CAT3626 Datasheet, PDF (3/16 Pages) Catalyst Semiconductor – 6-Channel LED Driver with I2C Interface

CAT3626
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
V_IN = 3.6 V, EN = High, ambient temperature of 25°C (over recommended operating conditions unless specified otherwise)
Symbol
Parameter
Test Conditions
Min
Typ
Max
I_Q
Quiescent Current
1x mode, all LEDs Off
0.5
1x mode, all LEDs On
2.2
1.5x mode, all LEDs Off
3.5
I_QSHDN Shutdown Current
V_EN = 0 V
0
1
I_LED
LED Current Range with 6 LEDs
0
32
I_LED−ACC LED Current Accuracy
1 mA v I_LED v 31 mA
±3
I_LED−DEV LED Channel Matching
(I_LED − I_LEDAVG) / I_LEDAVG
±3
R_OUT
Output Resistance (open loop)
1x mode, I_OUT = 120 mA
0.5
1.5x mode, I_OUT = 120 mA
2.8
F_OSC
Charge Pump Frequency
0.8
1
1.3
I_{SC_MAX} Output short circuit Current Limit
V_OUT < 0.5 V
60
I_{IN_MAX} Input Current Limit
1x mode, V_OUT > 1 V
300
I_EN
V_HI−EN
V_LO−EN
V_HI
V_LO
EN Pin
− Input Leakage
− Logic High Level
− Logic Low Level
I²C SDA, SCL
− High Level Input Voltage
− Low Level Input Voltage
−1
1.3
0.7 x V_IN
1
0.4
0.3 x V_IN
T_SD
Thermal Shutdown
165
T_HYS
Thermal Hysteresis
20
V_UVLO Under−voltage lock out (UVLO) threshold
2
Units
mA
mA
mA
%
%
W
MHz
mA
mA
mA
V
V
V
V
°C
°C
V
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