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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The ILD4035 E6327 is a hysteretic step down LED Driver IC for general lighting applications, which is capable to drive high power LEDs with average currents up to 400mA. The IC incorporates a wide input voltage range and an internal power switch. The output current level can be adjusted with an external sense resistor. According to the multifunctional control pin the IC can be switched ON and OFF by an external signal, which is also suitable to regulate brightness of the LEDs by PWM or analogue voltage dimming. Depending on the value of the switching inductor the switching frequency and the voltage ripple can be set. The precise internal band-gap stabilizes the circuit and provides stable current conditions over-temperature range. To ensure a long lifetime of the LED system, the ILD4035 incorporates an over-voltage and an overcurrent protection. In addition, the integrated thermal protection will reduce the output current to protect the LEDs and the IC against thermal stress.
Internal switch for up to 400mA average LED current
Up to 95% efficiency
Temperature protection mechanism
Inherent open-circuit LED protection
Soft-start capability
Low shut down current
Analogue and PWM dimming possible
Typical 3% output current accuracy
Minimum external components required

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ILD4035E6327HTSA1 Specifications

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SN:H2.38073LO18761V48Q0QC0S0

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