LM50C National Semiconductor, LM50C Datasheet - Page 3

• Manufacturer Part Number: LM50C
• Description: (LM50B / LM50C) SOT-23 Single-Supply Centigrade Temperature Sensor
• Manufacturer: National Semiconductor

Typical Performance Characteristics
To generate these curves the LM50 was mounted to a printed circuit board as shown in Figure 2
Thermal Resistance
Junction to Air
Thermal Response
in Stirred Oil Bath
with Heat Sink
Quiescent Current vs
Temperature (Figure 1)
Supply Voltage
vs Supply Current
Thermal Time Constant
Start-Up Voltage
vs Temperature
Accuracy vs Temperature
Start-Up Response
3
TL H 12030– 18
FIGURE 2 Printed Circuit Board Used
for Heat Sink to Generate All Curves
Square Printed Circuit Board
with 2 oz Foil or Similar
Thermal Response in Still Air
with Heat Sink ( Figure 2 )
Thermal Response in Still
Air without a Heat Sink
Noise Voltage
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TL H 12030– 19
www national com