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TB62756FUG Fiches technique(PDF) 2 Page - Marktech Corporate

No de pièce TB62756FUG
Description  Step-up Type DC/DC Converter for White LEDs
Download  14 Pages
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Fabricant  MARKTECH [Marktech Corporate]
Site Internet  http://www.marktechopto.com
Logo MARKTECH - Marktech Corporate

TB62756FUG Fiches technique(HTML) 2 Page - Marktech Corporate

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TB62756FUG
2005-11-8
2
CTL
AMP.
Error
AMP.
SW
NC
GND
SHDN
VIN
1
3
4
2
6
5
Monostable
multivibrator
for
reference
Monostable
multivibrator
for
off time control
Circuit
on/off
FB
Block Diagram
Pin Assignment (top view)
Note 1:
The IC may break if mounted 180 degrees in reverse. Ensure the device is correctly orientated before assembley
.
Pin Functions
No.
Symbol
Function
1
SHDN
Input pin for IC ON/OFF control and variable LED IF.
SHDN=H → Operation Mode、SHDN=L → Shutdown Mode (IC shutdown)
PWM signal input for IF control (see p.5)
This pin must be set to a certain logic level, as unstable output could result if the pin is
left open.
2
NC
No Connection or Connected to GND. (Note 2)
3
VIN
Supply voltage pin. Supply voltage range : 2.8V to 5.5V
4
SW
DC-DC converter switching pin – switch incorporates N-ch MOSFET.
5
GND
Ground pin.
6
FB
Connected to the cathode of LED.
Note 2:
The NC terminal is not connected to the internal circuit.
SHDN
(NC)
VIN
FB
GND
SW
1
2
3
4
5
6


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