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ACT4082A

Active-Semi
Part Number ACT4082A
Manufacturer Active-Semi
Description 1.4MHz Step-Down DC/DC Converter
Published Apr 1, 2017
Detailed Description Active-Semi ACT4082A Rev0, 16-May-08 16V, 1.2A, 1.4MHz Step-Down DC/DC Converter in SOT23-6 FEATURES • Wide 4.5V to ...
Datasheet PDF File ACT4082A PDF File

ACT4082A
ACT4082A

Overview
Active-Semi ACT4082A Rev0, 16-May-08 16V, 1.
2A, 1.
4MHz Step-Down DC/DC Converter in SOT23-6 FEATURES • Wide 4.
5V to 16V Input Voltage Range • 1.
2A Output Current (12VIN to 5VOUT) • Output Adjustable Down to 0.
81V • 0.
3Ω Internal Power MOSFET • Up to 92% Efficiency • Stable with Low ESR Ceramic Output Capacitors • Fixed 1.
4MHz Operating Frequency • Internal Soft-Start Function • Over Current Protection with Hiccup-Mode • Thermal Shutdown • Available in a SOT23-6 Package APPLICATIONS • TFT LCD Monitors • Portable DVDs, Headphones, MP3 Players, etc.
• Car-Powered or Battery-Powered Equipment • Set-Top Boxes • Telecom Power Supplies • DSL and Cable Modems and Routers GENERAL DESCRIPTION The ACT4082A is a current-mode step-down DC/DC converter that supplies up to 1.
2A into 5V from a 12V input.
1.
4MHz switching frequency allows the use of tiny external components, and internal loop compensation provides simple, stable power supplies with a minimum of ...


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