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TB62752AFUG Fiches technique(PDF) 2 Page - Marktech Corporate

No de pièce TB62752AFUG
Description  Step Up Type DC/DC Converter for White LED
Download  6 Pages
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Fabricant  MARKTECH [Marktech Corporate]
Site Internet  http://www.marktechopto.com
Logo MARKTECH - Marktech Corporate

TB62752AFUG Fiches technique(HTML) 2 Page - Marktech Corporate

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TB62752AFUG
2005-08-5
2
TENTATIVE
Block Diagram
Pin Function
Pin No.
Symbol
Function Description
1
SHDN
Voltage-Input Terminal for IC-Enable / Disable LED-IF.
IF adjustment with PWM input signal is also available.
2
OVD
Over Voltage Detection Terminal.
IC Switching Operation is disabled with detection over voltage.
If the voltage returns to detection level or less, Operation is enabled again.
3
VIN
Supply Voltage Input Terminal. ( 2.8V to 5.5V)
4
SW
Switch Terminal for DC/DC Converter. Nch MOSFET Built-In.
5
GND
Ground Terminal.
6
FB
LED IF Setting Resister Connecting Terminal.
Error
AMP.
PWM
Control
OSC
(1.1MHz)
VIN
SW
OVD
FB
SHDN
22µH
1.0µF
2.2µF
VIN
15Ω
@20mA
GND
300mV
Current
Limit
Shutdown
Function
Reference
Over Voltage
Detection


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