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ACT4082A Datasheet (PDF) - Active-Semi, Inc

ACT4082A Datasheet PDF - Active-Semi, Inc
Part # ACT4082A
Download  ACT4082A Download

File Size   425.71 Kbytes
Page   11 Pages
Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc
Description 16V, 1.2A, 1.4MHz Step-Down DC/DC Converter in SOT23-6

ACT4082A Datasheet (PDF)

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ACT4082A Datasheet PDF - Active-Semi, Inc

Part # ACT4082A
Download  ACT4082A Click to download

File Size   425.71 Kbytes
Page   11 Pages
Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc
Description 16V, 1.2A, 1.4MHz Step-Down DC/DC Converter in SOT23-6

ACT4082A Datasheet (HTML) - Active-Semi, Inc

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ACT4082A Product details

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 external components. Optimized for use with ceramic input and output capacitors, the ACT4082A provides a very compact 1.2A power supply for space constrained mobile and consumer applications.
   
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
   




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