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ZXLD1356 fiches techniques PDF

Zetex Semiconductors - 60V 550mA LED DRIVER

Numéro de référence ZXLD1356
Description 60V 550mA LED DRIVER
Fabricant Zetex Semiconductors 
Logo Zetex Semiconductors 





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ZXLD1356 fiche technique
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Description
The ZXLD1356 is a continuous mode inductive step-down
converter, designed for driving single or multiple series
connected LEDs efficiently from a voltage source higher than
the LED voltage. The device operates from an input supply
between 6V and 60V and provides an externally adjustable
output current of up to 550mA. Depending upon supply
voltage and external components, this can provide up to
30 watts of output power.
The ZXLD1356 has been qualified to AECQ100 Grade 1
enabling operation in ambient temperatures from -40 to
125°C
Output current can be adjusted above, or below the set
value, by applying an external control signal to the 'ADJ' pin.
Enhanced output current dimming can be achieved by
applying a PWM signal to the ‘ADJ’ pin.
Features
Typically better than 0.8% output current accuracy
Simple and with low part count
Single pin on/off and brightness control using DC voltage
or PWM
PWM resolution up to 1000:1
High efficiency (up to 97%)
Wide input voltage range: 6V to 60V
Inherent open-circuit LED protection
Available in thermally enhanced packages
o DFN3030-6
θJA 44° C/W
o TSOT23-5
θJA 82° C/W
Available in Green molding (no Br, Sb) with lead free
finish/RoHS compliant
Qualified to AEC-Q100 Grade 1
o TSOT23-5
ZXLD1356ET5TA
Applications
Low voltage halogen replacement LEDs
Automotive lighting
Low voltage industrial lighting
LED back-up lighting
Illuminated signs
Emergency lighting
SELV lighting
Refrigeration lights
A Product Line of
Diodes Incorporated
ZXLD1356
60V 550mA LED DRIVER with AEC-Q100
Pin Assignments
LX
GND
VIN
ADJ
TSOT23-5
Top View
(TOP VIEW)
ISENSE
LX 1
6 VIN
GND 2
5 GND
ADJ 3
4 ISENSE
DFN3030-6
Typical Application Circuit
  D1
VIN (24V)
Rs
0.36V
C1 4.7µF
100nF
GND
VIN
ADJ
L1
I SENSE
ZXLD1356
GND
LX
ZXLD1356
Document number: DS33470 Rev. 3 - 2
1 of 29
www.diodes.com
December 2010
© Diodes Incorporated
Datasheet pdf - http://www.DataSheet4U.net/

PagesPages 29
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