LM340S-5.0/NOPB National Semiconductor, LM340S-5.0/NOPB Datasheet

LM340S-5.0/NOPB

Manufacturer Part Number

LM340S-5.0/NOPB

Description

IC REGULATOR POSITIVE 5V TO-263

Manufacturer

National Semiconductor

Type

Voltage Regulatorr

Datasheets

1.LM340MP-5.0NOPB.pdf (17 pages)

2.LM340T-5.0NOPB.pdf (7 pages)

Specifications of LM340S-5.0/NOPB

Regulator Topology

Positive Fixed

Voltage - Output

Voltage - Input

7.5 ~ 35 V

Voltage - Dropout (typical)

2V @ 1A

Number Of Regulators

Current - Output

1.5A

Current - Limit (min)

2.4A

Operating Temperature

0°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

TO-263-3, D²Pak (3 leads + Tab), TO-263AA

Current, Output

1 A

Current, Supply

6 mA

Package Type

TO-263

Regulation, Line

3 mV

Regulation, Load

10 mV

Regulator Type

Positive Voltage Out

Temperature, Operating, Range

0 to +125 °C

Voltage, Dropout

2 V

Voltage, Input

10 V

Voltage, Noise

40 μV

Voltage, Output

5 V

Voltage, Supply, Rejection Ratio

80 dB

Primary Input Voltage

20V

Output Voltage Fixed

No. Of Outputs

No. Of Pins

Output Current

Operating Temperature Range

0Â°C To +125Â°C

Msl

MSL 3 - 168 Hours

Filter Terminals

SMD

Rohs Compliant

Yes

Current Rating

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

*LM340S-5.0
*LM340S-5.0/NOPB
LM340S-5.0

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM340S-5.0/NOPB

Manufacturer:

Quantity:

12 400

Current page: 1 of 7
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LM340/LM78XX Series

3-Terminal Positive Regulators

General Description

The

3-terminal positive voltage regulators employ internal

current-limiting, thermal shutdown and safe-area compensa-

tion, making them essentially indestructible. If adequate heat

sinking is provided, they can deliver over 1.0A output cur-

rent. 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 volt-

age regulators, these devices can be used with external

components to obtain adjustable output voltages and cur-

rents.

Considerable effort was expended to make the entire series

of regulators easy to use and minimize the number of exter-

nal components. It is not necessary to bypass the output,

although this does improve transient response. Input by-

passing is needed only if the regulator is located far from the

filter capacitor of the power supply.

Typical Applications

*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).

∆I

= 1.3 mA over line and load changes.

LM140/LM340A/LM340/LM78XXC

Fixed Output Regulator

Current Regulator

00778103

DS007781

00778101

monolithic

The 5V, 12V, and 15V regulator options are available in the

steel TO-3 power package. The LM340A/LM340/LM78XXC

series is available in the TO-220 plastic power package, and

the LM340-5.0 is available in the SOT-223 package, as well

as the LM340-5.0 and LM340-12 in the surface-mount TO-

263 package.

Features

n Complete specifications at 1A load

n Output voltage tolerances of

n Line regulation of 0.01% of V

n Load regulation of 0.3% of V

n Internal thermal overload protection

n Internal short-circuit current limit

n Output transistor safe area protection

n P

load regulation (L

OUT

over the temperature range (LM340A)

(LM340A)

Comparison between SOT-223 and D-Pak (TO-252)

= 5V + (5V/R1 + I

Product Enhancement tested

Adjustable Output Regulator

) ≈ [(R1 + R2)/R1] (L

) R2 5V/R1

Packages

Scale 1:1

OUT

3 I

OUT

of LM340-5).

2% at T

/A (LM340A)

/V of ∆V

00778102

00778138

= 25˚C and

at 1A load

Related parts for LM340S-5.0/NOPB

LM340S-5.0/NOPB Summary of contents

Page 1

... Current Regulator ∆I = 1.3 mA over line and load changes. Q © 2006 National Semiconductor Corporation The 5V, 12V, and 15V regulator options are available in the steel TO-3 power package. The LM340A/LM340/LM78XXC monolithic series is available in the TO-220 plastic power package, and the LM340-5 ...

Page 2

... LM340K 15 7815P+ LM340AT-5.0 LM340AT 5.0 P+ LM340T-5.0 LM340T5 7805 P+ LM340T-12 LM340T12 7812 P+ LM340T-15 LM340T15 7815 P+ LM7808CT LM7808CT LM340S-5.0 LM340S-5.0 P+ LM340SX-5.0 LM340S-12 LM340S-12 P+ LM340SX-12 LM340AS-5.0 LM340AS-5.0 P+ LM340ASX-5.0 LM340MP-5.0 N00A LM340MPX-5.0 LM140KG-5 MD8 LM140KG-12 MD8 LM140KG-15 MD8 LM340-5.0 MDA LM7808C MDC 2 Transport Media NSC ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. (Note 5) DC Input Voltage Internal Power Dissipation (Note 2) Maximum Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10 sec.) TO-3 Package (K) LM340A Electrical Characteristics = 1A, 0˚ ...

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LM340S-5.0/NOPB National Semiconductor, LM340S-5.0/NOPB Datasheet

LM340S-5.0/NOPB

Specifications of LM340S-5.0/NOPB

Available stocks

Related parts for LM340S-5.0/NOPB

LM340S-5.0/NOPB Summary of contents

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