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LTC2900-1CMS

Description
4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
CategoryPower/power management    The power supply circuit   
File Size196KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Related ProductsFound5parts with similar functions to LTC2900-1CMS
Download Datasheet Parametric Compare View All

LTC2900-1CMS Overview

4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10

LTC2900-1CMS Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeMSOP
package instructionTSSOP, TSSOP10,.19,20
Contacts10
Manufacturer packaging codeMS
Reach Compliance Code_compli
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-PDSO-G10
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of channels4
Number of functions1
Number of terminals10
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP10,.19,20
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
power supply5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
LTC2900
Programmable Quad Supply
Monitor with Adjustable Reset Timer
FEATURES
s
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
Simultaneously Monitors Four Supplies
16 User Selectable Combinations of 5V, 3.3V, 3V,
2.5V, 1.8V, 1.5V and/or
±Adjustable
Voltage
Thresholds
Guaranteed Threshold Accuracy:
±1.5%
of
Monitored Voltage Over Temperature
Low Supply Current: 43µA Typ
Adjustable Reset Time
Small MSOP and 3mm
×
3mm DFN Packages
Manual Reset Pin
Open-Drain RST Output (LTC2900-1)
Push-Pull RST Output (LTC2900-2)
Power Supply Glitch Immunity
Guaranteed RST for V
CC
1V
The LTC
®
2900 is a programmable supply monitor for
systems with up to four supply voltages. One of 16 preset
or adjustable voltage monitor combinations can be se-
lected using an external resistor divider connected to the
program pin. The preset voltage thresholds are accurate
to
±1.5%
over temperature.
The reset delay time is adjustable using an external
capacitor and the manual reset input may be used with a
momentary switch to issue reset pulses with programmed
duration. Tight voltage threshold accuracy and glitch
immunity ensure reliable reset operation without false
triggering. The RST output is guaranteed to be in the
correct state for V
CC
down to 1V. The LTC2900-1 features
an open-drain RST output, while the LTC2900-2 has a
push-pull RST output.
The 43µA supply current makes the LTC2900 ideal for
power conscious systems and it may be configured to
monitor less than four inputs. The parts are available in
the 10-lead MSOP and the 10-lead 3mm
×
3mm DFN
packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
Desktop and Notebook Computers
Multivoltage Systems
Telecom Equipment
Portable Battery-Powered Equipment
Network Servers
TYPICAL APPLICATIO
Quad Supply Monitor (5V, 3.3V, 2.5V, 1.8V)
5V
3.3V
DC/DC
CONVERTER
2.5V
1.8V
V3
V4
V1
LTC2900-2
V2
V
REF
V
PG
GND
RST
PBR
CRT
C
RT
47nF
t
RST
= 216ms
2900f
C1
0.1µF
C2
0.1µF
R1
59k
1%
R2
40.2k
1%
PUSH-BUTTON
RESET
2900 TA01
U
SYSTEM
LOGIC
U
U
1

LTC2900-1CMS Related Products

LTC2900-1CMS LTC2900-2IMS LTC2900-2IDD LTC2900-2CMS LTC2900-1IMS LTC2900-2CDD LTC2900-1IDD LTC2900-1CDD
Description 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code MSOP MSOP DFN MSOP MSOP DFN DFN DFN
package instruction TSSOP, TSSOP10,.19,20 TSSOP, TSSOP10,.19,20 HVSON, SOLCC10,.12,20 TSSOP, TSSOP10,.19,20 TSSOP, TSSOP10,.19,20 HVSON, SOLCC10,.12,20 HVSON, SOLCC10,.12,20 HVSON, SOLCC10,.12,20
Contacts 10 10 10 10 10 10 10 10
Manufacturer packaging code MS MS DD MS MS DD DD DD
Reach Compliance Code _compli _compli not_compliant _compli _compli not_compliant _compli _compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Adjustable threshold YES YES YES YES YES YES YES YES
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code S-PDSO-G10 S-PDSO-G10 S-PDSO-N10 S-PDSO-G10 S-PDSO-G10 S-PDSO-N10 S-PDSO-N10 S-PDSO-N10
JESD-609 code e0 e0 e0 e0 e0 e0 e0 e0
length 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
Humidity sensitivity level 1 1 1 1 1 1 1 1
Number of channels 4 4 4 4 4 4 4 4
Number of functions 1 1 1 1 1 1 1 1
Number of terminals 10 10 10 10 10 10 10 10
Maximum operating temperature 70 °C 85 °C 85 °C 70 °C 85 °C 70 °C 85 °C 70 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TSSOP TSSOP HVSON TSSOP TSSOP HVSON HVSON HVSON
Encapsulate equivalent code TSSOP10,.19,20 TSSOP10,.19,20 SOLCC10,.12,20 TSSOP10,.19,20 TSSOP10,.19,20 SOLCC10,.12,20 SOLCC10,.12,20 SOLCC10,.12,20
Package shape SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 235 235 235 235 235 235 235 235
power supply 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.1 mm 1.1 mm 0.8 mm 1.1 mm 1.1 mm 0.8 mm 0.8 mm 0.8 mm
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
surface mount YES YES YES YES YES YES YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING NO LEAD GULL WING GULL WING NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 20 20 20 20 20 20 20
width 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm

LTC2900-1CMS Similar Products

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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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