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LT8393EUFDM Datasheet(PDF) 7 Page - Analog Devices

Part # LT8393EUFDM
Description  60VIN, 100VOUT Synchronous 4-Switch Buck-Boost LED Driver Controller with Low EMI
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8393EUFDM Datasheet(HTML) 7 Page - Analog Devices

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LT8393
7
Rev. A
For more information www.analog.com
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2). VIN = 12V, VEN/UVLO = 1.5V unless otherwise noted.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT8393E is guaranteed to meet performance specifications
from 0°C to 125°C operating junction temperature. Specifications over
the –40°C to 125°C operating junction temperature range are assured by
design, characterization and correlation with statistical process controls.
The LT8393J and LT8393H are guaranteed over the –40°C to 150°C
operating junction temperature range. High junction temperatures degrade
operating lifetimes. Operating lifetime is derated at junction temperatures
greater than 125°C.
Note 3: The LT8393 includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 150°C when overtemperature protection is active.
Continuous operation above the specified absolute maximum operating
junction temperature may impair device reliability.
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs LED Current
(Buck Region)
Efficiency vs LED Current
(Buck-Boost Region)
Efficiency vs LED Current
(Boost Region)
LED CURRENT (A)
0
20
90
80
70
60
50
40
30
100
1.5
2
8393 G01
0.5
1
VIN = 32V, VLED = 16V, fSW = 350KHz
LED CURRENT (A)
0
20
90
80
70
60
50
40
30
100
1.5
2
8393 G02
0.5
1
VIN = 16V, VLED = 16V, fSW = 350KHz
LED CURRENT (A)
0
20
90
80
70
60
50
40
30
100
1.5
2
8393 G03
0.5
1
VIN = 8V, VLED = 16V, fSW = 350KHz



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