LM903 NSC [National Semiconductor], LM903 Datasheet - Page 2

• Manufacturer Part Number: LM903
• Description: Fluid Level Detector
• Manufacturer: NSC [National Semiconductor]

Symbol
V
I
V
V
V
R
V
V
I
I
R
I
V
V
V
V
I
I
f
I
V
S
7
7
12
1
15
9
9
CC
REG
6
REF
7
7
12
1
5
5
9
REF
7
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage V
Control Input Voltage (Pin 7)
Transient Voltage (Pins 6 7 9) 10 ms (Note 1)
Output Current (Pin 4) I
Electrical Characteristics
V
–V
CC
3
e
Supply Voltage
Supply Current
Regulated Voltage
Regulation
Temperature Drift
Probe Current
Reference Voltage
Measurement Reference Voltage
Reference Input Resistor
Start Input Logic High Level
Start Input Logic Low Level
High Input Current
Latch Holding Current
Resistance Pin 7
Ramp Current
Charging
Discharging
Ramp Threshold
Probe Current Start
First Measurement
Second Measurement
Probe Input Voltage Range
Probe Open-Circuit Threshold
Probe Short-Circuit Threshold
Pin 1 Input Leakage Current
Pin 15 Leakage Current
Pin 15 Charging Current
Lamp Oscillation Frequency
Lamp Driver Current
Lamp Driver Saturation
12V C
T
e
CC
Parameter
33 F R
4
(Sink)
T
e
7 5 k
T
V
Latch Off
Latch On
Latch On
See Timing Diagram
V
V
V
V
See Timing Diagram
V
At Pin 5
Pin 1
V
V
C
Flashing Mode
I
9
A
CC
12
12
12
12
CC
15
15
L
e
within operating range except where stated otherwise
e
e
e
e
e
e
e
Conditions
e
e
200 mA
e
3 3 F
0V–1V
1V–4V
4 1V
0 5V
2V V
4V V
7 2V–18V
7 5V–18V
300 mV
10 mA
7
7
18V
18V
70V
e
e
12V
12V
2
Tested Limits
b
b
b
b
Min
790
600
570
910
910
Operating Temperature Range
Storage Temperature
Maximum Junction Temperature
Lead Temperature (Soldering 10 sec )
7 0
5 5
2 0
53
60
700
650
3 5
3 5
(Note 2)
b
b
a
1100
1200
1240
Max
2 35
105
900
850
200
6 2
3 5
18
50
93
450
400
3 5
V
REG
b
b
1 95
Min
780
590
550
890
890
7 0
5 3
1 6
0 5
50
710
660
1
b
0 85 V
Design Limits
(Note 3)
REG
1055
1080
Typ
2 20
500
850
710
5 8
1 2
2 5
0 6
1 5
13
22
b
0 6
b
b
V
55 C to
REG
40 C to
b
b
1100
1220
1270
a
Max
2 40
0 85
910
100
870
600
250
6 3
1 0
2 5
18
50
96
440
390
5 0
b
1 0
a
a
a
150 C
150 C
260 C
85 C
Units
mA
mV
V C
mV
mV
mV
mV
mA
mA
k
nA
nA
k
nA
Hz
V
V
V
V
V
V
V
V
A
A
A
A
A
A