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TB62734FMG Fiches technique(PDF) 2 Page - Marktech Corporate

No de pièce TB62734FMG
Description  Step Up Type DC-DC Converter for White LED
Download  14 Pages
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Fabricant  MARKTECH [Marktech Corporate]
Site Internet  http://www.marktechopto.com
Logo MARKTECH - Marktech Corporate

TB62734FMG Fiches technique(HTML) 2 Page - Marktech Corporate

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TOSHIBA
TB62734FMG
2/11
Block Diagram
Explanation of the terminal
No
Symbol
Function
1
VCC
Supply voltage pin. Supply voltage range : 2.8V to 5.5V
2
CTL
Input pin for IC ON/OFF control and variable LED Io.
0 to 0.4V : Shutdown Mode (IC shutdown)
1.0V to 2.5V : Io = 30 to 100% Variable (Linear Control)
Over 2.6V : Io = 100%
3
OVD
Feed-buck pin for output voltage
4
A
Sink driver pin for step- up DC-DC converter
5
PGND
Ground pin for power line
6
GND
Ground pin
7
RSENS
Resistance connects pin for LED Io setup.
8
K
Connected to the cathode of LED
*Please connect PGND and GND pin to the ground.
2.2 - 10 uH
VCC
A
CTL
K
OVD
Vin
33us min.
Range
1.0 - 2.5 V
2
5
3
8
4
RSENS
6
7
Vref
Vth
One
Shot
One
Shot
10k
PGND
GND
ADC
1
Vref=164mV
3.3
Ω@Io=40mA
8.2
Ω@Io=20mA
C2=0.47uF


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