White LED Driver IC For Camera Lights

The TK11891F is a Step-up DC-DC Converter designed for camera lights for mobile phones and portable equipment, using constant frequency PWM architecture, with the following built in: a very high current switching Transistor (1.0A peak), a very high speed Oscillator (2.0MHz), a Switch over current detector, a low Voltage Reference (VEA=0.495V), an error Amplifier a PWM Comparator a Zener Diode for open-circuit protection and ON/OFF control. By Toko Inc.
TK11891F 's PackagesTK11891F 's pdf datasheet

TK11891F Pinout, Pinouts
TK11891F pinout,Pin out
This is one package pinout of TK11891F,If you need more pinouts please download TK11891F's pdf datasheet.

TK11891F Application circuits
TK11891F circuits
This is one application circuit of TK11891F,If you need more circuits,please download TK11891F's pdf datasheet.

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