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TCA62735AFLG Fiches technique(PDF) 1 Page - Marktech Corporate

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

TCA62735AFLG Fiches technique(HTML) 1 Page - Marktech Corporate

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TCA62735AFLG
TOSHIBA CMOS INTEGRATED CIRCIUTS SILICON MONOLITHIC
TCA62735AFLG
Charge Pump type DC/DC Converter for White LED Driver
The TCA62735AFLG is a charge pump type DC/DC Converter
specially designed for constant current driving of White LED.
This IC can outputs LED current 120mA or more to 2.8-4.2V input.
This IC observes the power-supply voltage and the output voltage,
and does an automatic change to the best of step up mode 1, 1.5 or
2 times. It is possible to prolong the battery longevity to its
maximum.
This IC is especially for driving back light white LEDs in LCD of PDA,
Cellular Phone, or Handy Terminal Equipment.
Characteristics
Fabricating with CMOS Process
Package : QFN16 (4mm × 4mm × 0.8mm)
Input Voltage : 2.8V (Min)
Output Voltage : 4.2V (Min)
Switching Frequency : 1MHz(Typ.)
Output Drive Current Capability : Greater than 120mA
4 Channels Built in Constant Sink Current Drivers
Sink Current Adjustment by External Resistance
Soft Start Function
• Output Open Detection Function
• Integrated protection circuit TSD (Thermal Shut Down)
Pin Assignment (top view)
Weight: 0.016 g (Typ.)
EN
CTL0
CTL1
CTL2
GND
C2+
C2
C1
30mA
VIN=2.8~4.2V
C1
1.0µF
C1–
C1+
EN
CTL0
CTL1
CTL2
VIN
GND
C2
1.0µF
COUT
1.0µF
CIN
2.2µF
RSET
8kΩ
ISET
30mA
30mA
30mA
ILED4
ILED3
ILED2
ILED1
VOUT
C2–
C2+
Application Diagram
Web: www.marktechopto.com | Email: info@marktechopto.com
Company Headquarters
3 Northway Lane North
Latham, New York 12110
Toll Free: 800.984.5337
Fax: 518.785.4725
California Sales Office:
950 South Coast Drive, Suite 225
Costa Mesa, California 92626
Toll Free: 800.984.5337
Fax: 714.850.9314


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Numéro de composants électroniques

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AAT3153 High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications 1  2  3  4  5  More Advanced Analogic Technologies
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