CAT4134
ELECTRICAL OPERATING CHARACTERISTICS (continued)
Over recommended operating conditions unless specified otherwise.
VIN = 3.6V, EN = VIN and at ambient temperature of 25ºC.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
VRSET
RSET pin voltage
1.10
1.20
1.30
V
22kΩ < RSET < 200kΩ
VRFLASH RFLASH pin voltage
1.10
1.20
400
1.30
V
22kΩ < RFLASH < 200kΩ
VLED
LED1, LED2 Pin Voltage
(whichever is the lower)
Both Flash and Movie Mode
(lower voltage pin is regulated)
mV
20
50
100
RSET = 21.6kΩ
ILED
Programmed LED Current
mA
mA
R
FLASH = 43.2kΩ
RFLASH = 21.6kΩ
In Movie mode
In Flash mode
ILED-RAN LED Current Adjust Range
per LED output
5
25
50
200
ILED-ACC LED Current Accuracy
ILED-DEV LED Current Matching
%
%
±5
±5
FLASH CONTROL LOGIC INPUT
VFHI
VFLO
Logic High Threshold
Logic Low Threshold
FLASH > VFHI Flash Enabled
FLASH = 3V
0.7
0.7
1.5
40
V
0.4
IINPUT
Input Bias current
10
µA
© 2006 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice.
3
Doc. No. 5021 Rev. A
CATALYST [ CATALYST SEMICONDUCTOR ]
