Datasheet > LT1085M

LT1085M

更新时间： 2024-11-22 22:55:47

品牌	Logo	应用领域
SEME-LAB		稳压器
页数	文件大小	规格书
3页	34K
描述
3 AMP POSITIVE VOLTAGE REGULATOR

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数据手册

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LT1085M 数据手册

LT1085M

MILITARY VERSION

3 AMP POSITIVE

VOLTAGE REGULATOR

FEATURES

• Low Dropout Performance

INPUT

• Fixed or Adjustable Voltages

SAFE AREA

• Fixed Output Voltages of 3.3V, 5V & 12V

• Adjustable Output Voltage Range From 1.2V

• Line Regulation 0.015% / V Typical.

• Load Regulation 0.01% Typical.

PROTECTION

LIMIT

CURRENT

LIMITING

AMPLIFIER

OUTPUT

SENSE

• Available in Hermetically Sealed TO–3,SMD1 and

TO–257 (isolated & non-isolated) Packages.

T HERM AL

OVERLO AD

• Military Temperature Range (–55 to +150°C)

VOLTAGE

REGULATION

AMPLIFIER

V_{RE F}

ADJUST

(1)

DEVICE

PACKAGE

LT1085MK–XX

LT1085MG–XX

LT1085MIG–XX

LT1085MSM–XX

TO–3

TO–257

Isolated TO–257

TO–220SM

DESCRIPTION

The LT1085 voltage regulators are monolithic

integrated circuits designed for use in applications

requiring a well regulated positive output voltage

with low input-output differential voltage.

Note

1) –XX = Voltage Option: 3.3, 5 or 12

–XX = Left blank for Adjustable Option.

Features include full power usage of up to 3A load current, internal current limiting and thermal shutdown. Safe area

protection on the die is also included, providing protection of the series pass Darlington transistor under most conditions.

The hermetically sealed TO–3 packages are utilised for high reliablitiy and low thermal resistance, whilst the SMD1

package is designed for surface mount applications.

ABSOLUTE MAXIMUM RATINGS (T

= 25°C unless otherwise stated)

case

Input – Output Voltage Differential

35V

Power Dissipation

Internally limited *

Thermal Resistance Junction To Case

TO–3

Control

Power

0.93°C / W

3.0°C / W

Thermal Resistance Junction To Case

SMD1

Control

Power

0.79°C / W

4.0°C / W

TO–257

Control

Power

0.79°C / W

4.0°C / W

Operating Junction Temperature Range

Control

Power

–55 to 150°C

–55 to 200°C

Storage Temperature Range

Lead Temperature (for 10 sec.)

–65 to 150°C

300°C

STG

LEAD

* These ratings are only applicable for power dissipations of 30 Watts over a limited range of V_IN– V_OUT

Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.

Prelim. 4/95

E-mail: sales@semelab.co.uk

Website: http://www.semelab.co.uk

12 3

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