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LT3080EDD-1

Description
0 V-36 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8
CategoryPower/power management    The power supply circuit   
File Size300KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LT3080EDD-1 Overview

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

LT3080EDD-1 Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeDFN
package instruction3 X 3 MM, PLASTIC, MO-229WEED-1, DFN-8
Contacts8
Manufacturer packaging codeDD
Reach Compliance Code_compli
ECCN codeEAR99
AdjustabilityADJUSTABLE
Maximum drop-back voltage 10.5 V
Nominal dropback voltage 10.35 V
JESD-30 codeS-PDSO-N8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals8
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi-40 °C
Maximum output current 11.1 A
Maximum output voltage 136 V
Minimum output voltage 1
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC8,.11,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)255
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height0.8 mm
surface mountYES
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
FEATURES
n
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.
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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
n
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n
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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
IN
V
CONTROL
LT3080-1
N = 13250
Offset Voltage Distribution
+
SET
V
IN
4.8V TO 28V
IN
V
CONTROL
LT3080-1
25mΩ
OUT*
1μF
+
SET
165k
25mΩ
OUT*
V
OUT
3.3V
2.2A
10μF
*OUTPUTS CAN BE
DIRECTLY MOUNTED
TO POWER PLANE
–2
0
–1
1
V
OS
DISTRIBUTION (mV)
2
30801 TA01b
30801 TA01
30801fa
1

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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 NO LEAD GULL WING 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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