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LTC3534EDHC#PBF

Description
Output current: 500mA Switching operating frequency: 1MHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up/Step-Down Output configuration: Positive 7V, 500mA synchronous buck-boost DC/DC converter
CategoryPower/power management    The power supply circuit   
File Size457KB,20 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric Compare View All

LTC3534EDHC#PBF Overview

Output current: 500mA Switching operating frequency: 1MHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up/Step-Down Output configuration: Positive 7V, 500mA synchronous buck-boost DC/DC converter

LTC3534EDHC#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
Parts packaging codeDFN
package instructionHVSON, SOLCC16,.12,20
Contacts16
Manufacturer packaging codeDHC
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeVOLTAGE-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage7 V
Minimum input voltage2.4 V
Nominal input voltage5 V
JESD-30 codeR-PDSO-N16
JESD-609 codee3
length5 mm
Humidity sensitivity level1
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature
Nominal output voltage5 V
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC16,.12,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height0.8 mm
surface mountYES
Switch configurationBUCK-BOOST
Maximum switching frequency1150 kHz
technologyCMOS
Temperature levelOTHER
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
Base Number Matches1
FeaTures
n
n
n
n
n
n
n
n
n
n
LTC3534
7V, 500mA Synchronous
Buck-Boost DC/DC
Converter
DescripTion
The
LTC
®
3534
is a wide V
IN
range, highly efficient, fixed
frequency, buck-boost DC/DC converter that operates
from input voltages above, below or equal to the output
voltage. The topology incorporated in the IC provides a
continuous transfer function through all operating modes,
making the product ideal for multi-cell Alkaline/NiMH or
single Lithium-Ion/Polymer applications where the output
voltage is within the battery voltage range.
The LTC3534 offers extended V
IN
and V
OUT
ranges of 2.4V
to 7V and 1.8V to 7V, respectively. Quiescent current is
only 25µA in Burst Mode operation, maximizing battery
life in portable applications. Burst Mode operation is user
controlled and can be enabled by driving the PWM pin
low. If the PWM pin is driven high then fixed frequency
switching is enabled.
Other features include fixed 1MHz operating frequency, a
<1µA shutdown, short-circuit protection, programmable
soft-start, current limit and thermal overload protection.
The LTC3534 is available in the thermally enhanced 16-lead
(3mm
×
5mm) DFN and 16-lead GN packages.
L,
LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Burst Mode is a registered trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Regulated Output with Input Voltages Above,
Below or Equal to the Output
2.4V to 7V V
IN
and 1.8V to 7V V
OUT
Ranges
5V V
OUT
at 500mA from 4 AA Cells
Single Inductor
Synchronous Rectification: Up to 94% Efficiency
Burst Mode
®
Operation with 25µA I
Q
Output Disconnect in Shutdown
1MHz Switching Frequency
<1µA Shutdown Current
Small Thermally Enhanced 16-Lead (5mm
×
3mm
×
0.75mm) DFN and 16-Lead GN Packages
applicaTions
n
n
n
n
n
Medical Instruments
Portable Barcode Readers
Portable Inventory Terminals
USB to 5V Supply
Handheld GPS
Typical applicaTion
4 AA Cells to 5V at 500mA Buck-Boost Converter
5µH
100
4 AA Cells to 5V Efficiency vs V
IN
4 AA
CELLS
+
10µF
OFF ON
EFFICIENCY (%)
V
IN
3.6V TO 6.4V
SW1
PV
IN
V
IN
LTC3534
RUN/SS
PWM
SW2
V
OUT
10k
FB
V
C
162k
3534 TA01a
95
V
OUT
5V
22µF 500mA
PWM I
OUT
= 300mA
90
PWM I
OUT
= 500mA
85
649k
33pF
15k
BURST PWM
PGND1 GND PGND2 330pF
80
75
3.6
4.0
4.4
4.8 5.2
V
IN
(V)
5.6
6.0
6.4
3534 TA01b
3534fb
For more information
www.linear.com/LTC3534
1

