ELECTRICAL CHARACTERISTICS
Table 3. Electrical Characteristics (continued)
Characteristics noted under conditions VIN = 12 V, VOUT = 42 V, ILED = 50 mA, PWM = VDC1, M/~S = VDC1,
PIN & NIN = VDC1, -40°C ≤ TA ≤ 105°C, PGND = 0 V, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
NIN INPUT
Voltage to Disable NIN mode
VNIN_DIS
ININ
2.2
-
-
-
V
NIN Bias Current
NIN = VSET
-2.0
2.0
μA
Analog Dimming Current
ICHx Register = 255, RISET=5.1 kΩ 0.1%
NIN = VSET/2
IDIM_NIN
23.75
47.50
25
50
26.25
52.50
mA
°C
NIN = 0 V
OVER-TEMPERATURE PROTECTION
Over-temperature Threshold(9)
OTT
Rising
150
-
165
25
175
-
Hysteresis
I2C/SM BUS PHYSICAL LAYER [SCK, SDA]
I2C Address
ADRI2C
ADRSMB
VILI
-
-
1110110
-
-
Binary
SM-Bus Address
1110110
Binary
Input Low Voltage
-0.3
2.1
0.3
-
-
-
-
-
0.8
5.5
-
V
V
V
V
Input High Voltage
VIHI
Input Hysteresis
VHYSI
VOLI
Output Low Voltage
0.4
Sink Current < 4.0 mA
Input Current
IINI
-5.0
-
-
-
5.0
10
μA
ρF
Input Capacitance(9)
CINI
LOGIC INPUTS / OUTPUTS (CK, M/~S, PWM, A0/SEN)
Input Low Voltage
VILL
VIHL
VHYSL
IIIL
-0.3
1.5
-
-
0.5
5.5
-
V
V
Input High Voltage
-
0.1
-
Input Hysteresis
V
Input Current
-5.0
-
5.0
0.2
μA
V
Output Low Voltage (CK)
ISINK < 2.0 mA
VOLL
-
Output High Voltage (CK)
ISOURCE < 2.0 mA
VOHL
2.2
-
-
-
5.5
5.0
V
Input Capacitance(9)
CINI
ρF
Notes
9. Guaranteed by design
34844
Analog Integrated Circuit Device Data
Freescale Semiconductor
8