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TK11855F-G

Features: ·Very High Efficiency 85%·Operating Voltage Range 2.65V to 16V·Operating Frequency 570kHz·Maximum Duty Cycle 85%·Built in Switching Transistor·Built in Open-circuit protection·On/off Control·Very Small Inductor Available·0.75mm Low Profile Package SON3024-8Application·The White LED Drivi...

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TK11855F-G: Features: ·Very High Efficiency 85%·Operating Voltage Range 2.65V to 16V·Operating Frequency 570kHz·Maximum Duty Cycle 85%·Built in Switching Transistor·Built in Open-circuit protection·On/off Contr...

TK11855F-G Data Sheet

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Part Number:
TK11855F-G
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

·Very High Efficiency 85%
·Operating Voltage Range 2.65V to 16V
·Operating Frequency 570kHz
·Maximum Duty Cycle 85%
·Built in Switching Transistor
·Built in Open-circuit protection
·On/off Control
·Very Small Inductor Available
·0.75mm Low Profile Package SON3024-8


Application

·The White LED Driving Systems: 2 to 4 For Back-lighting and Front-lighting, Flashlights etc. Mobile Communication Systems: Cellular Phone, PHS, DSC, PDA, Computer Peripheral Equipment Battery & Dry Cell Battery Systems Portable Equipment
·Step-up DC-DC Converter (Voltage Supply) Camera, Radio, Communications Equipment etc
·VCD Bias


Specifications

Parameter Symbol Rating Unit Remarks
Operating Voltage Range VOP 2.65 to 16.0 V  
Operating Temperature Range TOP -30 to +85 °C  
Power Dissipation PD 600 mW Board mount



Description

The TK11855F-G is a PWM step-up DC-DC converter IC designed for white LED driver applications suitable for 2 to 4 LEDs in series.

The white LEDs TK11855F-G are connected in series and driven at a constant current, resulting in uniform brightness and high efficiency.

Its reference voltage is a very low 0.5V, achieving high efficiency operation with the constant current output. TK11855F-G can also be used in general applications as a step-up DCDC converter.




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