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TLC5921 Datasheet, PDF (5/14 Pages) Texas Instruments – LED DRIVER | |||
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TLC5921
LED DRIVER
SLLS390 â SEPTEMBER 1999
recommended operating conditions
dc characteristics
PARAMETER
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply voltage, VCC
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Voltage applied to constant current output, VO
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ High-level input voltage, VIH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Low-level input voltage, VIL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ High-level output current, IOH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Low-level output current, IOL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Constant output current, IO(LC)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Operating free-air temperature range, TA
CONDITIONS
OUT0 to OUT15 off
VCC = 4.5 V, SOUT
VCC = 4.5 V, SOUT, XDOWN
OUT0 to OUT15
MIN
4.5
0.8 VCC
GND
â 20
NOM
5
MAX
5.5
17
VCC
0.2 VCC
â1
1
80
85
UNIT
V
V
V
V
mA
mA
°C
ac characteristics, MIN/MAX: VCC = 4.5 V to 5.5 V, TA = â20 to 85°C
TYP: VCC = 5 V, TA = 25°C (unless otherwise noted)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ PARAMETER
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fSCLK SCLKclockfrequency
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ twh/twl
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ twh
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tr/tf
SCLK pulse duration
XLAT pulse duration
Rise/fall time
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tsu
Setup time
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ th
Hold time
CONDITIONS
At single operation
At cascade operation (SOMODE = L)
SIN â SCLK
XLAT â SCLK
SIN â SCLK
XLAT â SCLK
MIN TYP
20
10
5
5
20
20
MAX
20
15
100
UNIT
MHz
ns
ns
ns
ns
ns
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