ZXLD1320DCATC 데이터 시트보기 (PDF) - Diodes Incorporated.

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ZXLD1320DCATC

Buck mode DC-DC converter for LED driving with 1.5A output and current control

Diodes Incorporated. 

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

-40 to 125°C

-55 to 150°C

-40 to 150°C

1.5W at Tamb = 70°C

DC-DC Converter

Supply voltage (VIN)

POK

ADJ

CFB

ISENSE

TADJ

BIAS

POK

-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)

High-Side current monitor

Continuous sense voltage

(M_VIN – M_LOAD)

-0.3V to +5V

Switching NPN transistor

Collector-Base voltage (VCBO)

Collector-Emitter voltage (VCEO)

Peak pulse current (ICM)

Continuous Collector current (IC)

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

3

© Zetex Semiconductors plc 2008

www.zetex.com

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