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TK11850L - WHITE LED DRIVER

Datasheet Summary

Description

The TK11850L is a pulse skipping step-up DC-DC converter IC designed for White LED driver applications with the following built in: a very high current switching transistor (400 mA peak), an inductor current limit detector, low voltage reference (Vref = 0.5 V), high speed oscillator, an error compar

Features

  • n Very High Speed Adjustable OSC (Max 800 kHz) n Very Wide Operating Voltage Range (2.3 V to 10 V) n Low Loss Detector (Low Reference Voltage: VREF = 0.5 V) n Operates with Toko D31FU Miniature Coil (Current Limited by Input Current Sensor) n Internal Switching Transistor n Internal Diode n Active High On / Off Control n Available Intensity Control Using EN Pin with PWM Signal n Very Small SOT23L-8 Surface Mount Package.

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Datasheet Details

Part number TK11850L
Manufacturer TOKO
File Size 160.44 KB
Description WHITE LED DRIVER
Datasheet download datasheet TK11850L Datasheet
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Full PDF Text Transcription

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TK11850L WHITE LED DRIVER FEATURES n Very High Speed Adjustable OSC (Max 800 kHz) n Very Wide Operating Voltage Range (2.3 V to 10 V) n Low Loss Detector (Low Reference Voltage: VREF = 0.5 V) n Operates with Toko D31FU Miniature Coil (Current Limited by Input Current Sensor) n Internal Switching Transistor n Internal Diode n Active High On / Off Control n Available Intensity Control Using EN Pin with PWM Signal n Very Small SOT23L-8 Surface Mount Package DESCRIPTION The TK11850L is a pulse skipping step-up DC-DC converter IC designed for White LED driver applications with the following built in: a very high current switching transistor (400 mA peak), an inductor current limit detector, low voltage reference (Vref = 0.
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