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TLC5905 Datasheet, PDF (9/27 Pages) Texas Instruments – LED DRIVER | |||
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TLC5905
LED DRIVER
SLLS401 â NOVEMBER 1999
electrical characteristics,
MIN/MAX:VCC(LOG)= VCC(ANA) = VCC(LED) = 4.5 V to 5.5 V, TA = â20 to 85°C
TYP: VCC(LOG) = VCC(ANA) = VCC(LED) = 5 V, TA = 25°C (unless otherwise noted)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ PARAMETER
TEST CONDITIONS
MIN
TYP MAX
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOH
High-level output voltage
IOH = â1 mA, SOUT, GSOUT, BOUT
VCC(LOG)
â0.5
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ II
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ I(LOG)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ I(ANA)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ I(LED)
Low-level output voltage
Input current
Supply current (logic)
Supply current (analog)
Supply current (constant current
driver)
IOL = 1 mA, SOUT, GSOUT, BOUT
IOL = 5 mA, XDOWN1, XDOWN2
VI = VCC(LOG) or GND(LOG)
Input signal is static, TSENA = H,
WDCAP = OPEN
Data transfer, SCLK = 15 MHz, GSCLK = 8 MHz
LED turnon, R(IREF) = 590 â¦
LED turnoff, R(IREF) = 590 â¦
LED turnoff, R(IREF) = 1180 â¦
LED turnoff, R(IREF) =590 â¦
VO = 1 V, R(IREF) = 1180 â¦
All output bits turn on
0.5
0.5
±1
1
18
30
3
5
3
5
15
20
30
40
25
35
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà VO = 1 V, R(IREF) = 590 â¦
All output bits turn on
50
70
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IO(LC1) Constantoutputcurrent
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IO(LC2) Constant output current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IO(LK) Constantoutputleakagecurrent
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ âIO(LC)
Constant output current error
between bits
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IâO(LC1)
Changes in constant output
current depend on supply voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IâO(LC2)
Changes in constant output
current depend on output voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ T(tsd)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ T(wdt)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ V(IREF)
TSD detection temperature
WDT detection temperature
Voltage reference
VO = 1 V, V(IREF) = 1.24 V,
R(IREF) = 1180 â¦
VO = 1, V(IREF) = 1.24V,
R(IREF) = 590 â¦
OUT0 to OUT15 (V(OUTn) = 15 V)
XDOWN1,2 (V(XDOWNn) = 15 V)
SOUT (VOUTn = VCC(LOG) or GND)
VCC(LOG) = VCC(ANA) = VCC(LED) = 5 V,
VO = 1V, R(IREF) = 590 â¦, All output bits turnon
VO = 1 V, R(IREF) = 1180 â¦,
V(IREF) = 1.24 V, 1 bit output turnon
VO= 1 V to 3 V, R(IREF) = 1180 â¦,
V(IREF) = 1.24 V, 1 bit output turnon
Junction temperature
No external capacitor
BCENA = L, R(IREF) = 590 â¦
35
40
45
70
80
90
0.1
1
1
±1% ±4%
±1% ±4%
±1% ±2%
150 160 170
5
10
15
1.24
UNIT
V
V
µA
mA
mA
mA
mA
mA
mA
µA
µA
µA
%/V
%/V
°C
ms
V
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