CAT3604V Datasheet, PDF (3/15 Pages) Catalyst Semiconductor – 4-Channel Quad-Mode™ LED Driver with Open/Short LED Detection

CAT3604V
A.C. CHARACTERISTICS
For 2.5V ≤ VIN ≤ 5.5V, over full ambient temperature range -40 to +85°C.
Symbol
T_LED
T_MD
T_PWRDWN
T_LED-ON
T_LED-OFF
Name
LED current settling time from
shutdown mode
Mode transition time
Device power down delay
LED on settling time
LED off settling time
Conditions
Min Typ Max Units
1x mode, V_IN = 4V
40
1.33x mode, V_IN = 3.5V
400
μs
500
µs
0.9 1.5
ms
1
µs
120
ns
Figure 1. CAT3604V Timing Characteristics
LED Current Setting
The nominal LED current is set by the
external resistor connected between the
RSET pin and ground. Table 1 lists
standard resistor values for several LED
current settings.
LED current (mA)
2
5
10
15
20
25
30
RSET (kΩ)
40.0
15.8
7.87
5.23
4.02
3.16
2.67
Table 1. Resistor RSET and LED current
© Catalyst Semiconductor, Inc.
3
Characteristics subject to change without notice
Doc. No. MD-5029 Rev. B