cat3636 Catalyst Semiconductor, cat3636 Datasheet - Page 2

• Manufacturer Part Number: cat3636
• Description: 6-channel Quad-modetm Fractional Led Driver In Tqfn3x3
• Manufacturer: Catalyst Semiconductor

CAT3636
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
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.
ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) VIN = 3.6V, EN = High, T
Doc. No. MD-5020 Rev. D
Parameter
VIN, LEDx, C1±, C2± voltage
VOUT Voltage
EN/SET Voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Parameter
VIN
Ambient Temperature Range
I
Total Output Current
Symbol
LED
I
I
R
I
I
LED
I
LED-ACC
LED-DEV
SC_MAX
V
IN_MAX
QSHDN
R
F
V
T
EN/DIM
V
T
T
V
per LED pin
UVLO
I
OSC
HYS
OUT
HYS
Q
LO
SD
DF
HI
TH
Quiescent Current
Shutdown Current
LED Current Accuracy
LED Channel Matching
Output Resistance (open loop)
Charge Pump Frequency
Output short circuit Current Limit
1x to 1.33x or 1.33x to 1.5x or
1.5x to 2x Transition Thresholds at any
LEDxx pin
1.33x to 1x Transition Hysteresis
Transition Filter Delay
Input Current Limit
EN/DIM Pin
•
•
•
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
Name
Internal Pull-down Resistor
Logic High Level
Logic Low Level
(1)
(1)
-65 to +160
-40 to +150
-40 to +85
VIN + 0.7V
2.5 to 5.5
0 to 192
0 to 32
V
V
Conditions
1x mode, VIN = 4.2V
1.33 x mode, VIN = 3.3V
1.5x mode, VIN = 2.8V
2x mode, VIN = 2.5V
V
1mA ≤ I
1x mode, I
1.33x mode, I
1.5x mode, I
2x mode, I
1.33x and 2x mode
1.5x mode
VIN - Highest LED V
2
Rating
Range
300
EN
OUT
OUT
6
7
= 0V
< 0.5V
> 1V
I
LED
LED
OUT
OUT
≤ 31mA
−
I
LED
OUT
I
LEDAVG
OUT
= 100mA
= 100mA
= 100mA
= 100mA
Unit
Unit
mA
mA
°C
°C
°C
°C
V
V
V
V
F
Characteristics subject to change without notice
Min
0.6
0.8
1.3
Typ
150
400
500
450
100
150
1.5
2.8
3.7
3.8
0.5
4.5
3.5
0.8
1.1
AMB
±3
±1
80
20
6
2
© Catalyst Semiconductor, Inc.
= 25°C
Max
1.1
1.4
0.4
1
Units
MHz
MHz
mA
mA
mA
mA
mA
mA
mV
mV
µA
kΩ
µs
°C
°C
%
%
Ω
Ω
Ω
Ω
V
V
V