ACT4082A
Description
The ACT4082A is a current-mode step-down DC/DC converter that supplies up to 1.2A into 5V from a 12V input.
Key Features
- Wide 4.5V to 16V Input Voltage Range
- 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
- Portable DVDs, Headphones, MP3 Players, etc
