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TCA62735AFLG Fiches technique(PDF) 2 Page - Marktech Corporate

No de pièce TCA62735AFLG
Description  Charge Pump type DC/DC Converter for White LED Driver
Download  12 Pages
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Fabricant  MARKTECH [Marktech Corporate]
Site Internet  http://www.marktechopto.com
Logo MARKTECH - Marktech Corporate

TCA62735AFLG Fiches technique(HTML) 2 Page - Marktech Corporate

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TCA62735AFLG
TENTATIVE
This datasheet is tentative, the values and contents are subject to change without any notice.
2005-04-26 (Page 2 of 12)
Block Diagram
Explanation of Terminals
No
Symbol
Function
1
EN
Logic input terminal. (input a chip enable signal)
EN = ”H”
→ Operation mode, EN = ”L” → Shutdown mode
2
CTL0
3
CTL1
4
CTL2
Logic input terminal. (Selection of an output number)
Please refer to the truth table on page 10.
5
ISET
Resistance connection terminal for setting up output current.
6
VOUT
Output terminal.
7
VIN
Power supply terminal.
8
C1
+
9
C1
10
C2
11
C2
+
Capacitance connection terminal for charge pump.
12
GND
GND terminal.
13
ILED4
14
ILED3
15
ILED2
16
ILED1
Constant Sink Current Driver terminal.
ILED(mA) = 0.61V
× 400 / RSET(kΩ)
ISET
Feed Back
GND
Constant Current
Regulator
ILED1
ILED 2
ILED 3
ILED 4
C1+
C1
VIN
VOUT
C2+
C2
Feed Back Circuit
Up Converting Time Change
CTL0
EN
CTL1
CTL2
Control
Logic
ON/OFF


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