TLC6C5712-Q1 Datasheet, PDF (6/68 Pages) Texas Instruments – 12-Channel, Full-Diagnostic, Constant-Current-Sink LED Driver

TLC6C5712-Q1
SLVSCO9A – AUGUST 2015 – REVISED AUGUST 2015
Electrical Characteristics (continued)
T_A = 25°C, over recommended operating conditions (unless otherwise specified)
PARAMETER
TEST CONDITIONS
ΔI_{(OUT_VOUT)}
K_(OUT)
I_lkg(OUTx)
I_lkg(SENSE)
I_{(IREF_octh)}
Output current dependency on OUTx
voltage
Ratio of output current to IREF
current, K = I_(OUTx) / I_(IREF)
Output leakage current
Leakage current at SENSE pin
IREF resistor open-circuit detection
threshold
V_(OUTx) = 0.75 V, R_(IREF) = 12.2 kΩ (50 mA),
ΔI_{(OUT_VOUT)} = (I_{(OUT_7V)} – I_{(OUT_1V)} / I_(IDEAL)) × 100
Dot correction = 255
[CH_EN_MASKx] = 1, [DIS_OFF_FAULT_DIAG] = 1,
V_(OUTx) = 6.7 V, V_(SENSE) = 7 V, T_A = 125°C
V_CC = 0, V_(SENSE) = 5 V
V_CC = 5 V
I_{(IREF_octh,hyst)}
IREF resistor open-circuit detection-
threshold hysteresis
V_CC = 5 V
I_{(IREF_scth)}
IREF resistor short-circuit detection
threshold
V_CC = 5 V
I_{(IREF_scth,hyst)}
IREF resistor short-circuit detection-
threshold hysteresis
V_CC = 5 V
I_{(OUT_PULLUP)}
Channel pullup current during
deactivated state
V_CC = 5 V, V_(OUTx) = 1 V
PROTECTION CIRCUITS
V_(WLS)
Weak LED supply-detection threshold
voltage
[WLS_TH] = 0
V_{(WLS_hyst)}
V_{(WLS_OPT)}
Weak LED supply hysteresis
[WLS_TH] = 0
Weak LED supply detection-threshold
voltage
[WLS_TH] = 1
V_{(WLS_hyst_OPT)}
V_{(SC_th)}
Weak LED supply hysteresis
[WLS_TH] = 1
Short circuit-to-V_(SENSE) detection
threshold, voltage difference between
V(SENSE) and V(OUTx)
V_{(SC_hyst)}
Short circuit-to-V_(SENSE) detection
hysteresis
V_{(OC_th)}
V_{(OC_hyst)}
T_(TSD)
Open-circuit detection threshold
Open-circuit-detection hysteresis
Thermal-shutdown junction
temperature
T_(HYS)
Thermal shutdown or warning
junction temperature hysteresis
T_(PTW)
Pre-thermal warning junction-
temperature threshold
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MIN
–0.5%
4.5
160
TYP
MAX UNIT
0.5%
500
mA/mA
0.5
µA
10
µA
15
µA
2
µA
260
µA
20
µA
50
µA
4.1
4.2
4.3
V
0.1
V
2.7
2.77
2.85
V
0.1
V
0.5
0.7
0.9
V
0.1
0.1
0.2
0.05
150
165
15
125
135
V
0.3
V
V
ºC
ºC
150
ºC
6
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