Diodes ZXLD383 - Manual (Page 3)

ZXLD383
ZXLD383
Document number: DS32189 Rev. 3 - 2
3 of 10
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 6 V
Output Voltage (V
OUT
) -0.6 to 20 V
Enable Voltage (V
ENA
) -1 to 3.5 V
Supply Current 20 mA
Output Switch Current 800 mA
Power Dissipation (TSOT23-3) 450 mW
Power Dissipation Die 1 W
Operating Temperature Range -20 to 85 °C
Storage Temperature Range -55 to 150 °C
Electrical Characteristics
Measured at TAMB = 25°C, L = 6.8µH, I ENA = 0 and VCC = 1.5V unless otherwise specified.
Parameter Conditions
Limits
Units
Min Typ. Max
Supply Voltage Operating Range L = 10 μH 0.9 3.3 V
Minimum Supply Start-up Voltage L = 10 μH 0.8 0.9 V
Supply Current Quiescent 2 4 8 mA
Supply Current Shutdown V
ENA
= V
CC
– 0.8V 17 30 µA
Supply Current Under-Voltage V
CC
= 0.6V 20 µA
Switch Current At turn-off 250 320 400 mA
Switch Saturation Voltage I
OUT
= 200mA 100 300 mV
Switch Leakage Current V
OUT
= 20V, V
ENA
= 0V 10 µA
Mean LED Current V
LED
= 3.5V 40 50 65 mA
Efficiency V
LED
= 3.5V 85 %
Operating Frequency V
LED
= 3.5V 330 kHz
Discharge Pulse Width 0.7 1.5 2.5 µs
Enable Input Threshold V
CC
- 0.8 V
CC
- 0.6 V
CC
- 0.2 V
Enable Input Current V
ENA
= 0.2V 0 -11 -20 µA
Enable Input Voltage I
ENA
= -20mA 0 -90 -250 mV