TLC5922 Datasheet, PDF (4/16 Pages) Texas Instruments – LED DRIVER

TLC5922
SLVS486 – SEPTEMBER 2003
www.ti.com
AC CHARACTERISTICS
V_CC = 3 V to 5.5 V, T_A = -20°C to 85°C (unless otherwise noted)
f_SCLK
t_wh0/t_wl0
t_wh1
t_su0
t_su1
t_su2
t_su3
t_h0
t_h1
t_h2
t_h3
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↑↓
MIN TYP
20
20
10
10
10
10
10
10
10
10
MAX UNIT
30 MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ELECTRICAL CHARACTERISTICS
V_CC = 3 V to 5.5 V, T_A = - 20°C to 85°C (unless otherwise noted)
PARAMETER
V_OH
High-level output voltage
V_OL
Low-level output voltage
I_I
Input current
I_CC
Supply current
I_OLC
I_OKL0
I_OKL1
∆I_OLC
Constant output current
Leakage output current
Constant current error
∆I_OLC1 Power supply rejection ratio
∆I_OLC2
T_TEF
V_(LOD)
V_IREF
Load regulation
Thermal error flag threshold
LED open detection threshold
Reference voltage output
TEST CONDITIONS
I_OH = - 1 mA, SOUT
I_OL = 1 mA, SOUT
V_I = V_CC or GND, BLANK, XLAT,SCLK, SIN, MODE
No data transfer, All output OFF, V_O = 1 V, R_(IREF) = 10
kΩ
No data transfer, All output OFF, V_O = 1 V, R_(IREF) = 1.3
kΩ
Data transfer 30 MHz, All output ON, V_O = 1 V, R_(IREF) =
1.3 kΩ
Data transfer 30 MHz, All output ON, V_O = 1 V, R_(IREF) =
600 kΩ
All output ON, V_O= 1 V, R_(IREF) = 600Ω
All output OFF, V_O= 15 V, R_(IREF) = 600Ω , OUT0 to
OUT15
VXDOWN = 5.5 V, No TEF and LOD
All output ON, V_O = 1 V, R_(IREF) = 600 Ω, OUT0 to
OUT15
All output ON, V_O = 1 V, R_(IREF) = 600 Ω, OUT0 to
OUT15
All output ON, V_O = 1 V to 3 V, R_(IREF) = 600 Ω, OUT0 to
OUT15
Junction temperature, rising temperature ⁽²⁾
MIN
V_CC0.5V
-1
70
150
R_(IREF) = 600 Ω
TYP MAX
0.5
1
UNIT
V
V
µA
6
12
mA
25
36 65 ⁽¹⁾
80 90 mA
0.1 µA
10 µA
±1 ± 4 %
± 1 ± 4 %/V
± 2 ± 6 %/V
180 °C
0.3
V
1.22
V
(1) _{Measured at device start-up temperature. Once the IC is operatiing (self heating), lower ICC values will be seen. See Figure 12.}
(2) _{Not tested. Specified by design.}
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