TLC5924 Datasheet, PDF (3/23 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND PRE-CHARGE FET

TLC5924
www.ti.com
RECOMMENDED OPERATING CONDITIONS—AC Characteristics
V_CC = 3 V to 5.5 V, T_A = -40°C to 85°C (unless otherwise noted)
f_SCLK Clock frequency
t_wh0, t_wl0 CLK pulse duration
t_wh1
XLAT pulse duration
t_su0
t_su1
t_su1a
Setup time
t_su2
t_su3
t_h0
t_h1
t_h1a
Hold time
t_h2
t_h3
SCLK
SCLK=H/L
XLAT=H
SIN to SCLK↑⁽¹⁾
SLCK↑ to XLAT↓(dot correction data)
SCLK↑to XLAT↑ (ON/OFF data)
MODE↑↓ to SCLK↑
MODE↑↓ to XLAT↑
SCLK↑ to SIN
XLAT↓ to SCLK↑ (dot correction data)
XLAT↑ to SCLK↑ (ON/OFF data)
SCLK↑to MODE↑↓
XLAT↓ to MODE↑↓
(1) "↑" and "↓" indicates a rising edge, and a falling edge respectively.
SLVS626 – JUNE 2006
MIN TYP
16
20
10
10
10
10
10
10
10
10
10
10
MAX
30
UNIT
MHz
ns
ns
ns
ns
ELECTRICAL CHARACTERISTICS
V_CC = 3 V to 5.5 V, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
V_OH High-level output voltage
V_OL Low-level output voltage
I_I
Input current
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
V_CC– 0.5
–1
V
0.5 V
1 µA
6
I_CC
Supply current
I_OLC Constant sink current
I_LO0
I_LO1
∆I_OLC0
Leakage output current
Constant sink current error
∆I_OLC1 Constant sink current error
∆I_OLC2 Line regulation
∆I_OLC3 Load regulation
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 Ω
All output ON, V_O = 1 V, R_(IREF) = 600 Ω
All output OFF, V_O = 15 V, R_(IREF) = 600 Ω, OUT0 to
OUT15
V_XERR = 5.5 V, No TEF and LOD
All output ON, V_O = 1 V, R_(IREF) = 600 Ω, OUT0 to OUT15
device to device, averaged current from OUT0 to OUT15,
R_(IREF) = 600 Ω
All output ON, V_O = 1 V, R_(IREF) = 600 Ω,
OUT0 to OUT15, V_CC = 3 V to 5.5 V
All output ON, V_O = 1 V to 3 V, R_(IREF) = 600 Ω,
OUT0 to OUT15
15
mA
32
36
65 ⁽¹⁾
70 80
90 mA
0.1 µA
10 µA
±1% ± 4%
±4% ±8.5%
±1
±4 %/V
±2
±6 %/V
R_(ON)
T_(TEF)
V_(LOD)
V_(IREF)
Pre-charge FET on-resistance
Thermal error flag threshold
LED open detection threshold
Reference voltage output
V_UP = 3 V, V_O = 0 V, OUT0 to OUT15
Junction temperature, rising temperature⁽²⁾
R_(IREF) = 600 Ω
150 160
0.3
1.20 1.24
10 KΩ
180 °C
0.4 V
1.28 V
(1) Measured at device start-up temperature. Once the IC is operating (self heating), lower I_CC values will be seen. See Figure 20.
(2) Not tested. Specified by design.
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