TLC5940-EP Datasheet, PDF (5/33 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5940-EP
www.ti.com
SLVSA51D – MARCH 2010 – REVISED MAY 2010
RECOMMENDED OPERATING 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 = 5V at SOUT
I_OL
Low-level output current
V_CC = 5V at SOUT
–40°C to 125°C
I_OLC
Constant output current
OUT0 to OUT15
–40°C to 85°C, V_CC < 3.6 V
–40°C to 85°C, V_CC > 3.6 V
V_(VPRG) EEPROM program voltage
T_A
Operating free-air temperature range
AC CHARACTERISTICS
V_CC = 3 V to 5.5 V, T_A = –40°C to 125°C (unless otherwise noted)
f_(SCLK) Data shift clock frequency SCLK
f_(GSCLK) Grayscale clock frequency GSCLK
t_wh0/t_wl0 SCLK pulse duration
SCLK = H/L (see Figure 12)
t_wh1/t_wl1 GSCLK pulse duration
GSCLK = H/L (see Figure 12)
t_wh2
XLAT pulse duration
XLAT = H (see Figure 12)
t_wh3
BLANK pulse duration
BLANK = H (see Figure 12)
t_su0
SIN to SCLK ↑⁽¹⁾ (see Figure 12)
t_su1
SCLK ↓ to XLAT ↑ (see Figure 12)
t_su2
VPRG ↑ ↓ to SCLK ↑ (see Figure 12)
t_su3
Setup time
VPRG ↑ ↓XLAT ↑ (see Figure 12)
t_su4
BLANK ↓ to GSCLK ↑ (see Figure 12)
t_su5
XLAT ↑ to GSCLK ↑ (see Figure 12)
t_su6
VPRG ↑ to DCPRG ↑ (see Figure 17)
t_h0
SCLK ↑ to SIN (see Figure 12)
t_h1
XLAT ↓ to SCLK ↑ (see Figure 12)
t_h2
Hold Time
t_h3
SCLK ↑ to VPRG ↑ ↓ (see Figure 12)
XLAT ↓ to VPRG ↑ ↓ (see Figure 12)
t_h4
GSCLK ↑ to BLANK ↑ (see Figure 12)
t_h5
DCPRG ↓ to VPRG ↓ (see Figure 12)
t_prog
Programming time for EEPROM (see Figure 17)
(1) ↑ and ↓ indicates a rising edge, and a falling edge respectively.
MIN NOM MAX UNIT
3
0.8 V_CC
GND
20
-40
5.5 V
17 V
V_CC V
0.2
V_CC
V
–1 mA
1 mA
72
60 mA
120
22
23 V
125 °C
30 MHz
30 MHz
16
ns
16
ns
20
ns
20
ns
5
ns
10
ns
10
ns
10
ns
10
ns
30
ns
1
ms
3
ns
10
ns
10
ns
10
ns
10
ns
1
ms
20
ms
DISSIPATION RATINGS
PACKAGE
28-pin HTSSOP with
PowerPAD™ soldered⁽¹⁾
POWER RATING DERATING FACTOR POWER RATING
T_A < 25°C
ABOVE T_A = 25°C
T_A = 70°C
3958mW
31.67mW/°C
2533mW
28-pin HTSSOP with
PowerPAD™ unsoldered
2026mW
16.21mW/°C
1296mW
32-pin QFN(1)
3482mW
27.86mW/°C
2228mW
POWER RATING
T_A = 85°C
2058mW
1053mW
1811mW
POWER RATING
T_A = 125°C
791mW
405mW
696mW
(1) The PowerPAD is soldered to the PCB with a 2 oz. (56,7 grams) copper trace. See SLMA002 for further information.
Copyright © 2010, Texas Instruments Incorporated
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