Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions 9.0 V ≤ VPWR ≤ 18 V, -40°C ≤ TA ≤ 85°C unless otherwise noted. Typical values noted
reflect the approximate parameter means at TA = 25°C under normal conditions unless otherwise noted. Voltages are relative
to GND unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
Lamp Driver
On Resistance
IIN = 400 mA
Current Limit
VOUT = 1.0 V
On-Voltage
IOUT = 400 mA
Breakdown Voltage
IOUT = 100 µA, Lamp Off
RLDDSON
–
ILDLIM
0.7
VLDON
–
VLDZ
40
Ω
1.75
3.5
A
–
1.7
V
–
1.4
V
–
–
Voltage Monitors
LAMP_MON to LAMP_SENSE Ratio
PWR_MON to VPWR Ratio
VDD_MON to VDD Ratio
Supply
Quiescent supply current (11)
VPWR = 14 V(10)
LMPMON
PWRMON
VDD_MON
0.1950
0.2200
0.45
Ipwr
_
0.20524
0.2155
V/ V
0.2444
0.2688
V/ V
0.5
0.55
V/ V
7.0
_
mA
Notes
10. Verified by design and characterization. Not tested in production.
11. No external devices connected to internal voltage regulators.
Sensors
Freescale Semiconductor
MC33794
9