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MAX1599 - High-Efficiency / 26V Step-Up Converters for Two to Six White LEDs

Download the MAX1599 datasheet PDF. This datasheet also covers the MAX1561 variant, as both devices belong to the same high-efficiency / 26v step-up converters for two to six white leds family and are provided as variant models within a single manufacturer datasheet.

Description

The MAX1561/MAX1599 step-up converters drive up to six white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices.

The step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uniform brightness.

Features

  • o Accurate Current Regulation for Uniform Illumination o High Efficiency Up to 87% o Flexible Analog or PWM Dimming Control o Up to 900mW Output Power with Internal 30V MOSFET Switch o Fast 1MHz (MAX1561) or 500kHz (MAX1599) PWM Operation o Small, Low-Profile External Components o 2.6V to 5.5V Input Range o 26V (max) Output with Overvoltage Protection o Optimized for Low 15mVP-P Input Ripple o Soft-Start with Zero Inrush Current o 0.3µA Shutdown Current o Tiny 8-Pin 3mm x 3mm Thin DFN Package O.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX1561_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
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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.

View original datasheet text
MAX1561/MAX1599 19-2731; Rev 1; 10/03 EVAALVUAAILTAIOBNLEKIT High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs General Description The MAX1561/MAX1599 step-up converters drive up to six white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. The step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uniform brightness. This configuration eliminates the need for ballast resistors and expensive factory calibration. The MAX1561/MAX1599 include an internal, high-voltage, low-RDS(ON) N-channel MOSFET switch for high efficiency and maximum battery life. A single Dual Mode™ input provides a simple means of brightness adjustment and on/off control.
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