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L6668TR Datasheet (PDF) - STMicroelectronics

L6668TR Datasheet PDF - STMicroelectronics
Part # L6668TR
Download  L6668TR Download

File Size   671.11 Kbytes
Page   23 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description SMART PRIMARY CONTROLLER

L6668TR Datasheet (PDF)

Go To PDF Page Download Datasheet
L6668TR Datasheet PDF - STMicroelectronics

Part # L6668TR
Download  L6668TR Click to download

File Size   671.11 Kbytes
Page   23 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description SMART PRIMARY CONTROLLER

L6668TR Datasheet (HTML) - STMicroelectronics

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L6668TR Product details

Description

L6668 is a current-mode primary controller IC, designed to build single-ended converters.

The IC drives the system at fixed frequency at heavy load and an improved Standby function causes a smooth frequency reduction as the load is progressively reduced. At very light load the device enters a special operating mode (burst-mode with fixed, externally programmed peak current) that, in addition to the on-board high-voltage start-up and the very low quiescent current, helps keep low the consumption from the mains and be compliant with energy saving regulations. To allow meeting compliance with these standards in power-factor-corrected systems too, an interface with the PFC controller is provided that enables to turn off the pre-regulator when the load level falls below a threshold.



General Features

■ MULTIPOWER BCD TECHNOLOGY

■ LOAD-DEPENDENT CURRENT-MODE CONTROL: FIXED-FREQUENCY (HEAVY LOAD), FREQUENCY FOLDBACK (LIGHT LOAD), BURST-MODE (NO-LOAD)

■ ON-BOARD HIGH-VOLTAGE START-UP

■ IMPROVED STANDBY FUNCTION

■ LOW QUIESCENT CURRENT (< 2 mA)

■ SLOPE COMPENSATION

■ PULSE-BY-PULSE & HICCUP-MODE OCP

■ INTERFACE WITH PFC CONTROLLER

■ DISABLE FUNCTION (ON/OFF CONTROL)

■ LATCHED DISABLE FOR OVP/OTP FUNCTION

■ PROGRAMMABLE SOFT-START

■ 2% PRECISION REFERENCE VOLTAGE EXTERNALLY AVAILABLE

■ ±800 mA TOTEM POLE GATE DRIVER WITH INTERNAL CLAMP AND UVLO PULL-DOWN

■ BLUE ANGEL, ENERGY STAR, EU CODE OF CONDUCT COMPLIANT

■ SO16 PACKAGE ECOPACK®



APPLICATIONS

■ HI-END AC-DC ADAPTERS/CHARGERS FOR NOTEBOOKS.

■ LCD/CRT MONITORS, LCD/CRT TV

■ DIGITAL CONSUMER



 




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About STMicroelectronics


STMicroelectronics is a multinational electronics and semiconductor manufacturer based in Geneva, Switzerland.

The company offers a wide range of products including microcontrollers, sensors, power amplifiers, and integrated circuits for various applications in the automotive, industrial, and consumer markets.

Founded in 1987, STMicroelectronics has operations in over 100 countries and is one of the largest semiconductor companies in the world.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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