Products, Materials & Tools | Jan 20, 2011

ILD4035 – Step-down LED Driver for 1W LEDs

Infineons new ILD4035 LED Driver is dedicated specifically for driving 1W LEDs. The ILD4035 is a perfect match for indoor and outdoor LED lighting applications up to 42V supply voltage. The flexible dimming concept allows LED dimming either with a PWM signal or an analog voltage. ILD4035 comes with an internal power stage for LED drive currents up to 350mA and protection features such as LED thermal protection, overcurrent and overvoltage protection, all integrated in a small SC-74 package.
ILD4035 – Step-down LED Driver for 1W LEDs

The ILD4035 is the first choice for several general lightin applications, for instance indoor residential lighting

The ILD4035 is the first choice for several general lightin applications, for instance indoor residential lighting

The ILD4035 is the first choice for several general lightin applications, for instance indoor residential lighting

The block diagram of Infineons ILD4035 buck LED converter

The block diagram of Infineons ILD4035 buck LED converter

The typical application circuit using Infineon's ILD4035

The typical application circuit using Infineon's ILD4035

For the ILD4035, Infineon provides an Evaluation-Board

For the ILD4035, Infineon provides an Evaluation-Board

Features:
• Wide input voltage range: 4.5 V ... 42 V
• Internal switch
• 350 mA LED output current
• Over current protection
• Over voltage protection
• Reversible temperature shut down mechanism
• Inherent open- circuit LED protection
• Soft- start capability
• Low shut down current < 100 nA in operating voltage range
• Analog voltage and PWM dimming possible
• Typical 3% output current accuracy
• Very low LED current drift over temperature
• Minimum external components required
• Small Package: SC74

Applications:
• LED Driver for general lighting applications
• Indoor illumination, residential lighting
• Outdoor illumination, street lighting
• Office lighting, downlights
• Architectural lighting

For additional information please download the datasheet or visit www.infineon.com/lowcostleddrivers
Where to Buy - Infineon distribution partners and sales offices can be selected at www.infineon.com/cms/en/product/where-to-buy.html

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