CAT4004A_11 Datasheet, PDF (2/11 Pages) ON Semiconductor – Constant Current LED Driver

CAT4002A, CAT4004A
MARKING DIAGRAMS
BGA
YM
VLYM
VJA
UDFN8 (2 x 2 mm)
BG = CAT4004A Device Code
A = Assembly Location Code
Y = Production Year (last digit)
M = Production Month: 1 − 9, A, B, C
TSOT23−6
SC70−6
VL = CAT4002A Device Code
Y = Production Year (last digit)
M = Production Month: 1 − 9, A, B, C
VJ = CAT4002A Device Code
A = Assembly Location Code
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx, RSET
6
V
EN/DIM Voltage
6
V
Storage Temperature Range
−65 to +160
°C
Junction Temperature Range
−40 to +125
°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. ELECTRICAL OPERATING CHARACTERISTICS (Min and Max values are over recommended operating conditions
unless specified otherwise. Typical values are at V_IN = 4.0 V, EN/DIM = High, and T_AMB = 25°C.)
Symbol
Name
Conditions
Min
Typ
Max Units
I_Q
Quiescent Current
No load, RSET = Float
No load, RSET = 4.8 kW
0.2
mA
0.5
I_QSHDN
I_LED
Shutdown Current
LED Current Setting
V_EN/DIM = 0 V
RSET = 3.0 kW
RSET = 4.99 kW
1
mA
25
mA
15
I_LED−ACC
I_LED−DEV
LED Current Accuracy
LED Channel Matching (Note 1)
V_RSET
V_DOUT
R_EN/DIM
V_HI
V_LO
RSET pin regulated voltage
Dropout Voltage
(90% of nominal LED current)
EN/DIM Pin
− Internal pull−down resistor
− Logic High Level
− Logic Low Level
1 mA ≤ I_LED ≤ 40 mA
I_LED * I_LEDAVG
I_LEDAVG
I_LED = 20 mA
I_LED = 1 mA
±1
%
−5
±1
+5
%
0.57
0.6
0.63
V
50
mV
25
200
kW
1.3
V
0.4
V
T_SD
Thermal Shutdown
T_HYS
Thermal Hysteresis
V_UVLO
Undervoltage lockout (UVLO) threshold
1. For CAT4004A, I_LEDAVG = (I_LED,CH1 + I_LED,CH2 + I_LED,CH3 + I_LED,CH4) / 4
For CAT4002A, I_LEDAVG = (I_LED,CH1 + I_LED,CH2) / 2
150
°C
20
°C
2.0
V
http://onsemi.com
2