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TLC5923 Datasheet, PDF (3/15 Pages) Texas Instruments – LED DRIVER
www.ti.com
AC Characteristics
VCC = 3 V to 5.5 V, TA = -20°C to 85°C (unless otherwise noted)
fSCLK
twh0/twl0
twh1
tsu0
tsu1
tsu2
tsu3
th0
th1
th2
th3
Clock frequency
CLK pulse duration
XLAT pulse duration
Setup time
Hold time
SCLK
SCLK=H/L
XLAT=H
SIN - SCLK↑
SCLK↑-XLAT↓
MODE↑↓-SCLK↑
MODE↑↓-XLAT↓
SCLK↑-SIN
XLAT↓-SCLK↑
SCLK↑-MODE↑↓
XLAT↓-MODE↑↓
TLC5923
SLVS550 – DECEMBER 2004
MIN
TYP
MAX UNIT
30 MHz
16
ns
20
ns
10
ns
10
ns
10
ns
10
ns
10
ns
10
ns
10
ns
10
ns
ELECTRICAL CHARACTERISTICS
VCC = 3 V to 5.5 V, TA = - 20°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VOH
High-level output voltage
IOH = - 1 mA, SOUT
VCC -0.5
VOL
Low-level output voltage
IOL = 1 mA, SOUT
II
Input current
VI = VCC or GND, BLANK, XLAT, SCLK, SIN,
MODE
-1
V
0.5
V
1 µA
ICC
Supply current
IOLC
ILO0
ILO1
∆IOLC0
Constant output current
Leakage output current
Constant current error
No data transfer, All output OFF, VO = 1 V,
R(IREF) = 10 kΩ
No data transfer, All output OFF, VO = 1 V,
R(IREF) = 1.3 kΩ
Data transfer 30 MHz, All output ON, VO = 1 V,
R(IREF) = 1.3 kΩ
Data transfer 30 MHz, All output ON, VO = 1 V,
R(IREF) = 600 kΩ
All output ON, VO = 1 V, R(IREF) = 600 Ω
All output OFF, VO = 15 V, R(IREF) = 600 Ω ,
OUT0 to OUT15
VXERR = 5.5 V, No TEF and LOD
All output ON, VO = 1 V, R(IREF) = 600 Ω,
OUT0 to OUT15
6
12
mA
25
36
65 (1)
70
80
90 mA
0.1 µA
10 µA
±1
±4
%
∆IOLC1
∆IOLC2
Constant current error
Power supply rejection ratio
device to device, averaged current from OUT0
to OUT15, R(IREF) = 600 Ω
All output ON, VO = 1 V, R(IREF) = 600 Ω,
OUT0 to OUT15
±4
± 8.5
%
±1
± 4 %/V
∆IOLC3
T(TEF)
V(LOD)
Load regulation
Thermal error flag threshold
LED open detection
threshold
All output ON, VO = 1 V to 3 V, R(IREF) = 600
Ω,
OUT0 to OUT15
Junction temperature, rising temperature(2)
±2
± 6 %/V
150
160
180
°C
0.3
0.4
V
V(IREF) Reference voltage output
R(IREF) = 600 Ω
1.20
1.24
1.28
V
(1) Measured at device start-up temperature. Once the IC is operating (self heating), lower ICC values will be seen. See Figure 15.
(2) Not tested. Specified by design.
3