UC3550 Description
The UTC UC3550 series is a pact, high efficiency, step-up DC/DC controllers includes an error amplifier, oscillator, PWM parator, skip cycle parator, voltage reference, soft-start, and high speed lower ON-resistance driver for driving external power devices (NMOS or NPN) ,Additionally, a CE (chip enable) function that reduces power consumption during shut-down mode. That typically operated from a single-or dual-cell...
UC3550 Key Features
- Input Voltage Range：0.9~8V
- Output Voltage Range：1.8~6V Programmable in 0.1V with High Accuracy ± 2.5%
- High Efficiency 88% (Typ.)
- Low Start-up Voltage of 0.9V Typical at IOUT = 1.0mA
- Oscillator Frequency: 300kHz.(±20%)
- Chip Enable Pin with Pull-up Current Source
- High Output Current up to 1000mA (VIN = 2.0V, VOUT =3.3V)
- ORDERING INFORMATION
- MARKING INFORMATION