ACT6391
2.
5A PWM Step-Up DC/DC Converter In MSOP
FEATURES
• Greater than 90% Efficiency • Adjustable Output
Voltages Up to 12V • Internal 14V Power
MOSFET • 2.
5A Peak Current • Selectable 700kHz/1.
3MHz Frequency • Integrated Over-
Voltage Protection (OVP) • Programmable Soft-Start Function • Thermal Shutdown • Cycle-by-Cycle Over Current Protection • Small MSOP-8 Package
APPLICATIONS
• TFT LCD Monitors • Battery-Powered Equipment • Set-Top Boxes • DSL and Cable Modems and Routers
SIMPLIFIED APPLICATION CIRCUIT
GENERAL DESCRIPTION
The ACT6391 is a high-performance, fixed-frequency, current-mode PWM step-up DC/DC converter that incorporates internal power
MOSFETs.
The ACT6391’s integrated 0.
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