CAT3612_08 Datasheet, PDF (3/14 Pages) Catalyst Semiconductor – Programmable 300mA Camera Flash LED Driver

CAT3612
RECOMENDED EN/DIM TIMING
For 3V ≤ VIN ≤ 5.5V, over full ambient temperature range -40°C to +85°C.
Symbol Parameter
T_SETP
T_LO
T_HI
T_OFF
T_D
T_DEC
EN/DIM setup from shutdown
EN/DIM program low time
EN/DIM program high time
EN/DIM low time to shutdown
LED current enable
LED current decrement
Conditions
Min Typ Max Unit
10
µs
0.3
200
µs
0.3
µs
1.5
ms
40
µs
0.1
µs
Figure 1. LED Dimming Timing Diagram
© Catalyst Semiconductor, Inc.
3
Characteristics subject to change without notice
Doc. No. MD-5016 Rev. B