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| TCA62735AFLG Datasheet, PDF (6/12 Pages) Marktech Corporate – Charge Pump type DC/DC Converter for White LED Driver | |||
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TENTATIVE
TCA62735AFLG
Method of setting ILED
The current of the terminal ILED1 to 4 is set by resistance RSET connected with the terminal ISET.
ILED can be set according to the next expression.
ILED[mA] =
400 Ã 0.61[V]
RSET[kâ¦]
35
30
25
20
15
10
5
0
0
RSET vs. ILED
20
40
60
RSETÊ¢kâ¦Ê£
C1=1.0µF
C2=1.0µF
C1-
C2-
C2+
GND
RSET
COUT=1.0µF
VIN=2.8V to 4.2V
CIN=2.2µF
CTL2
CTL1
CTL0
EN
This datasheet is tentative, the values and contents are subject to change without any notice. 2005-04-26 (Page 6 of 12)
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