NCV8501D80 ON Semiconductor, NCV8501D80 Datasheet - Page 13

• Manufacturer Part Number: NCV8501D80
• Description: IC REG LDO 150MA 8.0V 8-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCV8501D80

• Regulator Topology: Positive Fixed
• Voltage - Output: 8V
• Voltage - Input: Up to 45V
• Voltage - Dropout (typical): 0.4V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 151mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

package to improve the flow of heat away from the IC and
into the surrounding air.
outside environment will have a thermal resistance. Like
series electrical resistances, these resistances are summed to
determine the value of R
A heatsink effectively increases the surface area of the
Each material in the heat flow path between the IC and the
R qJA + R qJC ) R qCS ) R qSA
HEATSINKS
qJA
:
http://onsemi.com
(eq. 3)
13
where:
R
functions of the package type, heatsink and the interface
between them. These values appear in heatsink data sheets
of heatsink manufacturers.
qJA
R
R
R
R
qJC
qCS
qSA
qJC
, it too is a function of package type. R
= the junction−to−case thermal resistance,
appears in the package section of the data sheet. Like
= the case−to−heatsink thermal resistance, and
= the heatsink−to−ambient thermal resistance.
qCS
and R
qSA
are