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LTC3625IDE-1#TRPBF

Description
IC SUPERCAP CHARGER 1A 12DFN
CategoryPower/power management    The power supply circuit   
File Size116KB,6 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LTC3625IDE-1#TRPBF Overview

IC SUPERCAP CHARGER 1A 12DFN

LTC3625IDE-1#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeDFN
package instructionHVSON, SOLCC12,.12,20
Contacts12
Manufacturer packaging codeDE/UE
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-N12
JESD-609 codee3
length4 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals12
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC12,.12,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3.6 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)0.53 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.6 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
DEMO MANUAL DC1583A
LTC3625/LTC3625-1:
1A High Efficiency 2-Cell Supercapacitor
Charger with Automatic Cell Balancing
DESCRIPTION
Demonstration circuit 1583A is a 1A high efficiency 2- Cell
supercapacitor charger with automatic cell balancing fea-
turing the LTC3625/LTC3625-1. The LTC3625/LTC3625-1
are programmable supercapacitor chargers designed to
charge two supercapacitors in series to a fixed voltage of
5.3V/4.8V (LTC3625) or 4.5V/4.0V (LTC3625-1) from a 2.7V
to 5.5V input supply. Automatic cell balancing is achieved
during the charging phase, preventing overvoltage damage
to either supercapacitor while maximizing charge rate.
High efficiency, high charging current, low quiescent
current and low minimum external parts count make the
LTC3625/LTC3625-1 ideally suited for small form factor
backup or high peak power systems.
Charging current/maximum input current level is pro-
grammed with an external resistor. When the input supply is
removed and/or the EN pin is low, the LTC3625/LTC3625-1
automatically enters a low current state, drawing less than
1μA from the supercapacitors.
The LTC3625/LTC3625-1 are offered in a 12-lead (3mm
×
4mm
×
0.75mm) DFN package.
Design files for this circuit board are available at
http://www.linear.com/demo
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
PERFORMANCE SUMMARY
Typical Specifications (25°C) LTC3625
Input Voltage Range: V
CC
Charge Current
V
OUT
Typical Specifications (25°C) LTC3625-1
Input Voltage Range: V
CC
Charge Current
V
OUT
2.7V to 5.5V
1.0A
4.0V or 4.5V Dependant on JP1 Setting
2.7V to 5.5V
1.0A
4.8V or 5.3V Dependant on JP1 Setting
OPERATING PRINCIPLES
The LTC3625/LTC3625-1 are dual cell supercapacitor char-
gers. Their unique topology charges two series connected
capacitors to a fixed voltage with programmable charging
current preventing overvoltage damage to either of the
cells, even if they are severely mismatched. No balancing
resistors are required. The LTC3625/LTC3625-1 include an
internal buck converter between V
IN
and V
MID
to regulate
the voltage on C
BOT
(the bottom capacitor) as well as an
internal boost converter between V
MID
and V
OUT
to regu-
late the voltage on C
TOP
(the top capacitor). The output
current of the buck converter is user-programmed via the
PROG pin while the input current of the boost converter
is set to 2A (typical).
dc1583Af
1

LTC3625IDE-1#TRPBF Related Products

LTC3625IDE-1#TRPBF DC1583A-B LTC3625IDE#TRPBF LTC3625EDE#PBF LTC3625EDE-1#PBF DC1583A-A LTC3625EDE#TRPBF LTC3625EDE-1#TRPBF LTC3625IDE#PBF LTC3625IDE-1#PBF
Description IC SUPERCAP CHARGER 1A 12DFN board eval for ltc3625-1ede IC SUPERCAP CHARGER 1A 12DFN IC SUPERCAP CHARGER 1A 12DFN IC SUPERCAP CHARGER 1A 12DFN BOARD DEMO FOR LTC3625EDE IC SUPERCAP CHARGER 1A 12DFN IC SUPERCAP CHARGER 1A 12DFN IC SUPERCAP CHARGER 1A 12DFN Output current: 500mA Switching operating frequency: - Output type: Fixed Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive low Iq, dual-channel, two-phase, synchronous buck controller
Brand Name Linear Technology - Linear Technology Linear Technology Linear Technology - Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? conform to - conform to conform to conform to - conform to conform to conform to conform to
Maker Linear ( ADI ) - Linear ( ADI ) - Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code DFN - DFN DFN DFN - DFN DFN DFN DFN
package instruction HVSON, SOLCC12,.12,20 - HVSON, SOLCC12,.12,20 HVSON, SOLCC12,.12,20 HVSON, SOLCC12,.12,20 - HVSON, SOLCC12,.12,20 HVSON, SOLCC12,.12,20 HVSON, SOLCC12,.12,20 HVSON, SOLCC12,.12,20
Contacts 12 - 12 12 12 - 12 12 12 12
Manufacturer packaging code DE/UE - DE/UE DE/UE DE/UE - DE/UE DE/UE DE/UE DE/UE
Reach Compliance Code compliant - compliant compliant compliant - compliant compliant compliant compliant
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 R-PDSO-N12 - R-PDSO-N12 R-PDSO-N12 R-PDSO-N12 - R-PDSO-N12 R-PDSO-N12 R-PDSO-N12 R-PDSO-N12
JESD-609 code e3 - e3 e3 e3 - e3 e3 e3 e3
length 4 mm - 4 mm 4 mm 4 mm - 4 mm 4 mm 4 mm 4 mm
Humidity sensitivity level 1 - 1 1 1 - 1 1 1 1
Number of channels 1 - 1 1 1 - 1 1 1 1
Number of functions 1 - 1 1 1 - 1 1 1 1
Number of terminals 12 - 12 12 12 - 12 12 12 12
Maximum operating temperature 125 °C - 125 °C 85 °C 85 °C - 85 °C 85 °C 125 °C 125 °C
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON - HVSON HVSON HVSON - HVSON HVSON HVSON HVSON
Encapsulate equivalent code SOLCC12,.12,20 - SOLCC12,.12,20 SOLCC12,.12,20 SOLCC12,.12,20 - SOLCC12,.12,20 SOLCC12,.12,20 SOLCC12,.12,20 SOLCC12,.12,20
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED - NOT SPECIFIED 225 225 - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
power supply 3.6 V - 3.6 V 3.6 V 3.6 V - 3.6 V 3.6 V 3.6 V 3.6 V
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm - 0.8 mm 0.8 mm 0.8 mm - 0.8 mm 0.8 mm 0.8 mm 0.8 mm
Maximum supply current (Isup) 0.53 mA - 0.53 mA 0.53 mA 0.53 mA - 0.53 mA 0.53 mA 0.53 mA 0.53 mA
Maximum supply voltage (Vsup) 5.5 V - 5.5 V 5.5 V 5.5 V - 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 2.7 V - 2.7 V 2.7 V 2.7 V - 2.7 V 2.7 V 2.7 V 2.7 V
Nominal supply voltage (Vsup) 3.6 V - 3.6 V 3.6 V 3.6 V - 3.6 V 3.6 V 3.6 V 3.6 V
surface mount YES - YES YES YES - YES YES YES YES
technology CMOS - CMOS CMOS CMOS - CMOS CMOS CMOS CMOS
Temperature level AUTOMOTIVE - AUTOMOTIVE OTHER OTHER - OTHER OTHER AUTOMOTIVE AUTOMOTIVE
Terminal surface Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form NO LEAD - NO LEAD NO LEAD NO LEAD - NO LEAD 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 NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 3 mm - 3 mm 3 mm 3 mm - 3 mm 3 mm 3 mm 3 mm
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