LT3080EMS8E-1-TRPBF datasheet, PDF

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LT3080EMS8E-1-TRPBF: Description0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8; Categorysemiconductor Power management; File Size300KB，24 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT3080EMS8E-1-TRPBF Overview

0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8

LT3080EMS8E-1-TRPBF Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	8
Maximum output voltage	36 V
Minimum output voltage	0.0 V
Processing package description	PLASTIC, MSOP-8
state	ACTIVE
packaging shape	SQUARE
Package Size	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.6500 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Maximum voltage difference	0.5000 V
Adjustment type	ADJUSTABLE POSITIVE LDO REGULATOR

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FEATURES

LT3080-1

Parallelable 1.1A

Adjustable Single Resistor

Low Dropout Regulator

DESCRIPTION

The LT

3080-1 is a 1.1A low dropout linear regulator that

incorporates an internal ballast resistor to allow direct

paralleling of devices without the need for PC board trace

resistors. The internal ballast resistor allows multiple

devices to be paralleled directly on a surface mount

board for higher output current and power dissipation

while keeping board layout simple and easy. The device

brings out the collector of the pass transistor to allow low

dropout operation—down to 350mV—when used with

multiple input supplies.

The LT3080-1 is capable of supplying a wide output volt-

age range. A reference current through a single resistor

programs the output voltage to any level between zero

and 36V. The LT3080-1 is stable with 2.2μF of ceramic

capacitance on the output, not requiring additional ESR

as is common with other regulators.

Internal protection includes current limiting and thermal

limiting. The LT3080-1 regulator is offered in the 8-

lead MSOP (with an Exposed Pad for better thermal

characteristics) and 3mm

3mm DFN packages.

, LT LTC and LTM are registered trademarks of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

Internal Ballast Resistor Permits Direct

Connection to Power Plane for Higher Current

and Heat Spreading

Output Current: 1.1A

Single Resistor Programs Output Voltage

1% Initial Accuracy of SET Pin Current

Output Adjustable to 0V

Low Output Noise: 40μV

RMS

(10Hz to 100kHz)

Wide Input Voltage Range: 1.2V to 36V

Low Dropout Voltage: 350mV

<0.001%/ V Line Regulation

Minimum Load Current: 0.5mA

Stable with 2.2μF Minimum Ceramic Output Capacitor

Current Limit with Foldback and Overtemperature

Protected

Available in 8-Lead MSOP and 3mm

3mm DFN

APPLICATIONS

High Current All Surface Mount Supply

High Efﬁciency Linear Regulator

Post Regulator for Switching Supplies

Low Parts Count Variable Voltage Supply

Low Output Voltage Power Supplies

TYPICAL APPLICATION

Paralleling Regulators

CONTROL

LT3080-1

N = 13250

Offset Voltage Distribution

–

SET

4.8V TO 28V

CONTROL

LT3080-1

25mΩ

OUT*

1μF

–

SET

165k

25mΩ

OUT*

OUT

3.3V

2.2A

10μF

*OUTPUTS CAN BE

DIRECTLY MOUNTED

TO POWER PLANE

–2

–1

DISTRIBUTION (mV)

30801 TA01b

30801 TA01

30801fa

LT3080EMS8E-1-TRPBF Related Products

	LT3080EMS8E-1-TRPBF	LT3080EDD-1	LT3080EDD-1-TR	LT3080EMS8E-1	LT3080EMS8E-1-TR
Description	0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8	0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8	0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8	0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8	0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8
Number of functions	1	1	1	1	1
Number of terminals	8	8	8	8	8
surface mount	Yes	YES	Yes	YES	Yes
Terminal form	GULL WING	NO LEAD	GULL WING	GULL WING	GULL WING
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum output voltage	36 V	-	36 V	-	36 V
Minimum output voltage	0.0 V	-	0.0 V	-	0.0 V
Processing package description	PLASTIC, MSOP-8	-	PLASTIC, MSOP-8	-	PLASTIC, MSOP-8
state	ACTIVE	-	ACTIVE	-	ACTIVE
packaging shape	SQUARE	-	SQUARE	-	SQUARE
Package Size	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Terminal spacing	0.6500 mm	-	0.6500 mm	-	0.6500 mm
terminal coating	TIN LEAD	-	TIN LEAD	-	TIN LEAD
Packaging Materials	PLASTIC/EPOXY	-	PLASTIC/EPOXY	-	PLASTIC/EPOXY
Maximum voltage difference	0.5000 V	-	0.5000 V	-	0.5000 V
Adjustment type	ADJUSTABLE POSITIVE LDO REGULATOR	-	ADJUSTABLE POSITIVE LDO REGULATOR	-	ADJUSTABLE POSITIVE LDO REGULATOR

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