CAT4008_15 Datasheet, PDF (3/11 Pages) ON Semiconductor – 8-Channel Constant Current LED Driver

CAT4008
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(V_DD = 5.0 V, T_AMB = 25°C, over recommended operating conditions unless specified otherwise.)
Symbol
Name
Conditions
Min
DC CHARACTERISTICS
I_LED−ACC
LED Current (any channel)
I_LED−MAT
LED Current Matching
(I_LED − I_LEDAVR) / I_LEDAVR
ΔI_VDD
LED current regulation vs. V_DD
V_LED = 1 V, R_SET = 3.08 kW
V_LED = 1 V, R_SET = 1.54 kW
V_LED = 1 V, R_SET = 769 W
V_LED = 1 V, R_SET = 3.08 kW
V_LED = 1 V, R_SET = 1.54 kW
V_LED = 1 V, R_SET = 769 W
V_DD within 4.5 V and 5.5 V
LED current 30 mA
18
36
−6.0
ΔI_VLED
LED current regulation vs. V_LED
V_LED within 1 V and 3 V
LED current 30 mA
I_DDOFF
I_DDON
I_LKG
R_LATCH
R_BLANK
V_IH
V_IL
V_HYS
I_IL
Supply Current (all outputs off)
Supply Current (all outputs on)
LEDn output Leakage
LATCH Pull−down Resistance
BLANK Pull−up Resistance
Logic high input voltage
Logic low input voltage
Logic input hysteresis voltage
Logic Input leakage current
(CLK, SIN)
R_SET = 3.08 kW
R_SET = 769 W
R_SET = 3.08 kW
R_SET = 769 W
V_LED = 5 V, outputs off
−1
100
100
0.7xV_DD
V_I = V_DD or GND
−5
V_OH
V_OL
V_RSET
T_SD
T_HYST
SOUT logic high output voltage
SOUT logic low output voltage
RSET Regulated Voltage
Thermal Shutdown
Thermal Hysteresis
I_OH = −1 mA
I_OL = 1 mA
BLANK high, outputs off
V_CC−0.3 V
1.17
Typ
20
40
80
±1.5
±1.5
±2.0
±0.1
±0.05
2
5.5
2.5
6.2
180
180
0.1xV_DD
0
1.20
160
20
Max
22
44
+6.0
8
9
1
300
300
0.3xV_DD
5
0.3
1.23
Units
mA
%
%/V
%/V
mA
mA
mA
kW
kW
V
V
mA
V
V
°C
°C
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