TLC6C5712-Q1_15 Datasheet, PDF (5/64 Pages) Texas Instruments – TLC6C5712-Q1 12-Channel, Full-Diagnostic, Constant-Current-Sink LED Driver With 8-Bit Dot Correction

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TLC6C5712-Q1
SLVSCO9A – AUGUST 2015 – REVISED AUGUST 2015
6.4 Thermal Information
THERMAL METRIC⁽¹⁾
TLC6C5712-Q1
PWP (HTSSOP)
UNIT
28 PINS
R_θJA
R_θJC(top)
R_θJB
ψ_JT
ψ_JB
R_θJC(bot)
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
39
°C/W
19.5
°C/W
16.1
°C/W
0.5
°C/W
15.9
°C/W
1.7
°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
T_A = 25°C, over recommended operating conditions (unless otherwise specified)
PARAMETER
TEST CONDITIONS
POWER SUPPLIES (V_CC, PGND, GND)
I_CC
Supply current
V_(POR-rising)
Power-on reset voltage, rising
V_{(POR-falling)}
Power-on reset voltage, falling
V_(POR-hyst)
POR threshold hysteresis
LOGIC INPUTS (PWMx, SDI, LATCH, SCK)
V_CC = 5 V, PWM = H, R_REF = 20.5 kΩ
V_CC = 3.3 V
Rising threshold
Falling threshold
V_(HYS)
Input logic hysterisis
I_lkg
Input leakage current
R_PU
PWM pullup resistance
CONTROL OUTPUTS (ERR, IREF, SDO)
V_CC = 5 V or 3.3 V
V_I = V_CC
V_(ERR)
ERR pin open-drain voltage drop
I_lkg(ERR)
ERR leakage current
V_(IREF)
IREF voltage
V_OH(SDO)
SDO output-high voltage
V_OL(SDO)
SDO output-low voltage
OUTPUT STAGE (OUTx)
I_(ERR) = 4 mA, V_CC = 3.3 V–5 V
V_(ERR) = 5 V
R_(IREF) = 20.5 kΩ
I_(SDO) = –4 mA
I_(SDO) = 4 mA
I_(OUTx,max)
Constant output current
V_(OUTx) = 0.75 V, R_(IREF) = 12.2 kΩ,
Dot correction = 255
V_(OUTx) = 1.2 V, R_(IREF) = 8.13 kΩ,
Dot correction = 255
I_(OUTx,min)
Minimum current-sink capability
V_(OUTx) = 0.75 V, R_REF = 12.2 kΩ,
dot correction = 255
I_{(OUTx,default)}
Constant output current
V_(OUTx) = 0.75 V, reference fault detected,
Dot correction = 255
V_(OUT,min)
Minimum output voltage
DNL
Output-current dot-correction
differential nonlinearity
V_CC = 3.3 V, R_(IREF) = 12.2 kΩ, dot correction = 255
V_CC = 5 V, R_(IREF) = 12.2 kΩ, dot correction = 255
V_CC = 5 V, R_(IREF) = 8.13 kΩ, dot correction = 255
V_CC = 5 V, R_(IREF) = 12.2 kΩ, (50-mA maximum output
current)
V_CC = 5 V, R_(IREF) = 61 kΩ, (10-mA maximum output
current)
V_(OUTx) = 0.75 V, R_(IREF) = 12.2 kΩ (50 mA), dot
correction = 255
ΔI_(OUTx)
Output current absolute error
percentage
V_(OUTx) = 0.75 V, R_(IREF) = 20.5 kΩ (30 mA), dot
correction = 255
V_(OUTx) = 0.75 V, R_(IREF) = 61 kΩ (10 mA), dot
correction = 255
V_(OUTx) = 1.2 V, R_(IREF) = 8.13 kΩ (75 mA), dot
correction = 255
MIN
TYP
MAX UNIT
3
4.5
mA
2.5
4
2.6
2.7
2.8
V
2.4
2.5
2.6
V
0.2
V
0.1 V_CC
–1
105
150
V
1
µA
230
kΩ
0.1 V_CC
V
3
µA
1.204 1.229 1.254
V
0.9 V_CC
V
0.1 V_CC
V
50
mA
75
0.15 0.165
0.18 mA
7.5
–0.6
–0.08
10
14 mA
0.75
0.5
V
1.2
0.6
mA
0.08
–3%
3%
–3%
3%
–7.5%
7.5%
–3%
3%
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