LMC555
Absolute Maximum Ratings
(Notes 2, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V
+
Thermal Resistance (θ
JA
SO, 8-Pin Small
Outline
MSOP, 8-Pin
Mini Small
Outline
MDIP, 8-Pin
Molded Dip
8-Bump micro
SMD
Maximum
Allowable Power
Dissipation
@
25˚C
MDIP-8
SO-8
MSOP-8
8 Bump micro
SMD
1126 mW
740 mW
555 mW
568 mW
169˚C/W
15V
−0.3V to V
S
+ 0.3V
15V
100 mA
−65˚C to +150˚C
260˚C
215˚C
220˚C
Input Voltages, V
TRIG
, V
RES
, V
CTRL
,
V
THRESH
Output Voltages, V
O
, V
DIS
Output Current I
O
, I
DIS
Storage Temperature Range
Soldering Information
MDIP Soldering (10 seconds)
SOIC, MSOP Vapor Phase (60 sec)
SOIC, MSOP Infrared (15 sec)
225˚C/W
111˚C/W
220˚C/W
Note:
See AN-450 “Surface Mounting Methods and Their Effect on Product
Reliability” for other methods of soldering surface mount devices.
Operating Ratings
(Notes 2, 3)
Termperature
Range
−40˚C to +85˚C
Electrical Characteristics
(Notes 1, 2)
Test Circuit, T = 25˚C, all switches open, RESET to V
S
unless otherwise noted
Symbol
I
S
Parameter
Supply Current
V
S
= 1.5V
V
S
= 5V
V
S
= 12V
V
S
= 1.5V
V
S
= 5V
V
S
= 12V
0.8
2.9
7.4
Conditions
Min
Typ
50
100
150
1.0
3.3
8.0
75
150
0.2
0.3
1.0
1.0
4.4
10.5
0.4
3.7
0.4
0.4
1.25
4.7
11.3
0.5
4.0
10
0.7
0.75
10
10
1.0
0.9
1.0
1.0
1.1
1.1
1.1
0.3
100
1.25
1.20
1.25
1.0
1.1
0.6
4.3
Max
150
250
400
1.2
3.8
8.6
150
300
0.4
0.6
2.0
Units
(Limits)
µA
V
CTRL
Control Voltage
V
V
DIS
V
OL
Discharge Saturation Voltage V
S
= 1.5V, I
DIS
= 1 mA
V
S
= 5V, I
DIS
= 10 mA
Output Voltage (Low)
V
S
= 1.5V, I
O
= 1 mA
V
S
= 5V, I
O
= 8 mA
V
S
= 12V, I
O
= 50 mA
V
S
= 1.5V, I
O
= −0.25 mA
V
S
= 5V, I
O
= −2 mA
V
S
= 12V, I
O
= −10 mA
V
S
= 1.5V
V
S
= 12V
V
S
= 5V
V
S
= 1.5V (Note 4)
V
S
= 12V
V
S
= 5V
V
S
= 5V
V
S
= 12V
SW 2, 4 Closed
V
S
= 1.5V
V
S
= 5V
V
S
= 12V
V
S
= 5V
±
1V
mV
V
V
OH
Output Voltage
(High)
Trigger Voltage
Trigger Current
Reset Voltage
Reset Current
Threshold Current
Discharge Leakage
Timing Accuracy
V
V
TRIG
I
TRIG
V
RES
I
RES
I
THRESH
I
DIS
t
V
pA
V
pA
pA
nA
ms
∆t/∆V
S
Timing Shift with Supply
%/V
3
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