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LM7805 Datasheet(PDF) 1 Page - Texas Instruments

Part No. LM7805
Description  1.5-A Fixed Voltage Regulators
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM7805 Datasheet(HTML) 1 Page - Texas Instruments

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Pin 1. Input
2. Ground
3. Output
Tab/Case is Ground or Output
1
1
1
1
TO-3
SOT-223
TO-220
TO-263
2
2
3
2 3
2
3
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
LM340, LM340A, LM7805, LM7812, LM7815
SNOSBT0K – FEBRUARY 2000 – REVISED JULY 2016
LM340, LM340A and LM78xx Wide VIN 1.5-A Fixed Voltage Regulators
1
1 Features
1
Output Current up to 1.5 A
Available in Fixed 5-V, 12-V, and 15-V Options
Output Voltage Tolerances of ±2% at TJ = 25°C
(LM340A)
Line Regulation of 0.01% / V of at 1-A Load
(LM340A)
Load Regulation of 0.3% / A (LM340A)
Internal Thermal Overload, Short-Circuit and SOA
Protection
Available in Space-Saving SOT-223 Package
Output Capacitance Not Required for Stability
2 Applications
Industrial Power Supplies
SMPS Post Regulation
HVAC Systems
White Goods
SPACE
Available Packages
3 Description
The
LM340
and
LM78xx
monolithic
3-terminal
positive voltage regulators employ internal current-
limiting,
thermal
shutdown
and
safe-area
compensation, making them essentially indestructible.
If adequate heat sinking is provided, they can deliver
over 1.5-A output current. They are intended as fixed
voltage regulators in a wide range of applications
including local (on-card) regulation for elimination of
noise and distribution problems associated with
single-point regulation. In addition to use as fixed
voltage regulators, these devices can be used with
external components to obtain adjustable output
voltages and currents.
Considerable effort was expended to make the entire
series of regulators easy to use and minimize the
number of external components. It is not necessary to
bypass the output, although this does improve
transient response. Input bypassing is needed only if
the regulator is located far from the filter capacitor of
the power supply.
LM7805 is also available in a higher accuracy and
better
performance
version
(LM340A).
Refer
to
LM340A specifications in the LM340A Electrical
Characterisitcs table.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM340x
LM78xx
DDPAK/TO-263 (3)
10.18 mm × 8.41 mm
SOT-23 (4)
6.50 mm × 3.50 mm
TO-220 (3)
14.986 mm × 10.16 mm
TO-3 (2)
38.94 mm x 25.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Fixed Output Voltage Regulator
*Required if the regulator is located far from
the power supply filter.
**Although no output capacitor is needed
for stability, it does help transient response.
(If needed, use 0.1-μF, ceramic disc).


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