LM334SM National Semiconductor, LM334SM Datasheet - Page 3

• Manufacturer Part Number: LM334SM
• Description: IC, ADJ CURRENT SOURCE, 40V, 10mA, 8-SOIC
• Manufacturer: National Semiconductor

Specifications of LM334SM

• Forward Current If: 10mA
• Forward Voltage: 40V
• Power Dissipation Pd: 400mW
• Current Regulator Case Style: SOIC
• No. Of Pins: 8
• Supply Voltage Range: 1V To 40V
• Sensor Case Style: SOIC
• Accuracy %: 3%
• Current Rating: 1 To 10A
• Filter Terminals: SMD
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Set Current Error, V
(Note 3)
Equivalent Temperature Error
Ratio of Set Current to
Bias Current
Minimum Operating Voltage
Average Change in Set Current
with Input Voltage
Temperature Dependence of
Set Current (Note 4) and
Equivalent Slope Error
Effective Shunt Capacitance
Electrical Characteristics
Note 4: I
(˚K).
Note 5: For elevated temperature operation, T
Note 6: Human body model, 100pF discharged through a 1.5kΩ resistor.
Electrical Characteristics
SET
Parameter
is directly proportional to absolute temperature (˚K). I
+
=2.5V,
θ
Ambient)
θ
Thermal Resistance
ja
jc
(Junction to
(Junction to Case)
100µA ≤ I
T
100µA ≤ I
100µA I
100µA ≤ I
1.5 ≤ V
5V ≤ V
100µA ≤ I
J
J
= 25˚
max is:
Conditions
+
+
(Note 2) (Continued)
SET
(Note 2)
≤ 30V
≤ 5V
SET
SET
SET
SET
≤ 1mA
≤ 1mA
≤ 1mA
≤ 1mA
≤ 1mA
SET
LM134
LM234
LM334
180˚C/W (0.4" leads)
at any temperature can be calculated from: I
160˚C/W (0.125"
0.98T
Min
TO-92
leads)
14
N/A
3
LM234-3
0.02
0.01
Typ
0.9
18
15
T
150˚C
125˚C
100˚C
440˚C/W
32˚C/W
TO-46
1.02T
Max
0.05
0.03
±
±
±
26
1
3
2
165˚C/W
80˚C/W
SET
0.97T
SO-8
Min
14
= I
o
(T/T
LM234-6
o
) where I
0.02
0.01
Typ
0.9
18
15
T
o
is I
1.03T
SET
Max
0.01
0.05
±
±
26
±
2
6
3
measured at T
www.national.com
Units
%/V
%/V
pF
˚C
%
%
V
o