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ACT4088US-T

Model Number: ACT4088

DC-DC Non-Sync Step Down Conve from Qorvo

28 V, 1.5 A, 1.4 MHz Step-Down DC/DC Converter

Status: Discontinued | Data Sheet:

| RoHS Compliance: Rohs Compliant

Overview

Qorvo’s ACT4088 is a current-mode step-down DC/DC converter that supplies up to 1.5 A into 5 V from a 12 V input. The 1.4 MHz switching frequency allows the use of tiny external components and internal loop compensation provides simple, stable power supplies with a minimum of external components.

Optimized for use with ceramic input and output capacitors, ACT4088 provides a very compact 1.5 A power supply for space-constrained mobile and consumer applications. The product operates over a wide input voltage range and utilizes current-mode operation to provide excellent line and load transient response while requiring no external compensation components. Fault protection includes cycle-by-cycle current limiting, frequency foldback, hiccup mode and thermal shutdown. Internal soft-start provides a controlled startup with no overshoot, even at light loads.

ACT4088 is available in a tiny SOT23-6 package and requires very few external components.

Key Features

Wide 4.5 to 28 V input voltage range
1.5 A output current (12 Vin to 5 Vout)
Output adjustable down to 0.81 V
0.3 Ohm internal power MOSFET
Up to 92% efficiency
Stable with low ESR ceramic capacitors
Fixed 1.4 MHz operating frequency
Internal soft-start function
Over-current protection with hiccup mode
Thermal shutdown

Typical Applications

TFT LCD Monitors
Portable DVD Players, Headphones, MP3 Players, etc.
Car-Powered or Battery-Powered Equipment
Set-Top Boxes
Telecom Power Supplies
DSL and Cable Modems and Routers

Part Number: ACT4088US-T
Manufacturer: Qorvo
Topology: Step-Down
Input Voltage: 4.5 - 28 V
Max Output Current: 1.5 A
Frequency: 1400 kHz
Package Type: 6-pin, SOT-23

Tariff Notice

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

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Product Specifications For ACT4088US-T DC-DC Non-Sync Step Down Converter

Part Number: ACT4088US-T Manufacturer: Qorvo Product Description: 28 V, 1.5 A, 1.4 MHz Step-Down DC/DC Converter

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Tariff Notice

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

Description	Units Per Format	Available

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ACT4088US-T

DC-DC Non-Sync Step Down Conve from Qorvo

28 V, 1.5 A, 1.4 MHz Step-Down DC/DC Converter

Technical Inquiry Request for ACT4088US-T DC-DC Non-Sync Step Down Converter

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ACT4088US-T

DC-DC Non-Sync Step Down Conve from Qorvo

28 V, 1.5 A, 1.4 MHz Step-Down DC/DC Converter

Technical Inquiry Request for ACT4088US-T DC-DC Non-Sync Step Down Converter

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