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TB9911 - Switch-Mode LED Driver

This page provides the datasheet information for the TB9911, a member of the TB9911-Top Switch-Mode LED Driver family.

Datasheet Summary

Description

The TB9911 is a current mode control LED driver IC designed to control single switch PWM converters (buck, boost, buck-boost, or SEPIC), in a constant frequency or constant off-time mode.

Features

  • ※Switch mode controller for single switch drivers ○Buck ○Boost ○Buck-boost ○SEPIC ※Works with high side current sensing ※Closed loop control of output current ※High PWM dimming ratio ※Internal 250V linear regulator (can be extended using external zener diodes) ※Internal 2% Voltage Reference (0°C < TA < 85°C) ※Constant frequency or constant off-time operation ※Programmable slope compensation ※Enable & PWM dimming ※+0.2A/-0.4A gate drive ※Output short circuit protection ※Output over voltage protec.

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Datasheet preview – TB9911

Datasheet Details

Part number TB9911
Manufacturer Top-Best
File Size 0.97 MB
Description Switch-Mode LED Driver
Datasheet download datasheet TB9911 Datasheet
Additional preview pages of the TB9911 datasheet.

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Full PDF Text Transcription

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TB9911 Switch-Mode LED Driver IC with High Current Accuracy Features ※Switch mode controller for single switch drivers ○Buck ○Boost ○Buck-boost ○SEPIC ※Works with high side current sensing ※Closed loop control of output current ※High PWM dimming ratio ※Internal 250V linear regulator (can be extended using external zener diodes) ※Internal 2% Voltage Reference (0°C < TA < 85°C) ※Constant frequency or constant off-time operation ※Programmable slope compensation ※Enable & PWM dimming ※+0.2A/-0.
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