CAT3636HV3-T2 Datasheet, PDF (2/16 Pages) ON Semiconductor – 6-Channel Quad-Mode Fractional LED Driver in TQFN3x3

CAT3636
ABSOLUTE MAXIMUM RATINGS
Parameter
VIN, LEDx, C1±, C2± voltage
VOUT Voltage
EN/SET Voltage
Storage Temperature Range
Junction Temperature Range ⁽¹⁾
Lead Temperature
Rating
6
7
VIN + 0.7V
-65 to +160
-40 to +150
300
RECOMMENDED OPERATING CONDITIONS
Parameter
Range
VIN
Ambient Temperature Range ⁽¹⁾
2.5 to 5.5
-40 to +85
I_LED per LED pin
Total Output Current
0 to 32
0 to 192
Note:
(1) Package thermal resistance is below 50°C/W when mounted on FR4 board.
Typical application circuit with external components is shown on page 1.
Unit
V
V
V
°C
°C
°C
Unit
V
°C
mA
mA
ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) VIN = 3.6V, EN = High, T_AMB = 25°C
Symbol Name
Conditions
Min Typ Max
I_Q
Quiescent Current
1x mode, VIN = 4.2V
1.5
1.33 x mode, VIN = 3.3V
2.8
1.5x mode, VIN = 2.8V
3.7
2x mode, VIN = 2.5V
3.8
I_QSHDN
I_LED-ACC
I_LED-DEV
Shutdown Current
LED Current Accuracy
LED Channel Matching
V_EN = 0V
1mA ≤ I_LED ≤ 31mA
I_LED − I_LEDAVG
I_LED
1
±3
±1
R_OUT Output Resistance (open loop)
F_OSC Charge Pump Frequency
1x mode, I_OUT = 100mA
0.5
1.33x mode, I_OUT = 100mA
4.5
1.5x mode, I_OUT = 100mA
3.5
2x mode, I_OUT = 100mA
6
1.33x and 2x mode
0.6 0.8 1.1
1.5x mode
0.8 1.1 1.4
I_{SC_MAX} Output short circuit Current Limit
V_OUT < 0.5V
80
1x to 1.33x or 1.33x to 1.5x or
LED_TH 1.5x to 2x Transition Thresholds at any
150
LEDxx pin
V_HYS
T_DF
I_{IN_MAX}
R_EN/DIM
V_HI
V_LO
T_SD
T_HYS
V_UVLO
1.33x to 1x Transition Hysteresis
Transition Filter Delay
Input Current Limit
EN/DIM Pin
• Internal Pull-down Resistor
• Logic High Level
• Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
VIN - Highest LED V_F
V_OUT > 1V
400
500
450
100
1.3
0.4
150
20
2
Units
mA
mA
mA
mA
µA
%
%
Ω
Ω
Ω
Ω
MHz
MHz
mA
mV
mV
µs
mA
kΩ
V
V
°C
°C
V
Doc. No. MD-5020 Rev. F
2
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice