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LDS8680 Datasheet(PDF) 3 Page - IXYS Corporation

Part No. LDS8680
Description  800 mA White LED Driver for Photo Flash
Download  12 Pages
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Manufacturer  IXYS [IXYS Corporation]
Direct Link  http://www.ixys.com
Logo IXYS - IXYS Corporation

LDS8680 Datasheet(HTML) 3 Page - IXYS Corporation

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LDS8680
© 2009 IXYS Corp.
3
Doc. No. 8680_DS, Rev. N1.0
Characteristics subject to change without notice
RECOMMENDED EN/SET TIMING
For 2.7
V
IN 5.5V, over full ambient temperature range - 40 to +85ºC.
Symbol
Name
Conditions
Min
Typ
Max
Units
tSETUP- PWM
EN/SET setup from shutdown in
PWM mode
10
100
200
μs
tSETUP-COM
EN/SET setup from shutdown in
command mode
300
400
2000
μs
tBO
Bit “zero” positive pulse
1
2
4
μs
tB1
Bit “one” positive pulse
8
16
200
μs
tCLO1
Low time between 16 command
pulses
2
25
50
μs
tCLO2
Low time between two 16-byte
command sets
100
200
μs
tLO
EN LOW Time to finalize
command mode
0.3
30
ms
tOFF
EN/SET low time to shutdown
50
ms
Fig. 1 Command mode programming
Fig. 2 PWM mode with short pulse
Fig. 3 PWM mode with long pulse


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