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