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LTC3526LEDC#TR

Description
IC SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6, 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6, Switching Regulator or Controller
CategoryPower/power management    The power supply circuit   
File Size342KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC3526LEDC#TR Overview

IC SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6, 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6, Switching Regulator or Controller

LTC3526LEDC#TR Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSON
package instructionHVSON, SOLCC6,.08,20
Contacts6
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5 V
Minimum input voltage0.5 V
Nominal input voltage1.2 V
JESD-30 codeS-PDSO-N6
JESD-609 codee0
length2 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC6,.08,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height0.8 mm
surface mountYES
Switch configurationBOOST
Maximum switching frequency1250 kHz
technologyCMOS
Temperature levelOTHER
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width2 mm
FEATURES
LTC3526L
550mA 1MHz Synchronous
Step-Up DC/DC Converters
in 2mm
×
2mm DFN
DESCRIPTIO
The LTC
®
3526L is a synchronous, fixed frequency step-up
DC/DC converter with output disconnect. Synchronous
rectification enables high efficiency in the low profile 2mm
×
2mm DFN package. Battery life in single AA/AAA powered
products is extended further with a 680mV start-up voltage
and operation down to 500mV once started.
A switching frequency of 1MHz minimizes solution foot-
print by allowing the use of tiny, low profile inductors
and ceramic capacitors. The current mode PWM design
is internally compensated, reducing external parts count.
The LTC3526L features Burst Mode operation at light load
conditions allowing it to maintain high efficiency over a
wide range of load. Anti-ring circuitry reduces EMI by
damping the inductor in discontinuous mode. Additional
features include a low shutdown current of under 1µA and
thermal shutdown.
The LTC3526L is housed in a 2mm
×
2mm
×
0.75mm
DFN package.
, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6498466, 6611131, 5481178, 6580258, 6304066.
Delivers 3.3V at 100mA from a Single Alkaline/
NiMH Cell or 3.3V at 200mA from Two Cells
V
IN
Start-Up Voltage: 680mV
1.5V to 5.25V V
OUT
Range
Up to 94% Efficiency
Output Disconnect
1MHz Fixed Frequency Operation
V
IN
> V
OUT
Operation
Integrated Soft-Start
Current Mode Control with Internal Compensation
Burst Mode
®
Operation with 9µA Quiescent Current
Internal Synchronous Rectifier
Logic Controlled Shutdown (I
Q
< 1µA)
Anti-Ringing Control
Low Profile (2mm
×
2mm
×
0.75mm)
DFN-6 Package
APPLICATIO S
Medical Instruments
Flash-Based MP3 Players
Noise Canceling Headphones
Wireless Mice
Bluetooth Headsets
TYPICAL APPLICATIO
4.7µH
Efficiency and Power Loss vs Load Current
100
90
80
V
IN
= 2.4V
EFFICIENCY
100
POWER LOSS (mW)
1000
SW
V
IN
1.6V TO 3.2V
4.7µF
OFF ON
V
IN
V
OUT
1.78M
EFFICIENCY (%)
V
OUT
3.3V
200mA
4.7µF
1M
3526 TA01a
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
0.01
1000
0.1
POWER LOSS
1
10
LTC3526L
SHDN
GND
FB
U
U
U
LOAD CURRENT (mA)
!# $ 6)>
3526lf
1

LTC3526LEDC#TR Related Products

LTC3526LEDC#TR LTC3526LEDC#TRM LTC3526LEDC
Description IC SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6, 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6, Switching Regulator or Controller IC SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6, 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6, Switching Regulator or Controller IC SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6, 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6, Switching Regulator or Controller
Is it lead-free? Contains lead Contains lead Contains lead
Is it Rohs certified? incompatible incompatible incompatible
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code SON SON SON
package instruction HVSON, SOLCC6,.08,20 HVSON, HVSON, SOLCC6,.08,20
Contacts 6 6 6
Reach Compliance Code not_compliant not_compliant _compli
ECCN code EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 5 V 5 V 5 V
Minimum input voltage 0.5 V 0.5 V 0.5 V
Nominal input voltage 1.2 V 1.2 V 1.2 V
JESD-30 code S-PDSO-N6 S-PDSO-N6 S-PDSO-N6
JESD-609 code e0 e0 e0
length 2 mm 2 mm 2 mm
Humidity sensitivity level 1 1 1
Number of functions 1 1 1
Number of terminals 6 6 6
Maximum operating temperature 85 °C 85 °C 85 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON HVSON
Package shape SQUARE SQUARE SQUARE
Package form 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
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm 0.8 mm
surface mount YES YES YES
Switch configuration BOOST BOOST BOOST
Maximum switching frequency 1250 kHz 1250 kHz 1250 kHz
Temperature level OTHER OTHER OTHER
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 20 20
width 2 mm 2 mm 2 mm
Encapsulate equivalent code SOLCC6,.08,20 - SOLCC6,.08,20
technology CMOS - CMOS
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