Datasheet

4
MSL2021 [DATASHEET]
42062A–LED–02/2013
5. Electrical Characteristics
AVIN = PVIN = 12V, -40°C T
A
 105°C, Typical Operating Circuit, unless otherwise noted.
Typical values at T
A
= +25°C.
Table 5-1. DC electrical characteristics
Parameter Conditions Min. Typ. Max. Unit
AVIN, PVIN Operating Supply Voltage 9.5 12 15 V
AVIN Operating Supply Current
LEDs on at PWM = 100%,
serial interface idle
10 mA
AVIN Idle Supply Current
EN = SLEEP = 1,
all digital inputs = 0
7 10 mA
PVIN Idle Supply Current
EN = SLEEP = 1,
all digital inputs = 0
0 A
AVIN Disable Supply Current
V
EN
= 0,
all digital inputs = 0
5 A
VCC Regulation Voltage
I
VCC
= 10mA peak
(7)
4.5 5 5.5 V
VDD Regulation Voltage
I
VDD
= 10mA peak
(7)
2.25 2.5 2.75 V
PWM, PWM1, PWM2, SCL, SDA Input
High Voltage
0.7V
VDD
V
PWM, PWM1, PWM2, SCL, SDA Input
Low Voltage
0.3V
VDD
V
EN Input High Voltage 2 V
EN Input Low Voltage 0.5 V
EN Input Hysteresis 100 mV
SDA, FLTB Output Low Voltage
Sinking 6mA
0.3 V
SCL, SDA, PWM, PWM1, PWM2, FLTB
leakage current
-5 5 A
S Current Sense Regulation Voltage
T
A
= 25C, MREF = 0x64
194 200 206 mV
S Current Sense Regulation Voltage
Accuracy
Main string at 100% duty
cycle,
T
A
= 25C, MREF = 0x64
-3 +3 %
S Current Sense Regulation Voltage
Temperature Coefficient
-220 ppm/ºC
G Maximum Output Voltage AVIN – 3.5 9.5 AVIN – 2.0 V
D Regulation Threshold
EOCTRL = 0xE5
0.9 1 1.1 V
CS Current Sense Regulation Voltage
CAREF = 0x64
200 mV
DRV Impedance
V
DRV
= 12V, I
DRV
= 20mA
5.6 9 
V
DRV
= 0V, I
DRV
= -20mA
5.6 9 
FBO Full Scale Current 170 255 340 µA