UC3550 Datasheet - UTC

UC3550, PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER

UNISONIC TECHNOLOGIES CO., LTD UC3550 PWM CONTROLLED, PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER * .
The UTC UC3550 series is a compact, high efficiency, step-up DC/DC controllers includes an error amplifier, oscillator, PWM comparator, skip cycle com.

datasheet Preview Page 1 from Datasheet4u.com

UC3550_UTC.pdf

UC3550 Datasheet Preview — Preview of UC3550 PDF

Datasheet Details

Part number:

UC3550

Manufacturer:

UTC

File Size:

381.32 KB

Description:

PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER

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

Applications

* The UTC UC3550 series goes automatically into skip switching cycles under light load condition to maintain high efficiency. 5

UC3550 Distributors

📁 Related Datasheet

UC3551 UC3552 UC3524 UC3524A UC3525A UC3525B

📌 All Tags

UC3550 PWM PFM SWITCHABLE STEP-UP DC-DC CONTROLLER UTC

UTC UC3550-like datasheet