Active-Semi ACT4082A
The ACT4082A is a current-mode step-down DC/DC converter that supplies up to 1.2A into 5V from a 12V input.| Part No. | ACT4082A |
|---|---|
| Datasheet | ACT4082A Download |
| Manufacturer |  Active-Semi |
| Description | 1.4MHz Step-Down DC/DC Converter |
| Buy | Stock & Price |
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
1.4MHz switching frequency allows the use of tiny external components, and internal loop compensation provides simple, stable power supplies with a minimum of
