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LT1120ACS8#TRPBF

Description
Micropower Regulator with Comparator and Shutdown
CategoryPower/power management    The power supply circuit   
File Size175KB,14 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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LT1120ACS8#TRPBF Overview

Micropower Regulator with Comparator and Shutdown

LT1120ACS8#TRPBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionSOP, SOP8,.25
Contacts8
Manufacturer packaging code05-08-1610 (S8)
Reach Compliance Codecompliant
AdjustabilityADJUSTABLE
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Maximum grid regulation rate (%/V)0.02
Maximum load regulation (%)1%
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals8
Maximum operating temperature100 °C
Minimum operating temperature
Maximum output current 10.125 A
Maximum output voltage 12.55 V
Minimum output voltage 12.4 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
method of packingTR
Peak Reflow Temperature (Celsius)250
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Maximum seat height1.75 mm
surface mountYES
technologyBIPOLAR
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
LT1120A
Micropower Regulator with
Comparator and Shutdown
FeaTures
n
n
n
n
n
n
n
n
n
DescripTion
The
LT
®
1120A
is a combination micropower positive regu-
lator and free collector comparator on a single monolithic
chip. With only 20µA supply current, the LT1120A can
supply over 125mA of output current. Input voltage range
is from 4.5V to 36V and dropout voltage is 0.6V at 125mA.
Dropout voltage decreases with lower load currents. Also
included on the chip is a class B output 2.5V reference
that can either source or sink current. This allows it to be
used as a supply splitter or auxiliary output. A shutdown
pin allows logic shutdown of the output.
The comparator can be used for system or battery moni-
toring. For example, the comparator can be used to warn
of low system voltage. Frequency compensation of the
comparator for amplifier applications can be obtained by
adding external output capacitance.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Analog Devices, Inc. All other trademarks are the property of their
respective owners.
20µA Supply Current
125mA Output Current
2.5V Reference
Reference Output Sources 4mA and Sinks 4mA
Open Collector Comparator Sinks 10mA
Logic Shutdown
0.2V Dropout Voltage
Thermal Limiting
8-Lead SO Package
applicaTions
n
n
n
n
n
Battery Systems
Battery Backup System
Portable Terminals
Portable Instruments
Memory Keep Alive
Typical applicaTion
5V Regulator
V
IN
> 5.2V
I
Q
= 20µA
5 V
IN
V
OUT
4
LT1120A
GND
3
SHUTDOWN
1
FB 2
1M
0.001µF
1M
5V
Dropout Voltage and Supply Current
1.00
10
10µF
25µF
DROPOUT VOLTAGE (V)
+
+
SUPPLY CURRENT (mA)
1120A TA01a
0.10
1
0.01
0.1
10
100
1
OUTPUT CURRENT (mA)
0.1
1000
1120A TA01b
1120afb
For more information
www.linear.com/LT1120A
1

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Description Micropower Regulator with Comparator and Shutdown LDO Voltage Regulators Micropower Regulator with Comparator and Shutdown Micropower Regulator with Comparator and Shutdown Low dropout voltage regulator LT1120A - Micropower Regulator with Comparator and Shutdown Micropower Regulator with Comparator and Shutdown
Is it Rohs certified? conform to conform to conform to incompatible conform to
Maker ADI ADI ADI ADI ADI
package instruction SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 SOP, DIP, DIP8,.3
Reach Compliance Code compliant compliant compliant not_compliant compliant
JESD-30 code R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDIP-T8
JESD-609 code e3 e3 e3 e0 e3
Humidity sensitivity level 1 1 1 1 1
Number of functions 1 1 1 1 1
Number of terminals 8 8 8 8 8
Maximum output current 1 0.125 A 0.125 A 0.125 A 0.125 A 0.125 A
Maximum output voltage 1 2.55 V 2.55 V 2.55 V 20 V 2.55 V
Minimum output voltage 1 2.4 V 2.4 V 2.4 V 2.5 V 2.4 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP SOP DIP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Celsius) 250 260 260 235 NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Regulator type ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Maximum seat height 1.75 mm 1.75 mm 1.75 mm 1.75 mm 3.429 mm
surface mount YES YES YES YES NO
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE
Terminal pitch 1.27 mm 1.27 mm 1.27 mm 1.27 mm 2.54 mm
Terminal location DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED 30 30 20 NOT SPECIFIED
width 3.9 mm 3.9 mm 3.9 mm 3.9 mm 7.62 mm
Brand Name Analog Devices Inc Analog Devices Inc Analog Devices Inc - Analog Devices Inc
Is it lead-free? Contains lead Contains lead Contains lead - Contains lead
Contacts 8 8 8 - 8
Manufacturer packaging code 05-08-1610 (S8) 05-08-1610 (S8) 05-08-1610 (S8) - 05-08-1510 (N8)
Adjustability ADJUSTABLE ADJUSTABLE ADJUSTABLE - ADJUSTABLE
length 4.9 mm 4.9 mm 4.9 mm 4.9 mm -
Maximum grid regulation rate (%/V) 0.02 0.02 0.02 - 0.02
Maximum load regulation (%) 1% 1% 1% - 1%
Output times 1 1 1 - 1
Maximum operating temperature 100 °C 100 °C 100 °C - 100 °C
Encapsulate equivalent code SOP8,.25 SOP8,.25 SOP8,.25 - DIP8,.3
technology BIPOLAR BIPOLAR BIPOLAR - BIPOLAR
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