LND1084 LINEAR_DIMENSIONS [Linear Dimensions Semiconductor], LND1084 Datasheet

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LND1084

Manufacturer Part Number
LND1084
Description
7.5 A, 5 A, 3 A Low Dropout Positive Adjustable Regulators
Manufacturer
LINEAR_DIMENSIONS [Linear Dimensions Semiconductor]
Datasheet
1.LND1084.pdf (6 pages)
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 •
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GENERAL DESCRIPTION
The LND1083/LND1084/LND1085 series of
positive adjustable regulators are designed to
provide 7.5A, 5A and 3A with higher efficiency
than currently available devices. All internal
circuitry is designed to operate down to 1V
input to output differential and the dropout
voltage is fully specified as a function of load
current. Dropout is guaranteed at a maximum
of 1.5V at maximum output current. On-chip
trimming adjusts the reference voltage to
1%.Current limit is also trimmed, minimizing
the stress on both the regulator and power
source circuitry under overload conditions.
The LND1083/LND1084/LND1085 devices are
pin compatible with older 3 terminal regulators.
A 10µF output capacitor is required on these
new devices: however, this is usually included
in most regulator designs.
TYPICAL APPLICATION DATA
5V, 5A Regulator
7.5 A, 5 A, 3 A Low Dropout Positive Adjustable Regulators
DATA SHEET
FEATURES
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APPLICATIONS
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Three terminal Adjustable
Output Current of 3A, 5A or 7.5A
Operates Down to 1V dropout
Guaranteed Dropout Voltage at
Multiple Current Levels
0.015% Line regulation
0.01% Load Regulation
100% Thermal Limit Burn-In
High Efficiency Linear Regulators
Post Regulators for Switching
Supplies
Constant Current Regulators
Battery Chargers
www.lineardimensions.com
LND1083/84/85
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LND1084 Summary of contents

Page 1

... The LND1083/LND1084/LND1085 devices are pin compatible with older 3 terminal regulators. A 10µF output capacitor is required on these new devices: however, this is usually included in most regulator designs ...

Page 2

... LEAD DEVICE SELECTION GUIDE • Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • K PackageTO-3 Metal Can Bottom View DEVICE LND1083 LND1084 LND1085 LND1083/84/85 P Package TO–3P Plastic Front View MAXIMUM UNITS Internally Limited ...

Page 3

... ELECTRICAL CHARACTERISTICS (See Note 1) Parameter Reference Voltage Line Regulation Load Regulation Dropout Voltage Current Limit LND1083 LND1084 LND1085 Minimum Load Current Thermal regulation LND1083 LND1083 LND1085 Ripple Rejection Adjust Pin Current Adjust Pin Current Change Temperature Stability Long Term Stability RMS output Noise(% of Vout) • ...

Page 4

... Note 2: Line and load regulation are guaranteed up to the maximum power dissipation (60W for the LND1083, 45W for the LND1084 (K, P) 30W for the LND1084 (T) and 30W for the LND1085). Power dissipation will not be available over the full input/output voltage range. ...

Page 5

APPLICATIONS INFORMATION The LND1083 family of three-terminal adjustable regulators is easy to use and has all the protection features that are expected in high performance voltage regulators. Stability The circuit design used in the LND1083 series requires the use of ...

Page 6

TYPICAL APPLICATIONS Improving ripple rejection • Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • LND1083/84/85 1.2V to 15V adjustable regulator www.lineardimensions.com • ...

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