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LTC3531ES6-3.3#TR

Description
LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C
CategoryPower/power management    The power supply circuit   
File Size689KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC3531ES6-3.3#TR Overview

LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

LTC3531ES6-3.3#TR Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOT
package instructionPLASTIC, MO-193, TSOT-23, 6 PIN
Contacts6
Manufacturer packaging codeS6
Reach Compliance Code_compli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeVOLTAGE-MODE
Maximum input voltage5.5 V
Minimum input voltage1.8 V
Nominal input voltage3.6 V
JESD-30 codeR-PDSO-G6
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output current0.46 A
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Encapsulate equivalent codeTSOP6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height1 mm
surface mountYES
Switch configurationBUCK-BOOST
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width1.625 mm
LTC3531/
LTC3531-3.3/LTC3531-3
200mA Buck-Boost
Synchronous DC/DC
Converters
FEATURES
DESCRIPTIO
Regulated Output with Input Above, Below or Equal
to the Output
Single Inductor
Up to 90% Efficiency
V
IN
Range: 1.8V to 5.5V
200mA at 3.3V
OUT
from 3.6V Input
125mA at 3V
OUT
from 2.5V Input
Fixed V
OUT
Versions (TSOT, DFN): 3.3V, 3V
Adjustable V
OUT
Version (DFN): 2V to 5V
Burst Mode
®
Operation, No External Compensation
Ultra Low Quiescent Current: 16μA, Shutdown
Current <1μA
Only 3 External Components Required
(Fixed Voltage Versions)
Short-Circuit Protection
Output Disconnect in Shutdown
Available in 6-Pin ThinSOT and 3mm
×
3mm DFN
Packages
The LTC
®
3531/LTC3531-3.3/LTC3531-3 are synchronous
buck-boost DC/DC converters that operate from input
voltages above, below or equal to the output voltage. The
topology incorporated in the ICs provides a continuous
transfer through all operating modes, making the product
ideal for single cell Li-Ion and multicell alkaline or nickel
applications. The converters operate in Burst Mode, mini-
mizing solution footprint and component count as well as
providing high conversion efficiency over a wide range of
load currents.
The devices include two 0.5Ω N-channel MOSFET switches
and two P-channel switches (0.5Ω, 0.8Ω). Quiescent
current is typically 16μA, making the parts ideal for bat-
tery power applications. Other features include a <1μA
shutdown current, current limiting, thermal shutdown
and output disconnect. The parts are offered in a 6-pin
ThinSOT
TM
package for fixed voltage versions or a 3mm
×
3mm DFN package for fixed and adjustable versions.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6166527.
APPLICATIO S
Handheld Instruments
MP3 Players
Handheld computers
PDA/GPS
TYPICAL APPLICATIO
10μH
SW1
V
IN
100
95
90
EFFICIENCY (%)
V
IN
3.1V TO
4.2V
Li-Ion
SW2
V
OUT
V
OUT
3.3V
160mA
10μF
SHDN
GND
70
3531 TA01a
85
80
75
+
LTC3531-3.3
2.2μF
65
ON OFF
60
1.5
2
2.5
3.3V
OUT
AT 100mA
3 3.5 4 4.5
INPUT VOLTAGE (V)
5
5.5
U
Efficiency vs V
IN
BOOST
MODE
BUCK
MODE
4SW
MODE
3531 TA01b
U
U
3531fb
1

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Description LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C LTC3531 - 200mA Buck-Boost Synchronous DC/DC Converters; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C
Brand Name 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
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code SOT DFN DFN DFN SOT SOT SOT
package instruction PLASTIC, MO-193, TSOT-23, 6 PIN HVSON, SOLCC8,.11,20 3 X 3 MM, PLASTIC, MO-229WEED-1, DFN-8 HVSON, SOLCC8,.11,20 VSSOP, TSOP6,.11,37 VSSOP, VSSOP,
Contacts 6 8 8 8 6 6 6
Manufacturer packaging code S6 DD DD DD S6 S6 S6
Reach Compliance Code _compli not_compliant not_compliant not_compliant not_compliant not_compliant compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
Maximum input voltage 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum input voltage 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V
Nominal input voltage 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V
JESD-30 code R-PDSO-G6 S-PDSO-N8 S-PDSO-N8 S-PDSO-N8 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6
JESD-609 code e0 e0 e0 e0 e0 e0 e0
length 2.9 mm 3 mm 3 mm 3 mm 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1 1
Number of terminals 6 8 8 8 6 6 6
Maximum operating temperature 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
Maximum output current 0.46 A 0.46 A 0.46 A 0.46 A 0.46 A 0.46 A 0.46 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code VSSOP HVSON HVSON HVSON VSSOP VSSOP VSSOP
Package shape RECTANGULAR SQUARE SQUARE SQUARE RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, VERY 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 SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 235 235 235 235 235 235 235
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1 mm 0.8 mm 0.8 mm 0.8 mm 1 mm 1 mm 1 mm
surface mount YES YES YES YES YES YES YES
Switch configuration BUCK-BOOST BUCK-BOOST BUCK-BOOST BUCK-BOOST BUCK-BOOST BUCK-BOOST BUCK-BOOST
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL 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)
Terminal form GULL WING NO LEAD NO LEAD NO LEAD GULL WING GULL WING GULL WING
Terminal pitch 0.95 mm 0.5 mm 0.5 mm 0.5 mm 0.95 mm 0.95 mm 0.95 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 20 20 20 20 20 20
width 1.625 mm 3 mm 3 mm 3 mm 1.625 mm 1.625 mm 1.625 mm
control mode VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE - -
Encapsulate equivalent code TSOP6,.11,37 SOLCC8,.11,20 SOLCC8,.11,20 SOLCC8,.11,20 TSOP6,.11,37 - -
technology CMOS CMOS CMOS CMOS CMOS - -
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