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Description Output current: 500mA Switching operating frequency: 1MHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up/Step-Down Output configuration: Positive 7V, 500mA synchronous buck-boost DC/DC converter board evaluation for ltc3534 IC REG BUCK BOOST ADJ 0.5A 16DFN IC REG BUCK BST ADJ 0.5A 16SSOP Output current: 500mA Switching operating frequency: 1MHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up/Step-Down Output configuration: Positive 7V, 500mA synchronous buck-boost DC/DC converter IC SWITCHING REGULATOR, 1150 kHz SWITCHING FREQ-MAX, PDSO16, 5 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WJED-1, DFN-16, Switching Regulator or Controller IC SWITCHING REGULATOR, 1150 kHz SWITCHING FREQ-MAX, PDSO16, 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16, Switching Regulator or Controller IC SWITCHING REGULATOR, 1150 kHz SWITCHING FREQ-MAX, PDSO16, 5 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WJED-1, DFN-16, Switching Regulator or Controller
Is it Rohs certified? conform to - conform to conform to conform to incompatible incompatible incompatible
Parts packaging code DFN - DFN SSOP SSOP SON SOIC SON
package instruction HVSON, SOLCC16,.12,20 - HVSON, SOLCC16,.12,20 SSOP, SSOP16,.25 SSOP, SSOP16,.25 HVSON, SOLCC16,.12,20 SSOP, SSOP16,.25 HVSON, SOLCC16,.12,20
Contacts 16 - 16 16 16 16 16 16
Reach Compliance Code compliant - compliant compliant compliant not_compliant _compli _compli
ECCN code EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Other features ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V - ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V
Analog Integrated Circuits - Other Types SWITCHING REGULATOR - SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode VOLTAGE-MODE - VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE
Control Technology PULSE WIDTH MODULATION - PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 7 V - 7 V 7 V 7 V 7 V 7 V 7 V
Minimum input voltage 2.4 V - 2.4 V 2.4 V 2.4 V 2.4 V 2.4 V 2.4 V
Nominal input voltage 5 V - 5 V 5 V 5 V 5 V 5 V 5 V
JESD-30 code R-PDSO-N16 - R-PDSO-N16 R-PDSO-G16 R-PDSO-G16 R-PDSO-N16 R-PDSO-G16 R-PDSO-N16
JESD-609 code e3 - e3 e3 e3 e0 e0 e0
length 5 mm - 5 mm 4.8895 mm 4.8895 mm 5 mm 4.8895 mm 5 mm
Humidity sensitivity level 1 - 1 1 1 1 1 1
Number of functions 1 - 1 1 1 1 1 1
Number of terminals 16 - 16 16 16 16 16 16
Maximum operating temperature 85 °C - 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
Nominal output voltage 5 V - 5 V 5 V 5 V 5 V 5 V 5 V
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON - HVSON SSOP SSOP HVSON SSOP HVSON
Encapsulate equivalent code SOLCC16,.12,20 - SOLCC16,.12,20 SSOP16,.25 SSOP16,.25 SOLCC16,.12,20 SSOP16,.25 SOLCC16,.12,20
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 260 - 260 260 260 235 235 235
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm - 0.8 mm 1.75 mm 1.75 mm 0.8 mm 1.75 mm 0.8 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
Maximum switching frequency 1150 kHz - 1150 kHz 1150 kHz 1150 kHz 1150 kHz 1150 kHz 1150 kHz
technology CMOS - CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level OTHER - OTHER OTHER OTHER OTHER OTHER OTHER
Terminal surface Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD - NO LEAD GULL WING GULL WING NO LEAD GULL WING NO LEAD
Terminal pitch 0.5 mm - 0.5 mm 0.635 mm 0.635 mm 0.5 mm 0.635 mm 0.5 mm
Terminal location DUAL - DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 - 30 30 30 20 20 20
width 3 mm - 3 mm 3.899 mm 3.899 mm 3 mm 3.899 mm 3 mm
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