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| LM3553 Datasheet, PDF (5/26 Pages) National Semiconductor (TI) – 1.2A Dual Flash LED Driver System with I2C Compatible | |||
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LM3553
www.ti.com
SNVS414B â FEBRUARY 2008 â REVISED MAY 2013
Electrical Characteristics (continued)
Limits in standard typeface are for TA = +25°C. Limits in boldface type apply over the full operating junction temperature range
(-30°C ⤠TJ ⤠+125°C). Unless otherwise noted: VIN = 3.6V, RSET = 16.5kâ¦, VD1 = VD2 = 500mV, VFB bit = '0', FEN = '0', TX =
'0', Flash Current Level = Full-Scale. (1)(2)(3)
Symbol
Parameter
Conditions
I2C Compatible Interface Timing Specifications (SCL, SDIO, VIO)
Min
Typ
Max
Units
t1
SCL (Clock Period)
t2
Data In Setup Time to SCL
High
2.5
µs
100
ns
t3
Data Out stable After SCL Low
0
ns
t4
SDA Low Setup Time to SCL
Low (Start)
100
ns
t5
SDA High Hold Time After
SCL High (Stop)
100
ns
Copyright © 2008â2013, Texas Instruments Incorporated
Product Folder Links: LM3553
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