/DC Converter with USB-PD

Technical Inquiry Request for ACT4527YH-T DC-DC Non-Sync Step Down Converter

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