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ZXLD1100 Datasheet(PDF) 4 Page - Zetex Semiconductors

Part No. ZXLD1100
Description  ADJUSTABLE LED DRIVER WITH INTERNAL SWITCH AND OPEN CIRCUIT PROTECTION IN SC70-6
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Maker  ZETEX [Zetex Semiconductors]
Homepage  http://www.diodes.com/
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ZXLD1100 Datasheet(HTML) 4 Page - Zetex Semiconductors

 
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ZXLD1100
SEMICO NDUC TORS
ISSUE 4 - JULY 2004
4
BLOCK DIAGRAM
PIN NO.
NAME
DESCRIPTION
1
LX
Output of NDMOS switch
2
GND
Ground (0V)
3
FB
Feedback pin for current control loop (connect resistor R1
from this pin to GND for output current I=100mV/ R1)
4
EN
Enable input (active high to turn on device)
Also used to adjust output current by PWM signal.
Connect to Vin for permanent operation.
5
VSENSE
Output voltage sense (used for open circuit protection).
Connect to GND if not required.
6VIN
Input voltage (2.5V to 5.5V). Decouple with capacitor close
to device.
PIN DESCRIPTION


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