Описание

MT3608 Marking B628 Power Boost Chip on Step Up Regulator

Experience enhanced efficiency and reliability in your small, low-power applications with the B628 Mini DC/DC Regulator. Our state-of-the-art technology incorporates current mode PWM control loop, error amplifier, ramp compensation circuit, comparator, and power switch for optimal results.

Features and Applications of B628 Mini DC/DC Regulator
With a built-in 4A power switch and soft-start protection circuit, the chip works efficiently and stably within a range of loads, extending battery life effectively at up to 93% conversion efficiency. The output voltage is customizable by adjusting two external resistors, and the circuit includes under voltage lockout, current limit, and thermal overload protection to prevent damage in the event of an output overload.

Функции:
Efficiency up to 92%
Output voltage up to 28V
Input voltage range 2-24V
1.2MHz Fixed Switching Frequency
Automatic PWM/PFM switching mode
Integrated 80mΩ power MOSFET
Available in 6-Pin SOT-23 Package
Power path supports short circuit protection

Приложения:
Digital Set Top Box (STB)
Tablet PC (Pad)
LCD Bias Supply
Battery powered equipment
Portable Media Player (PMP)
General purpose