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