Datasheet

8 Atmel LED Driver-MSL3082
PARAMETER CONDITIONS AND NOTES MIN TYP MAX UNIT
Input quiescent current EN 1 20 μA
SDA, FLTB output low voltage Sinking 6mA 0.4 V
S0 thru S7 regulation resolution 1
% of
Full
Scale
Open circuit detect voltage 7.3 8.3 9.0 V
Short circuit detect voltage 6.5 7.8 9.0 V
D0 thru D7 leakage current
Voltage under 9V 0.1
μA
Voltage between 9V to 16V 15
G0 thru G7 maximum gate drive voltage 10 V
G0 thru G7 gate drive current -20 20 mA
Current sense regulation voltage
ISTRx = 0x3F 488 500 508 mV
ISTRx = 0x1F 235 250 255 mV
G0 thru G7 output current slew rate
Current rising (Note 7, Note 8) 10
mA/µs
Current falling (Note 7, Note 8) 10
Thermal cutoff temperature 135 °C
FBI to FBO current transfer error Up to FBO maximum output current ±2 %
FBO current step size 3 μA
FBO feedback output current maximum V
FBO
_= 0 to 1.8V 35 45 55 μA
PARAMETER CONDITIONS AND NOTES MIN TYP MAX UNIT
AC ELECTRICAL CHARACTERISTICS
OSC initial accuracy f
OSC
OSCCTRL = 0x04 (f
OSC
=20MHz); T
A
=25°C 18 20 22 MHz
PHI frequency f
PHI
(Note 7) 40 10000 Hz
GSC frequency f
GSC
(Note 7) 5 MHz
PWM frequency f
PWM
PWMDIRECT = PWMEN = 1 20 50000 Hz
PWM duty cycle PWMDIRECT = PWMEN = 1 0 100 %
PHI DLL Lock Cycles 4
PHI
Cycles
PARAMETER CONDITIONS AND NOTES MIN TYP MAX UNIT
I²C SWITCHING CHARACTERISTICS
SCL clock frequency 1/t
SCL
Bus timeout disabled (Note 1) 0 1000 kHz
Bus timeout period t
TIMEOUT
OSCCTRL = 0x04 (f
OSC
=20MHz); T
A
=25°C 27 30 33 ms
STOP to START condition bus free time t
BUF
0.5 µs
Repeated START condition hold time t
HD:STA
0.26 µs
Repeated START condition set-up time t
SU:STA
0.26 µs
STOP condition set-up time t
SU:STOP
0.26 µs
SDA data hold time t
HD:DAT
15 ns