The 3145 is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.25Ωpower MOSFET make this regulator highly power efficient. The internal compensation network also minimizes as much as 6 external component counts. The non-inverting input of error amplifier connects to a 0.6V precision reference voltage and internal soft-start function can reduce the inrush current. The 3145 is available in the SOT23-6L package and provides space-saving PCB for the application fields.

Features

■ Adjustable Output up to 24V

■ Internal Fixed PWM frequency: 1.0MHz

■ Precision Feedback Reference Voltage: 0.6V (±2%)

■ Internal 0.25Ω, 2A, 26V Power MOSFET

■ Shutdown Current: 0.1μA

■ Over Voltage Protection

■ Over Temperature Protection

■ Adjustable Over Current Protection: 0.5A ~ 2.5A

■ Package: SOT23-6L

Applications

■ Chargers

■ LCD Displays

■ Digital Cameras

■ Handheld

 

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