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SGM3752 - Boost WLED Driver

General Description

The SGM3752 is an asynchronous Boost WLED driver with high efficiency, low EMI and high output voltage.

The Boost converter integrates a 40V, 1.5A internal FET which operates at 1.2MHz switching frequency.

Key Features

  • various protection functions such as open LED protection, OCP protection and thermal shutdown protection. The SGM3752 is available in a Green TSOT-23-6 package. It operates over an ambient temperature range of -40℃ to +85℃.

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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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SGM3752 38V High Efficiency, Boost White LED Driver with PWM Dimming Control GENERAL DESCRIPTION The SGM3752 is an asynchronous Boost WLED driver with high efficiency, low EMI and high output voltage. The Boost converter integrates a 40V, 1.5A internal FET which operates at 1.2MHz switching frequency. Its strong driving ability can drive single or multiple parallel LED strings, which can be used as LED driver for smart phone and tablet backlight. The default LED current can be programmed by the external current-sense resistor RSET. By varying the duty cycle of the PWM signal applied to the CTRL pin, the internal reference voltage is adjusted, which ultimately adjusts the LED sink current. With full PWM duty cycle, the internal reference voltage VREF is 200mV (TYP).