cat3604v Catalyst Semiconductor, cat3604v Datasheet - Page 3

• Manufacturer Part Number: cat3604v
• Description: 4-channel Quad-mode? Led Driver With Open/short Led Detection
• Manufacturer: Catalyst Semiconductor

A.C. CHARACTERISTICS
For 2.5V ≤ VIN ≤ 5.5V, over full ambient temperature range -40 to +85°C.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Symbol
T
T
T
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.
PWRDWN
LED-OFF
T
LED-ON
T
LED
MD
Name
LED current settling time from
shutdown mode
Mode transition time
Device power down delay
LED on settling time
LED off settling time
Figure 1. CAT3604V Timing Characteristics
Conditions
1x mode, V
1.33x mode, V
3
Table 1. Resistor RSET and LED current
IN
= 4V
IN
LED current (mA)
= 3.5V
10
15
20
25
30
2
5
Min
Typ
400
500
120
0.9
40
1
RSET (kΩ)
1.5
Doc. No. MD-5029 Rev. B
40.0
15.8
7.87
5.23
4.02
3.16
2.67
Max
CAT3604V
Units
ms
μs
µs
µs
ns