MB3883 Overview
The MB3883 is a 6-channel step-up/step-down DC/DC converter IC using pulse width modulation (PWM) and synchronous rectification, designed for low voltage, high efficiency, and pact size. This IC is ideal for up conversion, down conversion, and up/down conversion (using a step-up/step-down Zeta system with free input and output settings). The MB3883 can operate at low voltage levels, and has a wide supply voltage...
MB3883 Key Features
- Supports synchronous rectification (CH1, 2, 5)
- Supports for down-conversion and up/down Zeta conversion (CH1, 2) Supports for up-conversion (CH5)
- Supports up-conversion (CH3, 4, 6)
- Low start-up voltage : 1.7 V (CH6)
- Power supply voltage range : 2.4 V to 9 V (CH6) : 3.6 V to 9 V (CH1 to CH5)
- Built-in high-precision reference voltage circuit : ±1 %
- Wide operating oscillator frequency range with high-frequency capability : 100 kHz to 1 MHz
- Error amplifier output for soft start (CH1 to CH6)
- Totem-pole type output switch control circuit
- IN (S) 4
MB3883 Applications
- Supports synchronous rectification (CH1, 2, 5)
- Supports for down-conversion and up/down Zeta conversion (CH1, 2) Supports for up-conversion (CH5)
- Supports up-conversion (CH3, 4, 6)