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21A, 16VOUT, High-Efficiency, Fully Integrated Synchronous High-Power Boost Converter Support 30W Power Load
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The MP3429 is a 600kHz, fixed-frequency, wide input range, highly integrated boost converter. The MP3429 starts from an input voltage as low as 2.7V, and supports up to 30W of load power from a single-cell battery with integrated low RDS(ON) power MOSFETs. The MP3429 adopts constant-off-time (COT) control topology, which provides fast transient response. MODE supports the selection of pulse-skip mode (PSM), forced continuous conduction mode (FCCM), and ultrasonic mode (USM) in light-load condition. The cycle-by-cycle current limit on the low-side MOSFET prevents current runaway, and the high-side MOSFET eliminates the need for an external Schottky diode. Full protection features include programmable input under-voltage lockout (UVLO) and over-temperature protection (OTP). The MP3429 is available in a QFN-13 (3mmx4mm) package.
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Features & Benefits
- 2.7V to 13V Start-Up Voltage
- 0.8V to 13V Operating Voltage
- Up to 16V Output Voltage
- Supports 30W Average Power Load and 40W Peak Power Load from 3.3V
- 21.5A Internal Switch Current Limit
- Integrated 6.5mΩ and 10mΩ Power MOSFETs
- >95% Efficiency for 3.6V VIN to 9V/3A
- Selectable PSM, >23kHz USM, and FCCM in Light-Load Condition
- 600kHz Fixed Switching Frequency
- Adaptive COT for Fast Transient Response
- External Soft Start and Compensation Pins
- Programmable UVLO and Hysteresis
- 150°C Over-Temperature Protection (OTP)
- Available in a QFN-13 (3mmx4mm) Package
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EV3429-L-00A Evaluation Kit 21A High Efficiency Fully-Integrated Synchronous Boost Converter EV Board
EV3429-L-00A Evaluation Board is designed to demonstrate the capability of MP3429. The MP3429 is a 600kHz fixed frequency, wide input range, highly integrated boost converter. It starts from an input voltage as low as 2.7V, and supports up to 30W load power from 1-cell battery.
MP3429 adopts constant-off-time (COT) control topology providing fast transient response. One MODE pin supports mode selection of PSM, FCCM and USM in light load condition. And the integrated LS and HS MOSFET simplify the design and save BOM cost.
The MP3429 also features with programmable input UVLO and over temperature protection.
The MP3429 is available in a 13-pin 3mmx4mm QFN package.