LM1084 datasheet(1/1 Pages) TGS

部件名	LM1084

功能描述	5A LOW DROPOUT POSITIVE REGULATOR

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制造商	TGS [Tiger Electronic Co.,Ltd]

网页	http://www.tgselec.com

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LM1084-XX

Features

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Reference Voltage

LM1084 (ADJ)

1.225

1.25

1.275

Output Voltage

LM1084-15, V

IN=4.5V

1.470

1.50

1.530

V

LM1084-18, V

IN=4.8V

1.764

1.80

1.836

LM1084-25, V

IN=5.5V

2.450

2.50

2.55

LM1084-33, V

IN=6.3V

3.235

3.30

3.365

LM1084-50, V

IN=7.0V

4.90

5.00

5.10

Line Regulation

ADJ : 2.65V

≤ V

IN ≤7V

-

0.015

0.2

%

V

OUT=1.25V

Fix : V

OUT+1.4V≤ VIN ≤7V

Load Regulation

10mA < I

O < 5A

0.6

%

Dropout Voltage

ΔV

OUT, ΔVREF=1%

1.3

1.4

V

10mA

≤ I

O ≤ 5A

Current Limit

5.0

6.0

A

GND Current (Fix)

2.65V

≤ V

IN ≤ 7V

2.0

10

mA

Adjusted Pin Current

2.65V

≤ V

IN ≤ 7V

55

120

uA

Adjusted Pin Current Change (

ΔIADJ)

2.65V

≤ V

IN ≤ 7V

0.2

5.0

uA

Temperature Stability

I

O=0.5A

0.5

%

Minimum Load Current

5.0

10

mA

RMS Output Noise (% of V

OUT)

0.003

%

Ripple Rejection Ratio

120Hz input ripple

C

OUT=25μF

(V

IN -VOUT)=3V

60

72

dB

5A LOW DROPOUT POSITIVE REGULATOR

1. Dropout Voltage 1.3V at 5A Output Current.

2. Fast Transient Response.

3. Extremely Tight Line and Load Regulation.

4. Current Limiting and Thermal Protection.

5. Adjustable Output Voltage or Fixed 1.5V, 1.8V,

2.5V, 3.3V, 5.0V.

6. Standard 3-Pin Power Packages.

Product specification

Electrical Characteristics ( Ta = 25 C)

O

DESCRIPTION

The LM1084 is a low dropout three terminal

regulator with 5A output current capability. The

output voltage is adjustable with the use of a

resistor divider or fixed 1.5V, 1.8V, 2.5V, 3.3V and 5.0V.

Dropout voltage is guaranteed to be at maximum

of 1.4V with the maximum output current. Its low

dropout voltage and fast transient response make

it ideal for low voltage microprocessor applications.

Current limit and thermal protection provide

protection against any overload condition that

would create excessive junction temperatures.

Note:

°

°°

Specifications are production tested at TA=25

C. Specifications over the -40

C to 85

C operating

temperature range are assured by design, characterization and correlation with Statistical Quality

Controls (SQC).

°

(VIN=5V, TJ=25

C, IO=10mA, unless otherwise specified) (Note1)

TO-220

1. Adj(COM) 2. Output 3. Input

TO-263

TO-252

TO-263-2L

TIGER ELECTRONIC CO.,LTD

LM1084T-XXV *TO-220

LM1084SX3-XXV *TO-263

LM1084SX2-XXV *TO-263-2L

LM1084J-XXV *TO-252

LM1084-XX

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