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ZXLD1322 Datasheet(PDF) 3 Page - Zetex Semiconductors

Part No. ZXLD1322
Description  Buck/boost mode DC-DC converter for LED driving with 700mA output and current control
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Maker  ZETEX [Zetex Semiconductors]
Homepage  http://www.diodes.com/
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ZXLD1322 Datasheet(HTML) 3 Page - Zetex Semiconductors

 
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ZXLD1322
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 +15V
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)
Monitor supply voltage (M_VIN)
-0.3V to +15V
Continuous sense voltage
(M_VIN – M_LOAD)
-0.3V to +5V
Collector-Base voltage (VCBO)18V
Collector-Emitter voltage (VCEO)18V
Peak pulse current (ICM)
3A (Pulse width = 300µs. Duty cycle<=2%)
Continuous Collector current (IC)2A
Junction to case (R JC)
Nominal value
DFN-14
26.3°C/W


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