VP3380 Datasheet | Viva Electronics

Description Features The VP3380 is a versatile converter designed for the use in boost topology which needs no external MOSFET. Besides cycle-by-cycle current limiting, current mode control scheme also makes it wide bandwidth and good transient response. The peak current limit can be programmed simply with an external resistor. The switching frequency can be set in any value between 100k Hz and 1MHz with a resistor or any external clock source. The VP3380 can be operated at higher switching frequency to save the solution board size. While entering shutdown mode, the VP3380 only sinks 10μA and it allows power supply sequencing. It has built-in protection circuits such as thermal shutdown, under-voltage lockout, short circuit protection, and overvoltage protection. Internal soft-start circuitry reduces the inrush current at start-up. - Start-Up Voltage from 3V - Input Voltage from 6V to 28V - Switch Current Limit up to 10A - Peak Output Current up to 8A - 28V Maximum Output Voltage - Reference Voltage with ± 3% Accuracy - Adjustable 100k Hz~1MHz Clock Frequency - 10μA Shutdown Current - Current Mode Operation - Integrated 30V/10A/15mΩ MOSFET Switch - External RC pensation - Internal Soft-Start - High Efficiency at Light Loads - Peak Current Limit and Over Temperature Protection - Adjustable Input UVLO Threshold Voltage - QFN32 5x5 Dual Exposed Pad Green Package with Ro HS pliant VP3380 is available in small QFN32 5x5 green Applications package with dual exposed pad. - Portable Speakers - Offline Power Supply - Battery Powered Device Typical Application VP3380 Rev P.00 1 http://.viva-elec..tw Preliminary Functional Block Diagram FADJ UVLO FB P AGND Soft Start Slope pensation RAMP CLK Oscillator Control Logic 1.275V Voltage Reference + Error...