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Atmel LED Driver-MSL3082
8-string, High-power, White or RGB LED Driver for TV,
Blacklighting, or Intelligent Solid-state Lighting
PARAMETER
CONDITIONS AND NOTES
MIN
TYP
MAX
UNIT
SDA data valid acknowledge time
SDA data valid time
SDA data set-up time
SCL clock low period
SCL clock high period
SDA, SCL fall time
SDA, SCL rise time
SDA, SCL input suppression
filter period
t VD:ACK
t V D : D AT
t S U : D AT
t LOW
t HIGH
t F
t R
t SP
(Note 2)
(Note 3)
(Note 4, Note 5)
(Note 6)
0.05
0.05
100
0.5
0.26
50
0.55
0.55
120
120
μs
μs
ns
μs
μs
ns
ns
ns
Note 1. Minimum SCL clock frequency is limited by the bus timeout feature, which resets the serial bus interface if either
SDA or SCL is held low for t TIMEOUT . Disable bus timeout feature for DC operation
Note 2. t VD:ACK = SCL low to SDA (out) low acknowledge time
Note 3. t VD:DAT = minimum SDA output data-valid time following SCL low transition
Note 4. A master device must internally provide an SDA hold time of at least 300ns to ensure an SCL low state
Note 5. The maximum SDA and SCL rise times are 300ns. The maximum SDA fall time is 250ns. This allows series protection resistors to be
connected between SDA and SCL inputs and the SDA/SCL bus lines without exceeding the maximum allowable rise time
Note 6. The MSL3082 includes input filters on SDA, SCL, AD0, and AD1 inputs that suppress noise less than 50ns
Note 7. Parameter is guaranteed by design, and is not production tested
Note 8. Subject to thermal dissipation characteristics of the device
Note 9. When mounted according to JEDEC JEP149 and JESD51-12 for a one-layer PCB, θ JA = 21°C/W and θ JC = 1.3°C/W
Block Diagram
Atmel LED Driver-MSL3082
9
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