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IS31LT3353 Datasheet

Part Number IS31LT3353
Manufacturers ISSI
Logo ISSI
Description 40V/1A BUCK LED DRIVER
Datasheet IS31LT3353 DatasheetIS31LT3353 Datasheet (PDF)

IS31LT3353 40V/1A BUCK LED DRIVER WITH INTERNAL SWITCH October 2014 GENERAL DESCRIPTION The IS31LT3353 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The chip operates from an input supply between 6V and 40V and provides an externally adjustable output current of up to 1A. The IS31LT3353 includes an integrated output switch and a high-side output current sensi.

  IS31LT3353   IS31LT3353






Part Number IS31LT3354
Manufacturers ISSI
Logo ISSI
Description 40V LED DRIVER
Datasheet IS31LT3353 DatasheetIS31LT3354 Datasheet (PDF)

IS31LT3354 40V LED DRIVER WITH EXTERNAL SWITCH GENERAL DESCRIPTION The IS31LT3354 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently from a voltage source higher than the required LED voltage. The device operates from an input supply between 6V and 40V and provides an externally adjustable output current of up to 2A or even higher, which is determined by the external MOSFET and inductor. The IS31LT3354 includes a hi.

  IS31LT3353   IS31LT3353







Part Number IS31LT3352
Manufacturers ISSI
Logo ISSI
Description 40V LED DRIVER
Datasheet IS31LT3353 DatasheetIS31LT3352 Datasheet (PDF)

IS31LT3352 40V LED DRIVER WITH TEMPERATURE COMPENSATION OCTOBER 2011 GENERAL DESCRIPTION The IS31LT3352 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently from a voltage source higher than the required LED voltage. The chip operates from an input supply between 6V and 40V and provides an externally adjustable output current of up to 750mA. Depending upon supply voltage and external components, this can provide up to.

  IS31LT3353   IS31LT3353







Part Number IS31LT3350
Manufacturers ISSI
Logo ISSI
Description 40V LED DRIVER
Datasheet IS31LT3353 DatasheetIS31LT3350 Datasheet (PDF)

IS31LT3350 40V LED DRIVER WITH INTERNAL SWITCH GENERAL DESCRIPTION The IS31LT3350 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The chip operates from an input supply between 6V and 40V and provides an externally adjustable output current of up to 750mA. Depending upon supply voltage and external components, this can provide up to 30 watts of output power. The .

  IS31LT3353   IS31LT3353







40V/1A BUCK LED DRIVER

IS31LT3353 40V/1A BUCK LED DRIVER WITH INTERNAL SWITCH October 2014 GENERAL DESCRIPTION The IS31LT3353 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The chip operates from an input supply between 6V and 40V and provides an externally adjustable output current of up to 1A. The IS31LT3353 includes an integrated output switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. The output current can be dynamically adjusted by adding either a digital PWM or analog voltage level signal to the ADJ pin. A PWM signal will provide a gated output current while a voltage signal will generate a continuously linear output current. Applying a voltage less than 0.2V to the ADJ pin turns the output off and switches the chip into a low current standby state. The chip is assembled in SOT23-5 package. It operates from 6V to 40V over the temperature range of -40°C to +125°C. FEATURES  Up to 1A output current  High efficiency (up to 97% )  Wide input voltage range: 6V to 40V  Internal 40V power switch  Simple low parts count  Typical 3% output current accuracy  Single pin on/off and brightness control using DC voltage or PWM  Up to 1MHz switching frequency  Inherent LED open-circuit/short-circuit protection  Thermal shutdown protection circuitry  Up to 1200: 1 dimming rate APPLI.


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