CAT3649 Datasheet, PDF (2/14 Pages) ON Semiconductor – 6-Channel Quad-Mode LED Driver with 32 Dimming Levels & PWM

CAT3649
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx, C1±, C2±, PWM, ADIM, CPWM voltage
GND−0.3 to 6
V
VOUT
GND−0.3 to 7
V
Storage Temperature Range
−65 to +160
_C
Junction Temperature Range
−40 to +150
_C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS
Parameter
VIN
Ambient Temperature Range
LED pin Current range
Rating
Unit
2.4 to 5.5
V
−40 to +85
_C
0 to 25
mA
Table 3. RECOMMENDED ADIM, PWM TIMING (For 2.4 V ≤ V_IN ≤ 5.5 V, over full ambient temperature range −40°C to +85°C.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
ADIM program low time
ADIM program high time
ADIM to LED current settling time
ADIM or PWM low time to shutdown
PWM to VOUT delay time
PWM maximum frequency
PWM minimum duty cycle
T_LO
T_HI
T_LED
T_PWRDWN
T_{PWM VOUT}
F_{PWM MAX}
DC_{PWM MIN}
No CPWM capacitor
100 kHz PWM frequency
0.2
2000
ms
0.2
ms
40
ms
12.5
20
30
ms
40
ms
200
kHz
1
%
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