Diodes ZXLD381 - Manual (Page 3)

ZXLD381
ZXLD381
Document number: DS32188 Rev. 3 - 2
3 of 9
www.diodes.com
May 2010
© Diodes Incorporated
A Product Line of
Diodes Incorporated
Absolute Maximum Ratings
Parameter Rating Unit
Supply Voltage (V
CC
) -0.6 to 10 V
Output Voltage (V
OUT
) -0.6 to 20 V
Supply Current 20 mA
Output Switch Current 800 mA
Power Dissipation SOT23-3 450 mW
Power Dissipation Die 1 W
Operating Temperature Range 0 to 85 °C
Storage Temperature Range -55 to 150 °C
Electrical Characteristics
Measured at T
AMB
= 25°C, L = 4.7µH and V
CC
= 1.5V unless otherwise specified.
Parameter Conditions
Limits
Units
Min Typ. Max
Supply Voltage Operating Range L = 10 μH 0.9 2.2 V
Minimum Supply Start-up Voltage L = 10 μH 0.8 0.9 V
Switch Current At turn-off 250 320 400 mA
Switch Saturation Voltage I
OUT
= 200mA 100 300 mV
Switch Leakage Current V
OUT
= 20V 40 70 120 µA
Mean LED Current V
LED
= 3.5V 40 55 70 mA
Efficiency V
LED
= 3.5V 85 %
Operating Frequency V
LED
= 3.5V 350 kHz
Discharge Pulse Width 0.7 1.5 2.5 µs