TLC5971_15 Datasheet, PDF (5/45 Pages) Texas Instruments – 12-Channel, 16-Bit, Enhanced Spectrum, PWM, RGB, LED Driver

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TLC5971
SBVS146D – AUGUST 2010 – REVISED DECEMBER 2015
Recommended Operating Conditions (continued)
at T_A = –40°C to +85°C, and VCC = 6 V to 17 V or VCC = VREG = 3 V to 5.5 V, unless otherwise noted.
MIN
NOM
I_REG
Voltage regulator output current (VREG)
T_A
Operating free temperature range
–40
T_J
Operating junction temperature
–40
AC CHARACTERISTICS
f_{CLK (SCKI)}
t_WH/t_WL
t_SU
t_H
Data clock frequency and GS control clock frequency, SCKI
Pulse duration, SCKI
Setup time, SDTI – SCKI↑
Hold time, SDTI – SCKI↑
0.007
10
5
3
MAX
–25
85
125
20
UNIT
mA
°C
°C
MHz
ns
ns
ns
6.4 Thermal Information
THERMAL METRIC⁽¹⁾
TLC5971
PWP (HTSSOP) RGE (VQFN)
UNIT
20 PINS
24 PINS
θ_JA
θ_JCtop
θ_JB
ψ_JT
ψ_JB
θ_JCbot
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
68.6
38
°C/W
44.2
40.5
°C/W
19.3
10.2
°C/W
2.7
0.3
°C/W
15.7
10
°C/W
1.8
2.9
°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.5 Electrical Characteristics
At T_A = –40°C to +85°C, V_CC = 6 V to 17 V or VCC = VREG = 3 V to 5.5 V, VLED = 5 V, and C_VREG = 1 µF, unless otherwise
noted. Typical values are at T_A = 25°C and VCC = 12 V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V_OH
V_OL
I_I
I_CC
I_CC1
I_CC2
I_CC3
I_OLC
I_OLKG
High-level output voltage, SDTO/SCKO
Low-level output voltage, SDTO/SCKO
Input current, SDTI/SCKI
Supply current
Constant output current, OUTXn
Leakage output current, OUTXn
I_OH = –2 mA
I_OL = 2 mA
V_I = VREG or GND
SDTI/SCKI = low, BLANK = 1, GSn = FFFFh,
BCX = 7Fh, V_OUTXn = 1 V, R_IREF = 24 kΩ (I_OLCMax = 2 mA)
SDTI/SCKI = low, BLANK = 1, GSn = FFFFh,
BCX = 7Fh, V_OUTXn = 1 V, R_IREF = 1.6 kΩ (I_OLCMax = 30 mA)
SDTI = 10 MHz, SCKI = 20 MHz, BLANK = 0,
auto repeat enable, external GS clock selected, GSn = FFFFh,
BCX = 7Fh, V_OUTXn = 1 V, R_IREF = 1.6 kΩ (I_OLCMax = 30 mA)
SDTI = 10 MHz, SCKI = 20 MHz, BLANK = 0,
auto repeat enable, external GS clock selected, GSn = FFFFh,
BCX = 7Fh, V_OUTXn = 1 V, R_IREF = 0.82 kΩ (I_OLCMax = 60 mA)
All OUTXn on, BCX = 7Fh, V_OUTXn = 1 V,
V_OUTfix = 1 V, R_IREF = 0.82 kΩ (I_OLCMax = 60 mA)
All OUTXn off, BCX = 7Fh, V_OUTXn = 17 V,
V_OUTfix = 17 V, R_IREF = 0.82 kΩ (I_OLCMax = 60 mA)
VREG – 0.4
0
–1
56.3
VREG
V
0.4
V
1
µA
2
4
mA
6
9
mA
14
22
mA
21
36
mA
60.5
64.7
mA
0.1
µA
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