CAT4104V-GT3 Datasheet, PDF (2/14 Pages) ON Semiconductor – 700 mA Quad Channel Constant Current LED Driver

CAT4104
ABSOLUTE MAXIMUM RATINGS
Parameter
VIN, RSET, EN/PWM Voltages
LED1, LED2, LED3, LED4 Voltages
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Rating
Unit
-0.3 to 6
V
-0.3 to 25
V
-65 to +160
°C
-40 to +150
°C
300
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Rating
Unit
VIN
3.0 to 5.5
V
Voltage applied to LED1 to LED4, outputs off
up to 25
V
Voltage applied to LED1 to LED4, outputs on
up to 6*
V
Ambient Temperature Range
-40 to +85
°C
I_LED per LED pin
10 to 175
mA
* Keeping LEDx pin voltage below 6 V in operation is recommended to minimize thermal dissipation in the package.
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
Min and Max values are over the recommended operating conditions unless specified otherwise.
Typical values are at VIN = 5.0 V, T_AMB = 25°C
Symbol Name
Conditions
Min Typ
I_LED-ACC LED Current Accuracy
I_LEDNOM − I_LED
I_LEDNOM
±2
I_LED-DEV LED Channel Matching
I_LED − I_{LEDAVG , note 1}
I_LED
-5
±1
V_DOUT Dropout Voltage
I_LED = 175 mA
400
V_RSET RSET Pin Voltage
1.17 1.2
I_Q
Quiescent Current
No LED, RSET = Float
0.6
No LED, RSET = 770 Ω
6
I_QSHDN Shutdown Current
V_EN = 0V
R_EN/PWM
V_HI
V_LO
EN/PWM Pin
• Internal pull-down resistance
• Logic High Level
• Logic Low Level
200
1.3
T_SD
Thermal Shutdown
150
T_HYS Thermal Hysteresis
20
I_LED/I_RSET RSET to LED Current gain ratio
25 mA LED current
100
V_UVLO Undervoltage lockout (UVLO) threshold
2.0
Note 1: Min and Max values are tested for I_LED = 50 mA, VIN = 3.5 V, VLEDx = 0.4 V, T_AMB = 25°C.
Max Units
%
+5
%
mV
1.23 V
mA
mA
1
µA
kΩ
V
0.4 V
°C
°C
V
Doc. No. MD-5041 Rev. B
2
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice