CAT3604V_14 Datasheet, PDF (4/13 Pages) ON Semiconductor – 4-Channel LED Driver

CAT3604V
Table 4. AC CHARACTERISTICS
(For 2.5 V ≤ VIN ≤ 5.5 V, over full ambient temperature range −40 to +85°C.)
Symbol
Name
Conditions
Min
Typ
Max
Units
T_LED
LED current settling time from shutdown mode 1x mode, V_IN = 4 V
40
ms
1.33x mode, V_IN = 3.5 V
400
T_MD
Mode transition time
500
ms
T_PWRDWN Device power down delay
0.9
1.5
ms
T_LED−ON
LED on settling time
1
ms
T_LED−OFF LED off settling time
120
ns
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
Figure 2. CAT3604V Timing Characteristics
LED Current Setting
The nominal LED current is set by the external resistor
connected between the RSET pin and ground. Table 5 lists
standard resistor values for several LED current settings.
Table 5. RESISTOR RSET AND LED CURRENT
LED Current (mA)
RSET (kW)
2
40.0
5
15.8
10
7.87
15
5.23
20
4.02
25
3.16
30
2.67
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