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IS31BL3508B - 1.0MHZ BOOST CONVERTER

General Description

IS31BL3508B is a boost converter featuring an integrated MOSFET switch designed for driving series strings of LED or other device.

Input operating voltage range is 2.7V~5.5V.

The device regulates the LED load current and it is controlled by an external, low value sensing resistor.

Key Features

  • an over voltage shutdown pin which prevents the output voltage from exceeding 38V (Typ. ) in the case of an open circuit condition. The device is offered in a SOT-23-6 package and a temperature rating from -40°C ~ +85°C.

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Datasheet Details

Part number IS31BL3508B
Manufacturer Lumissil
File Size 498.53 KB
Description 1.0MHZ BOOST CONVERTER
Datasheet download datasheet IS31BL3508B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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IS31BL3508B 1.0MHZ BOOST CONVERTER WITH 38V INTERNAL MOSFET SWITCH March 2024 GENERAL DESCRIPTION IS31BL3508B is a boost converter featuring an integrated MOSFET switch designed for driving series strings of LED or other device. Input operating voltage range is 2.7V~5.5V. The device regulates the LED load current and it is controlled by an external, low value sensing resistor. The device adjusts the PWM duty cycle of the switch to maintain the voltage at the FB pin at a value of 0.2V. The IS31BL3508B operates at a constant switching frequency of 1.0MHz to allow for small component size. IS31BL3508B features an over voltage shutdown pin which prevents the output voltage from exceeding 38V (Typ.) in the case of an open circuit condition.