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ZXLD1360 Datasheet(PDF) 4 Page - Zetex Semiconductors

Part # ZXLD1360
Description  1A LED driver with internal switch
PDF  28 Pages
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Manufacturer  ZETEX [Zetex Semiconductors]
Direct Link  http://www.diodes.com/
Logo ZETEX - Zetex Semiconductors

ZXLD1360 Datasheet(HTML) 4 Page - Zetex Semiconductors

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ZXLD1360
Issue 1 - March 2007
4
www.zetex.com
© Zetex Semiconductors plc 2007
Pin description
Ordering information
Name
Pin no.
Description
LX
1
Drain of NDMOS switch
GND
2
Ground (0V)
ADJ
3
Multi-function On/Off and brightness control pin:
•
Leave floating for normal operation.(VADJ = VREF = 1.25V giving nominal
average output current IOUTnom = 0.1/RS)
•
Drive to voltage below 0.2V to turn off output current
•
Drive with DC voltage (0.3V < VADJ < 2.5V) to adjust output current from
25% to 200% of IOUTnom
•
Drive with PWM signal from open-collector or open-drain transistor, to
adjust output current. Adjustment range 25% to 100% of I
OUTnom for
f>10kHz and 1% to 100% of IOUTnom for f < 500Hz
•
Connect a capacitor from this pin to ground to increase soft-start time.
(Default soft-start time = 0.5ms. Additional soft-start time is
approx.0.5ms/nF)
ISENSE
4
Connect resistor RS from this pin to VIN to define nominal average output
current IOUTnom = 0.1/RS
(Note: RSMIN = 0.1 with ADJ pin open-circuit)
VIN
5
Input voltage (7V to 30V). Decouple to ground with 4.7 F or higher X7R
ceramic capacitor close to device
Device
Reel size
(mm)
Reel width
(inches)
Quantity
per reel
Device mark
ZXLD1360ET5TA
180
8
3,000
1360
LX
TSOT23-5
Top view
1
2
3
5
4
GND
ADJ
VIN
ISENSE



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