Datasheet
11Atmel LED Drivers-MSL1061/MSL1064
Electrical Characteristics
(Circuit of Figure 6, V
VIN
= 12V, default register settings of Table 7, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C) (Note 1)
PARAMETER CONDITIONS AND NOTES MIN TYP MAX UNIT
DC ELECTRICAL CHARACTERISTICS
VIN operating supply voltage
V
VIN
= V
VCC
4.75 6.5 V
VCC unconnected 6.5 36 V
VIN quiescent supply current V
EN
= 3V, V
PWM
= 0V
V
VIN
= 12V 4 14 mA
V
VIN
= 6V, V
VCC
= 6V 4 14 mA
VIN shutdown supply current V
EN
= V
PWM
= 0V 1 4 10 µA
VCC output voltage 5.6 6 6.3 V
VCC line regulation 6.5V < V
VIN
< 36V 1 2 5 mV
VCC dropout voltage V
VIN
= 6V, I
VCC
= 5mA, V
PWM
= 0V 100 300 550 mV
VCC short-circuit current V
VCC
= 0V 30 80 150 mA
VCC UVLO threshold V
VCC
rising, hysteresis = 150mV 4.1 4.3 4.5 V
VDD output voltage I
VDD
= 1mA 2.7 2.9 3.1 V
VDD short-circuit current V
VDD
= 0V 10 35 60 mA
VDD UVLO threshold V
VDD
rising, hysteresis = 80mV 2.4 2.5 2.6 V
Thermal shutdown threshold (rising) 135 °C
Thermal shutdown hysteresis 10 °C
PARAMETER CONDITIONS AND NOTES MIN TYP MAX UNIT
DC ELECTRICAL CHARACTERISTICS - LED CURRENT CONTROL STR0 TO STR5
ILED regulation voltage R5 = 100kΩ 1.195 1.22 1.245 V
STR0 to STR5 full scale sink current V
STRn
= 1V, R5 = 100kΩ, V
IADJ
= V
PWM
= 3V 19.7 20 20.3 mA
STR0 to STR5 maximum sink current
V
STRn
= 1V, R5 = 60kΩ, V
IADJ
= V
PWM
= 3V
(Note 10)
30 mA
STR0 to STR5 current matching V
STRn
= 1V, R5 = 100kΩ, V
PWM
= 3V (Note 11) 1.5 %
STR0 to STR5 leakage current
V
EN
= 0V, V
STRn
= 40V 0.1 1 µA
V
EN
= 3V, V
STRn
= 40V, V
PWM
= 3V 0.1 1 µA
STR0 to STR5 short circuit detection threshold 4 4.4 4.8 V
STR0 to STR5 open circuit detection threshold 0.1 V
PARAMETER CONDITIONS AND NOTES MIN TYP MAX UNIT
DC ELECTRICAL CHARACTERISTICS - LOGIC I/OS
EN logic high input voltage 2.3 V
EN logic low input voltage 0.8 V
EN logic input current V
EN
= 3V 20 µA
Atmel LED Drivers-MSL1061/MSL1064
6-string PWM LED Driver with Digitally Compensated, 1.1MHz,
48V Boost Regulator, ±1.5% Current Balance, I
2
C Interface