UC3551 Datasheet - Unisonic Technologies

ADVANCED PWM STEP-UP DC-DC CONVERTER

UC3551 Features

* high switching rate which is up to 450 KHz, making the external component counts less required. Moreover, it features 17μA low quiescent current, which makes the battery life longer. The low start-up input voltage below 1V makes UTC UC3551 suitable for 1 to 4 battery cells applications of providing

UC3551 General Description

The UTC UC3551 is a step-up DC/DC converter with high efficiency and low start-up voltage. It is operaded in stable waveforms without external compensate. This device incorporates an adaptive current mode PWM control loop in which an error amplifier, ramp generator, comparator, switch pass element a.

UC3551 Datasheet (150.55 KB)

UC3551 Datasheet Preview — Preview of UC3551 PDF

Datasheet Details

Part number:

UC3551

Manufacturer:

Unisonic Technologies

File Size:

150.55 KB

Description:

Advanced pwm step-up dc-dc converter.

📁 Related Datasheet

UC3550 PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER (UTC)

UC3552 PWM DC-DC CONVERTER (Unisonic Technologies)

UC3555 500MA HIGH EFFICIENCY BOOST REGULATOR (UTC)

UC3500 HIGH EFFICIENCY VFM CONTROLLED STEP-UP DC/DC CONVERTER (UTC)

UC3501 LOW COST FLASHLIGHT LED DRIVE (UTC)

UC3524 ADVANCED REGULATING PULSE WIDTH MODULATORS (Texas Instruments)

UC3524A ADVANCED REGULATING PULSE WIDTH MODULATORS (Unitrode)

UC3525A SMPS Controller (Fairchild Semiconductor)

UC3525A Regulating Pulse Width Modulators (Texas Instruments)

UC3525B Regulating Pulse Width Modulators (Unitrode)

TAGS

UC3551 ADVANCED PWM STEP-UP DC-DC CONVERTER Unisonic Technologies

Image Gallery

UC3551 Features

UC3551 General Description

Datasheet Details

File Size:

Description:

UC3551 Distributor