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TK11851L

TOKO
Part Number TK11851L
Manufacturer TOKO
Description WHITE LED DRIVER
Published Jan 2, 2018
Detailed Description TK11851L APPLICATION MANUAL WHITE LED DRIVER Step-up DC-DC Converter IC TK11851L CONTENTS 1 . DESCRIPTION 2 . FEATURES...
Datasheet PDF File TK11851L PDF File

TK11851L
TK11851L

Overview
TK11851L APPLICATION MANUAL WHITE LED DRIVER Step-up DC-DC Converter IC TK11851L CONTENTS 1 .
DESCRIPTION 2 .
FEATURES 3 .
APPLICATIONS 4.
TYPICAL APPLICATION 5.
PIN CONFIGURATION 6.
BLOCK DIAGRAM 7.
STANDARD APPLICATION CIRCUIT 8.
ABSOLUTE MAXIMUM RATINGS 9.
ELECTRICAL CHARACTERISTICS 10.
TEST CIRCUIT 11.
TYPICAL CHARACTERISTICS 12.
PIN DESCRIPTION 13.
CIRCUIT DESCRIPTION 14.
WHITE LED APPLICATION 15.
PACKAGE OUTLINE 16.
NOTES 17.
OFFICES 2 2 2 2 3 3 4 5 6 7 8 11 12 20 23 24 24 MEETING YOUR NEEDS Page 1 TK11851L WHITE LED DRIVER Step-up DC-DC Converter IC TK11851L 1.
DESCRIPTION The TK11851L 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, a low voltage reference (Vref = 0.
515 V), a high speed oscillator, an error comparator, a zener diode for opencircuit protection and an ON/OFF control.
The IC works with a very wide ...


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