LM78M05CDT National Semiconductor, LM78M05CDT Datasheet

IC, LINEAR VOLTAGE REGULATOR 5V TO-252-3

LM78M05CDT

Manufacturer Part Number
LM78M05CDT
Description
IC, LINEAR VOLTAGE REGULATOR 5V TO-252-3
Manufacturer
National Semiconductor
Datasheet

Specifications of LM78M05CDT

Primary Input Voltage
10V
Output Voltage Fixed
5V
No. Of Outputs
1
No. Of Pins
3
Output Current
500mA
Operating Temperature Range
-40°C To +125°C
Termination Type
SMD
Filter Terminals
SMD
Rohs Compliant
No
Current Rating
0.5A
Dc
03+
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2005 National Semiconductor Corporation
LM341/LM78MXX Series
3-Terminal Positive Voltage Regulators
General Description
The LM341 and LM78MXX series of three-terminal positive
voltage regulators employ built-in current limiting, thermal
shutdown, and safe-operating area protection which makes
them virtually immune to damage from output overloads.
With adequate heatsinking, they can deliver in excess of
0.5A output current. Typical applications would include local
(on-card) regulators which can eliminate the noise and de-
graded performance associated with single-point regulation.
Connection Diagrams
Order Number LM341T-5.0, LM341T-12, LM341T-15, LM78M05CT, LM78M12CT or LM78M15CT
Order Number LM78M05CH, LM78M12CH or LM78M15CH
DS010484
See NS Package Number TD03B
See NS Package Number H03A
See NS Package Number T03B
TO-39 Metal Can Package (H)
Order Number LM78M05CDT
TO-220 Power Package (T)
Bottom View
Top View
Top View
TO-252
Features
n Output current in excess of 0.5A
n No external components
n Internal thermal overload protection
n Internal short circuit current-limiting
n Output transistor safe-area compensation
n Available in TO-220, TO-39, and TO-252 D-PAK
n Output voltages of 5V, 12V, and 15V
packages
01048419
01048406
01048405
www.national.com
August 2005

Related parts for LM78M05CDT

LM78M05CDT Summary of contents

Page 1

... Output voltages of 5V, 12V, and 15V TO-39 Metal Can Package (H) 01048405 Bottom View See NS Package Number H03A TO-220 Power Package (T) 01048406 Top View See NS Package Number T03B TO-252 01048419 Top View Order Number LM78M05CDT See NS Package Number TD03B DS010484 August 2005 www.national.com ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Lead Temperature (Soldering, 10 seconds) TO-39 Package (H) TO-220 Package (T) Storage Temperature Range Electrical Characteristics Limits in standard typeface are for T range. Limits are guaranteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods ...

Page 3

Electrical Characteristics Limits in standard typeface are for T J range. Limits are guaranteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. (Continued) LM341-12, LM78M12C Unless otherwise specified 19V Symbol Parameter ...

Page 4

Schematic Diagram www.national.com 4 01048401 ...

Page 5

Typical Performance Characteristics Peak Output Current Ripple Rejection Output Voltage (Normalized 25˚C) J 01048410 01048412 01048414 5 Ripple Rejection 01048411 Dropout Voltage 01048413 Quiescent Current 01048415 www.national.com ...

Page 6

Typical Performance Characteristics Quiescent Current Line Transient Response Design Considerations The LM78MXX/LM341XX fixed voltage regulator series has built-in thermal overload protection which prevents the de- vice from being damaged due to excessive junction tem- perature. The regulators also contain internal ...

Page 7

Application Information FIGURE 1. Cross-sectional view of Integrated Circuit Mounted on a printed circuit board. Note that the case temperature is measured at the point where the leads contact with the mounting pad surface The next parameter which must be ...

Page 8

Application Information TABLE 1. θ Different Heatsink Area JA Layout *Tab of device attached to topside copper www.national.com (Continued) Copper Area 2 Top Sice ...

Page 9

Application Information FIGURE 3. θ vs. 2oz Copper Area for TO-252 JA FIGURE 4. Maximum Allowable Power Dissipation vs. Ambient Temperature for TO-252 (Continued) 01048420 FIGURE 5. Maximum Allowable Power Dissipation vs. Typical Application *Required if regulator input is more ...

Page 10

Physical Dimensions Order Number LM78M05CH, LM78M12CH or LM78M15CH Order Number LM341T-5.0, LM341T-12, LM341T-15, LM78M05CT, LM78M12CT or LM78M15CT www.national.com inches (millimeters) unless otherwise noted TO-39 Metal Can Package (H) NS Package Number H03A TO-220 Power Package (T) NS Package Number T03B ...

Page 11

... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 TO-252 Order Number LM78M05CDT NS Package Number TD03B 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...

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