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ZXLD1320 Datasheet(PDF) 3 Page - Zetex Semiconductors

Part No. ZXLD1320
Description  Buck mode DC-DC converter for LED driving with 1.5A output and current control
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Maker  ZETEX [Zetex Semiconductors]
Homepage  http://www.diodes.com/
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ZXLD1320 Datasheet(HTML) 3 Page - Zetex Semiconductors

 
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ZXLD1320
Issue 1 - January 2008
3
www.zetex.com
© Zetex Semiconductors plc 2008
Absolute maximum ratings
(Voltages relative to GND unless otherwise stated)
DC-DC Converter
High-Side current monitor
Switching NPN transistor
These are stress ratings only. Operation outside the absolute maximum ratings may cause device
failure. Operation at the absolute maximum ratings for extended periods may reduce device
reliability.
Thermal resistance
Operating temperature (Top)
-40 to 125
°C
Storage temperature (Tst)
-55 to 150
°C
Junction temperature (Tj)
-40 to 150
°C
Package power dissipation (Ptot)
DFN-14 with Exposed Pad: 4mmx3mm, 0.5mm Pitch
1.5W at Tamb = 70
°C
Supply voltage (VIN)
-0.3V to +18V
POK
-0.3V to VIN + 0.3V
ADJ
-0.3V to The lower of (+5.0V) or (VIN + 0.3V)
CFB
-0.3V to The lower of (+5.0V) or (VIN + 0.3V)
ISENSE
-0.3V to The lower of (+5.0V) or (VIN + 0.3V)
TADJ
-0.3V to The lower of (+5.0V) or (VIN + 0.3V)
BIAS
-0.3V to The lower of (+5.0V) or (VIN + 0.3V)
POK
-0.3V to The lower of (+5.0V) or (VIN + 0.3V)
Continuous sense voltage
(M_VIN – M_LOAD)
-0.3V to +5V
Collector-Base voltage (VCBO)20V
Collector-Emitter voltage (VCEO)20V
Peak pulse current (ICM)
3A (Pulse Width = 300µs. Duty Cycle<=2%)
Continuous Collector current (IC)1.5A
Junction to ambient (R JA)
Nominal value
DFN-14
53°C/W


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