Sensors
4
Freescale Semiconductor
MC145012
Table 2. Electrical Characteristics
(Voltages Referenced to VSS, TA = - 10 to 60°C Unless Otherwise Indicated).
Characteristic
Symbol
Test Condition
VDD
V
Min
Max
Unit
Power Supply Voltage Range
VDD
—6.0
12
V
Supply Threshold Voltage, Low-Supply Alarm
VTH
Low-Supply Trip: Vin = VDD/3
—
6.5
7.8
V
Average Operating Supply Current (per Package)
(Does Not Include Current through D3-IR Emitter)
IDD
Standby
12.0
—
8.0
A
Peak Supply Current (per Package)
(Does Not Include IRED Current into Base of Q1)
IDD
During Strobe On, IRED Off
12.0
—
2.0
mA
During Strobe On, IRED On
12.0
—
3.0
Low-Level Input Voltage
I/O
Feedback
Test
VIL
9.0
—
1.5
2.7
7.0
V
High-Level Input Voltage
I/O
Feedback
Test
VIH
9.0
3.2
6.3
8.5
—
V
Input Current
OSC, Detect
Low-Supply Trip
Feedback
IIN
Vin = VSS or VDD
12.0
—
± 100
nA
Low-Level Input Current
Test
IIL
Vin = VSS
12.0
- 100
- 1.0
A
Pull-Down Current
Test
I/O
IIH
Vin = VDD
No Local Smoke, Vin = VDD
No Local Smoke, Vin = 17 V
9.0
12.0
0.5
25
—
10
100
140
A
Low-Level Output Voltage
LED
Silver, Brass
VOL
Iout = 10 mA
Iout = 16 mA
6.5
—
0.6
1.0
V
High-Level Output Voltage
Silver, Brass
VOH
Iout = - 16 mA
6.5
5.5
—
V
Output Voltage
Strobe
(For Line Regulation, See
Pin Descriptions)
IRED
VOUT
Inactive, Iout =1 A
Active, Iout = 100 A to 500 A
(Load Regulation)
—
9.0
VDD - 0.1
VDD - 4.40
—
VDD - 5.30
V
Inactive, Iout = 1 A
Active, Iout = 6 mA
(Load Regulation)
—
9.0
—
0.1
High-Level Output Current
I/O
IOH
Local Smoke, Vout = 4.5 V
6.5
-4.0
—
mA
Local Smoke, Vout =VSS
(Short Circuit Current)
12.0
—
-16
Off-State Output Leakage Current
LED
IOZ
Vout =VSS or VDD
12.0
—
±1.0
A
Common Mode
C1, C2, Detect
Voltage Range
VIC
Local Smoke, Push-button Test,
or Chamber Sensitivity Test
—VDD - 4.0
VDD - 2.0
V
Smoke Comparator
Internal
Reference Voltage
VREF
Local Smoke, Push-button Test,
or Chamber Sensitivity Test
—VDD - 3.08
VDD - 3.92
V
Notes
5. TA = 25°C only.