Led Driver, 1 Output, Boost (Step Up), 2.7V-5.5V in, 1MHz switch, 45V/20mA out, TSOT-23-6

LT3593ES6#TRMPBF - Led Driver, 1 Output, Boost (Step Up), 2.7V-5.5V in, 1MHz switch, 45V/20mA out, TSOT-23-6

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Product Information

Boost (Step Up)
Cut Tape
MSL 1 - Unlimited
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Product Overview

The LT3593ES6#TRMPBF is a step-up DC/DC Converter designed to drive up to 10 white LEDs in series from a Li-ion cell. Series connection of the LEDs provides identical LED currents and eliminates the need for ballast resistors. The device features unique high-side LED current sense that enables the part to function as a one wire current source where the low-side of the LED string can be returned to ground anywhere. Additional features include output disconnect in shutdown, open LED protection and 1-pin shutdown/LED current control. The CTRL pin is toggled to adjust the LED current via an internal counter and a 5-bit DAC. The LT3593 switches at 1MHz, allowing the use of tiny external components. Constant frequency switching results in low input noise and a small output capacitor.
  • One pin shutdown and current programming
  • LEDs disconnected in shutdown
  • ±5% Output current accuracy at full scale
  • Requires only 1µF output capacitor
  • 3µA Low shutdown current


Consumer Electronics, Computers & Computer Peripherals, Portable Devices, Audio

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