CAT4134HV2-T2 Datasheet, PDF (3/13 Pages) ON Semiconductor – 500mA Dual Channel Movie/Flash LED Driver

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
V_RSET
V_RFLASH
V_LED
RSET pin voltage
RFLASH pin voltage
LED1, LED2 Pin Voltage
(whichever is the lower)
22kΩ < R_SET < 200kΩ
22kΩ < R_FLASH < 200kΩ
Both Flash and Movie Mode
(lower voltage pin is regulated)
I_LED Programmed LED Current
I_LED-RAN
LED Current Adjust Range
per LED output
R_SET = 21.6kΩ
R_FLASH = 43.2kΩ
R_FLASH = 21.6kΩ
In Movie mode
In Flash mode
I_LED-ACC LED Current Accuracy
I_LED-DEV LED Current Matching
Min
1.10
1.10
5
25
FLASH CONTROL LOGIC INPUT
V_FHI
V_FLO
I_INPUT
Logic High Threshold
Logic Low Threshold
Input Bias current
FLASH > V_FHI Flash Enabled
0.4
FLASH = 3V
Typ
1.20
1.20
400
20
50
100
±5
±5
0.7
0.7
10
Max
1.30
1.30
50
200
1.5
40
Unit
V
V
mV
mA
mA
%
%
V
µA
© 2008 SCILLC. All rights reserved.
3
Characteristics subject to change without notice.
Doc. No. MD-5021 Rev. C