TLC5945_16 Datasheet, PDF (3/30 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

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RECOMMENDED OPERATING CONDITIONS
PARAMETER
TEST CONDITIONS
DC Characteristics
V_CC
Supply Voltage
V_O
Voltage applied to output (OUT0 - OUT15)
V_IH
High-level input voltage
V_IL
Low-level input voltage
I_OH
High-level output current
V_CC = 5 V at SOUT
I_OL
Low-level output current
V_CC = 5 V at SOUT, XERR
I_OLC
Constant output current
OUT0 to OUT15
T_A
Operating free-air temperature range
AC Characteristics
V_CC = 3 V to 5.5 V, T_A = –40°C to 85°C (unless otherwise noted)
f_(SCLK)
Data shift clock
frequency
SCLK
f_(GSCLK)
Grayscale clock
frequency
GSCLK
t_wh0/t_wl0
t_wh1/t_wl1
t_wh2
t_wh3
t_su0
t_su1
t_su2
t_su3
t_su4
t_su5
t_h0
t_h1
t_h2
t_h3
t_h4
SCLK pulse duration
GSCLK pulse duration
XLAT pulse duration
BLANK pulse duration
Setup time
Hold Time
SCLK = H/L (See Figure 6)
GSCLK = H/L (See Figure 6)
XLAT = H (See Figure 6)
BLANK = H (See Figure 6)
SIN - SCLK↑ (See Figure 6)
SCLK↓ - XLAT↑ (See Figure 6)
MODE↑↓ - SCLK↑ (See Figure 6)
MODE↑↓ - XLAT↑ (See Figure 6)
BLANK↓ - GSCLK↑ (See Figure 6)
XLAT↑ - GSCLK↑ (See Figure 6)
SCLK↑ - SIN (See Figure 6)
XLAT↓ - SCLK↑ (See Figure 6)
SCLK↑ - MODE↑↓ (See Figure 6)
XLAT↓ - MODE↑↓ (See Figure 6)
GSCLK↑ - BLANK↑ (See Figure 6)
TLC5945
SLVS755 – MARCH 2007
MIN
3
0.8 V_CC
GND
–40
NOM
MAX UNIT
5.5 V
17
V
V_CC
V
0.2 V_CC
V
–1 mA
1 mA
80 mA
85 °C
30 MHz
30 MHz
16
ns
16
ns
20
ns
20
ns
5
10
10
ns
10
10
30
3
10
10
ns
10
10
DISSIPATION RATINGS
PACKAGE
28-pin HTSSOP with PowerPAD™
soldered ⁽¹⁾
28-pin HTSSOP
without PowerPAD™ soldered
32-pin QFN⁽¹⁾
POWER RATING
T_A < 25°C
3958 mW
2026 mW
3482 mW
DERATING FACTOR
ABOVE T_A = 25°C
31.67 mW/°C
16.21 mW/°C
27.86 mW/°C
POWER RATING
T_A = 70°C
2533 mW
1296 mW
2228 mW
POWER RATING
T_A = 85°C
2058 mW
1053 mW
1811 mW
(1) The PowerPAD is soldered to the PCB with a 2-oz. copper trace. See application report SLMA002 for further information.
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