The ZSLS7025 has an application input voltage range of 6V to 100V, which supports lighting products using multi-cell batteries or regulated 12V, 24V and 48V power rails. A low-voltage feedback mechanism helps maximize the operating efficiency, and the open-circuit detection protects the application circuit. The output current is programmable via external components, and the ZSLS7025 features pulse-width modulation (PWM), linear and DC voltage dimming. With an adjustable over-voltage protection, the chip and the system operate safely even if the load is not connected. Other features include under-voltage protection and over-temperature protection.
"The ZSLS7025, our second boost converter, complements the advantages of the ZLED7015 by increasing the operating voltage range and the output current capability. The step-up topology of the ZSLS7025 enables applications using strings of multiple high-brightness LEDs while being driven from low-voltage sources," stated Andy Smith, Product Manager at ZMDI. "This is particularly attractive for designers of low-voltage high-brightness lighting products, and the ZSLS7025's extended application operating voltage and current range provide designers with additional flexibility."
The low supply voltage and constant output current operation make the ZSLS7025 an ideal choice for safety extra-low voltage (SELV) applications or multifaceted reflector (MR16) lamps, frequently found in residential and retail lighting applications. Other key application areas include low-voltage retrofit lighting, replacement tubes, LED backlighting, after-market automotive lighting products, low-voltage general-purpose industrial and consumer applications, as well as signage, outdoor, architectural and building lighting.
• Wide input range of 6 VDC to 100 VDC
• High efficiency up to 95%
• Open-circuit detection protects against high currents
• Inherently stable control scheme requires no additional loop compensation
• Small form-factor package
• Ideal for low-voltage retrofit lighting
The ZSLS7025 is supplied in a RoHS-compliant SOP-8 package, and its operating temperature range is -40°C to +85°C (-40°F to +185°F).
Samples and a complete evaluation kit are available upon request. For 2,500 pieces, the ZSLS7025 is priced at $0.80.
About ZMDI: Zentrum Mikroelektronik Dresden AG (ZMDI) is a global supplier of analog and mixed-signal semiconductors solutions for automotive, industrial, medical, information technology and consumer applications. These solutions enable our customers to create the most energy-efficient products in power management, lighting and sensors.
About Score: Score Electronics is a distribution solution for component users and suppliers of all sizes. With vast experience as a component distributor and supplier, Score Electronics adds significant value to the industrial, consumer, and EMS supply chains.
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