CAT4109V-GT2 Datasheet, PDF (2/11 Pages) ON Semiconductor – 3-Channel Constant-Current RGB LED Driver with Individual PWM Dimming

CAT4109
ABSOLUTE MAXIMUM RATINGS
Parameter
VDD Voltage
Input Voltage Range (OE, PWM1, PWM2, PWM3)
LED1, LED2, LED3 Voltage
DC Output Current on LED1 to LED3
Storage Temperature Range
Junction Temperature Range
Lead Soldering Temperature (10sec.)
ESD Rating on All Pins: • Human Body Model
• Machine Model
Rating
6
-0.3V to 6V
25
200
-55 to +160
-40 to +150
300
2000
200
Units
V
V
V
mA
°C
°C
°C
V
RECOMMENDED OPERATING CONDITIONS
Parameter
Range
Units
VDD
3.0 to 5.5
V
Voltage applied to LED1 to LED3, outputs off
up to 25
V
Voltage applied to LED1 to LED3, outputs on
up to 6*
V
Output Current on LED1 to LED3
2 to 175
mA
Ambient Temperature Range
-40 to +85
°C
* Keeping LEDx pin voltage below 6V in operation is recommended to minimize thermal dissipation in the package.
ELECTRICAL OPERATING CHARACTERISTICS
DC CHARACTERISTICS
Min and Max values are over recommended operating conditions unless specified otherwise.
Typical values are at VDD = 5.0V, T_AMB = 25°C
Symbol Name
Conditions
Min Typ
I_DD1
I_DD2
I_DD3
I_DD4
I_SHDN
I_LKG
R_OE
V_{OE_IH}
V_{OE_IL}
Supply Current Outputs Off
Supply Current Outputs Off
Supply Current Outputs On
Supply Current Outputs On
Shutdown Current
LED Output Leakage
OE pull-down resistance
OE logic high input voltage
OE logic low input voltage
V_LED = 5V, R_SET = 24.9kΩ
2
V_LED = 5V, R_SET = 5.23kΩ
4
V_LED = 0.5V, R_SET = 24.9kΩ
2
V_LED = 0.5V, R_SET = 5.23kΩ
4
V_OE = 0V
V_LED = 5V, Outputs Off
-1
140 190
0.4
V_{PWM_IH} PWMx logic high input voltage
V_{PWM_IL} PWMx logic low input voltage
I_IL
Logic Input Leakage Current
(PWMx)
V_RSETx RSETx Regulated Voltage
T_SD Thermal Shutdown
T_HYS Thermal Hysteresis
I_LED/I_RSET RSET to LED Current Gain ratio
V_PWMx = V_DD or GND
100mA LED Current
0.3x V_DD
-5
0
1.17 1.2
150
20
400
V_UVLO
Undervoltage Lockout (UVLO)
Threshold
1.8
Max
5
10
5
10
1
1
250
1.2
0.7x V_DD
5
1.23
Units
mA
mA
mA
mA
µA
µA
kΩ
V
V
µA
V
°C
°C
V
Doc. No. MD-5042, Rev. A
2
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice