ACT6391
12 V, 2.5 A PWM Step-Up DC/DC Converter
Qorvo's ACT6391 is a high-performance, fixed-frequency, current-mode PWM step-up DC/DC converters that incorporate internal power MOSFETs. It includes an integrated 0.15 Ohm power MOSFET that supports currents of up to 2.5 A.
ACT6391 utilizes simple external loop compensation and a pin-selectable fixed-frequency of either 700 kHz or 1.3 MHz, allowing optimization between component size, cost, and AC performance across a wide range of applications. Additional functions include an externally programmable soft-start function for easy inrush current control, internal over-voltage protection (OVP), cycle-by-cycle current limit protection and thermal shutdown.
ACT6391 is available in the small 8-pin MSOP-8 package.
Key Features
- Greater than 90% efficiency
- Adjustable output voltage up to 12 V
- Internal 14 V power MOSFET
- Selectable 700 kHz / 1.3 MHz frequency
- Integrated over-voltage protection (OVP)
- Programmable soft-start function
- Thermal shutdown
- Cycle-by-cycle over-current protection
Typical Applications
- TFT LCD Monitors
- Battery-Powered Equipment
- Set-Top Boxes
- DSL and Cable Modems and Routers
Parameters
Technical Documents
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