CAT4004_08 Datasheet, PDF (2/11 Pages) Catalyst Semiconductor – 4-Channel Constant Current LED Driver with EZDim™

CAT4004
ABSOLUTE MAXIMUM RATINGS
Parameter
VIN, LEDx, RSET
EN/DIM Voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Rating
Unit
6
V
V_IN + 0.7
V
-65 to +160
°C
-40 to +150
°C
300
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
V_IN
Ambient Temperature Range
I_LED per LED pin
Rating
2.4 to 5.5⁽¹⁾
-40 to +85
0 to 40
Unit
V
°C
mA
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) V_IN = 4.0V, EN = High, T_AMB = 25°C
Symbol
I_Q
I_QSHDN
I_LED-ACC
I_LED-DEV
V_DOUT
R_EN/DIM
V_HI
V_LO
T_SD
T_HYS
V_UVLO
Name
Quiescent Current
Shutdown Current
LED Current Accuracy
LED Channel Matching
Dropout Voltage
EN/DIM Pin
• Internal pull-down resistor
• Logic High Level
• Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
Conditions
No load, RSET = Float
No load, RSET = 4.8kΩ
V_EN = 0V
1mA ≤ I_LED ≤ 40mA
I_LED − I_LEDAVG
I_LED
I_LED = 30mA
Min Typ Max
0.6
1.0
1
±1
-5
±1
+5
130
100
1.3
0.4
150
20
1.8
Units
mA
mA
µA
%
%
mV
kΩ
V
V
°C
°C
V
Doc. No. MD-5024 Rev. B
2
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice