CAT3604V Datasheet, PDF (2/15 Pages) Catalyst Semiconductor – 4-Channel Quad-Mode™ LED Driver with Open/Short LED Detection

CAT3604V
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx, C1±, C2± voltage
6
V
VOUT voltage
7
V
EN voltage
6
V
Storage Temperature Range
-65 to +160
°C
Junction Temperature Range
-40 to +150
°C
Lead Temperature
300
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Rating
Unit
VIN
2.5 to 5.5
V
Ambient Temperature Range
-40 to +85
°C
I_LED per LED pin
0 to 25
mA
Total Output Current
0 to 100
mA
LED Forward Voltage Range
1.3 to 4.3
V
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) V_IN = 3.6V, EN = High, T_AMB = 25°C
Symbol Name
Conditions
Min Typ Max
I_Q
I_QSHDN
I_LED-ACC
I_LED-DEV
I_LED
V_RSET
R_OUT
F_OSC
I_{SC_MAX}
I_{IN_MAX}
LED_TH
Quiescent Current
Shutdown Current
LED Current Accuracy
LED Channel Matching
Programmed LED Current
RSET Regulated Voltage
Output Resistance (open loop)
Charge Pump Frequency
Output short circuit Current Limit
Input Current Limit
1x to 1.33x, 1.33x to 1.5x or 1.5x to 2x
Transition Thresholds at any LED pin
1x mode, no load
1.33 x mode, no load
1.5x mode, no load
2x mode, no load
V_EN = 0V
I_LEDAVG / I_{LEDAVG-NOMINAL}
(I_LED - I_LEDAVG) / I_LEDAVG
R_SET = 34.0kΩ
R_SET = 5.23kΩ
R_SET = 2.67kΩ
1x mode
1.33x mode, V_IN = 3V
1.5x mode, V_IN = 2.7V
2x mode, V_IN = 2.4V
1.33x and 2x mode
1.5x mode
V_OUT < 0.5V
V_OUT > 1V
1.0
1.7
2.2
2.4
1
±2
±1.5
2.4
15
30
0.58 0.6 0.62
0.8
5
5
10
0.8
1
1.3
1
1.3 1.6
50
250
130
V_HYS
R_EN
V_HI
V_LO
T_SD
T_HYS
V_UVLO
1x Mode Transition Hysteresis
EN Pin
• Internal Pull-down Resistor
• Logic High Level
• Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
400
100
1.3
0.4
150
20
1.6 1.8 2.0
Units
mA
mA
mA
mA
µA
%
%
mA
V
Ω
Ω
Ω
Ω
MHz
MHz
mA
mA
mV
mV
kΩ
V
V
°C
°C
V
Doc. No. MD-5029 Rev. B
2
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice