ZXLD1321 Ver la hoja de datos (PDF) - Diodes Incorporated.

Número de pieza

componentes Descripción

Fabricante

ZXLD1321

Boost mode DC-DC converter for LED driving with 1A output and current control

Diodes Incorporated. 

ZXLD1321

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)

ADJ

CFB

ISENSE

TADJ

BIAS

-0.3V to +12V

-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

Monitor supply voltage (M_VIN)

Continuous sense voltage

(M_VIN – M_LOAD)

-0.3V to +18V

-0.3V to +5V

Switching NPN transistor

Collector-Base voltage (VCBO)

Collector-Emitter voltage (VCEO)

Peak pulse current (ICM)

Continuous Collector current (IC)

18V

18V

3A (Pulse width = 300µs. Duty cycle<=2%)

2A

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 case (R⍜JC)

DFN-14

Nominal value

26.3°C/W

Issue 1 - January 2008

3

© Zetex Semiconductors plc 2008

www.zetex.com

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