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ZLED7730 数据表(PDF) 8 Page - List of Unclassifed Manufacturers

部件名 ZLED7730
功能描述  High Current 40V LED Driver with Switch Dimming
PDF  24 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

ZLED7730 数据表(HTML) 8 Page - List of Unclassifed Manufacturers

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ZLED7030
High Current 40V LED Driver with Switch Dimming
Data Sheet
August 16, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev.1.2
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without
the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
8 of 23
0
100
200
300
400
500
600
5
10
15
20
25
30
35
40
Vin(V)
Rs=0.10Ω
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
5
10
15
20
25
30
35
40
Vin(V)
1LED
3LED
7LED
10LED
No.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
1.3.17
Recommended output
switch duty cycle range
at fLXmax
DLX
0.3
0.9
1.3.18
Propagation delay of
internal comparator
tPD
25
ns
1.3.19
Thermal shutdown
temperature
TSD
150
°C
1.3.20
Thermal shutdown
hysteresis
TSD-HYS
20
K
1.4
Typical Operation Graphs
The curves are valid for the typical application circuit and Tamb = 25°C unless otherwise noted.
Figure 1.1
ZLED7x30 Supply Operating Current vs. Input Supply Voltage (VIN = 8.5 to 40V)
Figure 1.2
Efficiency (%) vs. Input Supply Voltage (VIN = 8.5 to 40V)
† Per Number of LEDs (Rs=0.10 , L1=47µH)
† Minimum Vin depends on number of LEDs.



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