CAT4004 Datasheet, PDF (2/10 Pages) Catalyst Semiconductor – 4-Channel Constant Current LED Driver with EZDi TM

CAT4004
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx, RSET
6
V
EN/DIM Voltage
Storage Temperature Range
V_IN + 0.7
V
−65 to +160
°C
Junction Temperature Range
−40 to +150
°C
Lead Temperature
300
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS
Parameter
V_IN
Ambient Temperature Range
I_LED per LED pin
NOTE: Typical application circuit with external components is shown on page 1.
Rating
Unit
2.4 to 5.5
V
−40 to +85
°C
0 to 40
mA
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) V_IN = 4.0 V, EN = High, T_AMB = 25°C
Symbol
Name
Conditions
Min
Typ
I_Q
Quiescent Current
No load, RSET = Float
0.6
No load, RSET = 4.8 kW
1.0
I_QSHDN
I_LED−ACC
I_LED−DEV
Shutdown Current
LED Current Accuracy
LED Channel Matching
V_DOUT
R_EN/DIM
V_HI
V_LO
Dropout Voltage
EN/DIM Pin
− Internal pull−down resistor
− Logic High Level
− Logic Low Level
V_EN = 0 V
1 mA ≤ I_LED ≤ 40 mA
I_LED * I_LEDAVG
I_LED
I_LED = 30 mA
±1
−5
±1
130
100
1.3
T_SD
Thermal Shutdown
150
T_HYS
Thermal Hysteresis
20
V_UVLO
Undervoltage lockout (UVLO) threshold
1.8
Max Units
mA
1
mA
%
+5
%
mV
kW
V
0.4
V
°C
°C
V
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