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TK65600B

Features: · LCD Modules· Cellular Telephone· Battery Powered Systems· Consumer Electronics· Minimum External Components· Efficiency as High as 80%· LED Current Regulated· Internal Synchronous Rectifer· PWM Signal Intensity Control· Can Drive Mulitple Strings of 3 WLED in Series· 700 kHz PWM Operat...

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SeekIC No. : 004519833 Detail

TK65600B: Features: · LCD Modules· Cellular Telephone· Battery Powered Systems· Consumer Electronics· Minimum External Components· Efficiency as High as 80%· LED Current Regulated· Internal Synchronous Rectif...

TK65600B Data Sheet

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Part Number:
TK65600B
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· LCD Modules
· Cellular Telephone
· Battery Powered Systems
· Consumer Electronics
· Minimum External Components
· Efficiency as High as 80%
· LED Current Regulated
· Internal Synchronous Rectifer
· PWM Signal Intensity Control
· Can Drive Mulitple Strings of 3 WLED in Series
· 700 kHz PWM Operation
· Low Supply Current
· Enable Pin
· Short Circuit Protection
· Over Voltage Protection
· 8 Pin Flip Chip Package



Application

· LCD Modules
· Cellular Telephone
· Battery Powered Systems
· Consumer Electronics




Pinout

Connection Diagram


Specifications

All Pins except IND, VOUT and GND ............................. 6 V
IND, and VOUT PINs ............................................... 16.5 V
Storage Temperature Range ...................... -55 to +150
Operating Temperature Range..................... -30 to +85
Junction Temperature TJMax (Note 3) ...................... 150
Package Power Dissipation TA = 25(Note 3) ......560mW
JA Thermal Resistance (Note 3) ........................ 220/W



Description

Toko's TK65600 White LED Driver IC has been optimized for battery controlled systems where power consumption and size are primary concerns. High efficiency has been optimized for this application.

The miniature Flip Chip package device  TK65600, together with the miniature Toko Coil D31FB or Low Profile D412F Coil, further helps system designers reduce the space required to drive the white LEDs.

The IC  TK65600 uses Current-mode PWM (Pulse Width Modulation) method of regulating the current through the string of LEDs. This time-proven method of regulation works at a fixed switching frequency which is preferred in RF systems,
because the switching noise RF spectrum is more predictable. With a switching frequency of 700 kHz the operation of the IC should not disturb 455 kHz IF subsystem.




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