CAT3626
ABSOLUTE MAXIMUM RATINGS
Parameters
VIN, LEDxx voltage
VOUT, C1±, C2± voltage
EN, SDA, SCL voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Ratings
6
7
VIN + 0.7V
-65 to +160
-40 to +150
300
Units
V
V
V
ºC
ºC
ºC
RECOMMENDED OPERATING CONDITIONS
Parameter
VIN
Ambient Temperature Range
LED forward voltage
I
LED
per LED pin
Range
3 to 5.5
-40 to +85
Up to 4.2
0 to 32
Units
V
ºC
V
mA
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
V
IN
= 3.6V, EN = High, ambient temperature of 25ºC (over recommended operating conditions unless specified
otherwise)
Symbol
I
Q
I
QSHDN
I
LED
I
LED-ACC
I
LED-DEV
R
OUT
F
OSC
I
SC_MAX
I
IN_MAX
I
EN
V
HI-EN
V
LO-EN
V
HI
V
LO
T
SD
T
HYS
V
UVLO
Parameter
Quiescent Current
Shutdown Current
LED Current Range with 6 LEDs
LED Current Accuracy
LED Channel Matching
Output Resistance (open loop)
Charge Pump Frequency
Output short circuit Current Limit
Input Current Limit
EN Pin
- Input Leakage
- Logic High Level
- Logic Low Level
2
I C SDA, SCL
- High Level Input Voltage
- Low Level Input Voltage
Thermal Shutdown
Thermal Hysteresis
Under-voltage lock out (UVLO)
threshold
V
OUT
< 0.5V
1x mode, V
OUT
> 1V
-1
1.3
0.7 x V
IN
165
20
2
1mA
≤
I
LED
≤
31mA
(I
LED
- I
LEDAVG
) / I
LEDAVG
1x mode, I
OUT
= 120mA
1.5x mode, I
OUT
= 120mA
0.8
Test Conditions
1x mode, all LEDs Off
1x mode, all LEDs On
1.5x mode, all LEDs Off
V
EN
= 0V
Min
Typ
0.5
2.2
3.5
0
±3
±3
0.5
2.8
1
60
300
1
0.4
1.3
Max
Units
mA
mA
mA
µA
mA
%
%
Ω
Ω
MHz
mA
mA
µA
V
V
V
V
ºC
ºC
V
1
32
0
0.3 x V
IN
Doc. No. MD-5014 Rev. D
2
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CATALYST [ CATALYST SEMICONDUCTOR ]
