MLX10803 Datasheet, PDF (10/25 Pages) List of Unclassifed Manufacturers – High power LED driver

IC specification MLX10803
High power LED driver
ROSC related parameters³
Output voltage
vrosc
vs=13.8V
1
1.5
V
Resistance on pin to GND Roscmin
for 0.5MHz
440
kΩ
Resistance on pin to GND Roscmid
for 1MHz
220
kΩ
Resistance on pin to GND Roscmax
for 5MHz
40
kΩ
Resistance on pin to GND Roscext
for extended min
1200
kΩ
oscillator frequency
foscext
Monoflop related parameters
Minimum OFF time due to toffmin1mhz
Oscillator is set to
9
µs
the implemented jitter
1 MHz, in case the
oscillator is put to
an other
frequency,
toffmin1mhz
scales accordingly
Maximum OFF time due toffmax1mhz Oscillator is set to
16
µs
to the implemented jitter
1 MHz, in case the
osc is put to an
other frequency,
toffmax1mhz
scales accordingly
Average monoflop time ton1mhz
Oscillator is set to
60.5
µs
for ON state of transistor
1 MHz
1 _{Circuit operation with external resistor Rosc > 1200kΩ is not recommended}
2 _{Guaranteed by design}
3 _{Value for the resistor Rosc to be connected to ROSC pin is derived from the needed monoflop time Tmon}
according to the following expression: Rosc[kΩ] = 222.2 ⋅ (^Tmon[µs] − 0.02)
12.5
3901010803
Rev 025
Page 10/25
Data Sheet
2/OCT/07