MAX1848 White LED Step-Up Converter In SOT23

The MAX1848 drives 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 that the LED currents are identical for uniform brightness. This configuration eliminates the need for ballast resistors and expensive factory calibration. Other benefits include greater simplicity, lower cost, higher efficiency, and greater reliability.
This Step-up PWM converter includes an internal, High-Voltage low RDSON N-Channel MOSFET Switch for high efficiency and maximum battery life. A single Analog voltage Dual Mode input provides a simple means of brightness adjustment and on/off control. Fast 1.2MHz current-mode PWM control allows for small input and output capacitors and a small inductor while minimizing ripple on the input supply/battery. Programmable soft-start eliminates inrush current during startup.
The MAX1848 is available in space-saving 8-pin thin QFN (3mm x 3mm) and 8-pin SOT23 packages.
By Maxim Integrated Products
MAX1848 's PackagesMAX1848 's pdf datasheet

MAX1848 Pinout, Pinouts
MAX1848 pinout,Pin out
This is one package pinout of MAX1848,If you need more pinouts please download MAX1848's pdf datasheet.

MAX1848 Application circuits
MAX1848 circuits
This is one application circuit of MAX1848,If you need more circuits,please download MAX1848's pdf datasheet.

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