CAT3603 Datasheet, PDF (3/11 Pages) Catalyst Semiconductor – 3-Channel LED Driver in 3x3mm Package

CAT3603
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(VIN = 3.6 V, EN = High, T_AMB = 25°C over recommended operating conditions unless otherwise stated.)
Symbol
Parameter
Conditions
Min
I_Q
Quiescent Current
V_EN = 0 V, shutdown mode
1x Mode, No Load
1.5x Mode, No Load
V_RSET
I_LED
RSET Regulated Voltage
Programmed LED Current
I_LED−ACC LED Current Accuracy
I_LED−DEV
R_OUT
f_OSC
T_DROPOUT
LED Channel Matching
Output Resistance
(Open Loop)
Charge Pump Frequency
1x to 1.5x Mode Transition
Dropout Delay
I_RSET = 5 mA
I_RSET = 37 mA
I_RSET = 78 mA
0.5 mA ≤ I_LED ≤ 3 mA
3 mA ≤ I_LED ≤ 30 mA
(I_LED – I_LEDAVG) / I_LEDAVG
1x Mode
1.5x Mode, I_OUT = 100 mA
1.17
0.8
0.4
I_EN
Input Leakage Current
V_EN
High Detect Threshold
Low Detect Threshold
On Input EN
On Input EN
0.4
I_SC
Short Circuit Output Current
VOUT = GND
30
I_LIM
Maximum Input Current
VOUT > 1 V
200
T_SD
Thermal Shutdown
T_HYS
Thermal Hysteresis
V_UVLO
Undervoltage lock out (UVLO) threshold
Typ
0.1
0.4
2.7
1.2
2.4
15.0
30.0
±15
±5
±3
1.4
6.5
1.0
0.6
0.8
0.7
45
400
150
20
2
Max
1
1
5
1.23
2.5
10
1.3
0.9
1
1.3
60
600
Units
mA
mA
mA
V
mA
%
%
W
MHz
ms
mA
V
mA
mA
°C
°C
V
http://onsemi.com
3