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Datasheet> All Categories > Power/power management> The power supply circuit> LTC3410BESC6-1.875#PBF
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LTC3410BESC6-1.875#PBF

Description
Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70
CategoryPower/power management    The power supply circuit   
File Size267KB，16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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LTC3410BESC6-1.875#PBF Overview

Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

LTC3410BESC6-1.875#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionVSSOP,
Contacts6
Manufacturer packaging code05-08-1638
Reach Compliance Codecompliant
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage2.5 V
Nominal input voltage3.6 V
JESD-30 codeR-PDSO-G6
JESD-609 codee3
length2 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature
Maximum output current0.63 A
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency2700 kHz
Temperature levelOTHER
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width1.25 mm

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LTC3410B
2.25MHz, 300mA
Synchronous Step-Down
Regulator in SC70
FEATURES
■
■
■
■
■
■
■
■
■
■
■
■
■
■
DESCRIPTIO
High Efficiency: Up to 96%
300mA Output Current at V
IN
= 3V
380mA Minimum Peak Switch Current
2.5V to 5.5V Input Voltage Range
2.25MHz Constant Frequency Operation
No Schottky Diode Required
Low Dropout Operation: 100% Duty Cycle
Stable with Ceramic Capacitors
0.8V Reference Allows Low Output Voltages
Shutdown Mode Draws < 1µA Supply Current
±2%
Output Voltage Accuracy
Current Mode Operation for Excellent Line and
Load Transient Response
Overtemperature Protected
Available in Low Profile SC70 Package
The LTC
®
3410B is a high efficiency monolithic synchro-
nous buck regulator using a constant frequency, current
mode architecture. The device is available in adjustable
and fixed output voltage versions. Supply current during
operation is only 200µA, dropping to <1µA in shutdown.
The 2.5V to 5.5V input voltage range makes the LTC3410B
ideally suited for single Li-Ion battery-powered applica-
tions. 100% duty cycle provides low dropout operation,
extending battery life in portable systems. PWM pulse
skipping mode operation provides very low output ripple
voltage for noise sensitive applications.
Switching frequency is internally set at 2.25MHz, allowing
the use of small surface mount inductors and capacitors.
The LTC3410B is specifically designed to work well with
ceramic output capacitors, achieving very low output
voltage ripple and a small PCB footprint.
The internal synchronous switch increases efficiency and
eliminates the need for an external Schottky diode. Low
output voltages are easily supported with the 0.8V feed-
back reference voltage. The LTC3410B is available in a
tiny, low profile SC70 package.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All
other trademarks are the property of their respective owners. Protected by U.S. Patents,
including 5481178, 5994885, 6580258, 6304066, 6127815, 6498466, 6611131.
APPLICATIO S
■
■
■
■
■
■
Cellular Telephones
Personal Information Appliances
Wireless and DSL Modems
Digital Still Cameras
MP3 Players
Portable Instruments
TYPICAL APPLICATIO
V
IN
2.7V
TO 5.5V
V
IN
RUN
V
FB
GND
SW
Efficiency and Power Loss
vs Output Current
100
90
1
EFFICIENCY
0.1
4.7µH
C
IN
2.2µF
CER
LTC3410B
10pF
C
OUT
2.2µF
CER
V
OUT
1.2V
EFFICIENCY (%)
80
70
60
50
40
30
20
20
0
1
232k
464k
3410 TA01
U
POWER LOSS (W)
POWER LOSS
0.01
0.001
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
10
100
OUTPUT CURRENT (mA)
0.0001
1000
3410 TA01b
U
U
3410bfa
1

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Description Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Voltage Regulators LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Switching Regulator LTC3410B - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70
Is it Rohs certified? conform to incompatible incompatible incompatible incompatible incompatible incompatible incompatible conform to incompatible
package instruction VSSOP, PLASTIC, MO-203AB, SC-70, 6 PIN PLASTIC, MO-203AB, SC-70, 6 PIN VSSOP, VSSOP, VSSOP, PLASTIC, MO-203AB, SC-70, 6 PIN VSSOP, LEAD FREE, PLASTIC, MO-203AB, SC-70, 6 PIN PLASTIC, MO-203AB, SC-70, 6 PIN
Reach Compliance Code compliant not_compliant not_compliant not_compliant not_compliant not_compliant not_compliant not_compliant compliant not_compliant
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 5.5 V 5.5 V 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 input voltage 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 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 3.6 V 3.6 V 3.6 V
JESD-30 code R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6
JESD-609 code e3 e0 e0 e0 e0 e0 e0 e0 e3 e0
length 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm 2 mm
Humidity sensitivity level 1 1 1 1 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1 1 1 1 1
Number of terminals 6 6 6 6 6 6 6 6 6 6
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
Maximum output current 0.63 A 0.63 A 0.63 A 0.63 A 0.63 A 0.63 A 0.63 A 0.63 A 0.63 A 0.63 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code VSSOP VSSOP VSSOP VSSOP VSSOP VSSOP VSSOP VSSOP VSSOP VSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH 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) 260 235 235 235 235 235 235 235 260 235
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm
surface mount YES YES YES YES YES YES YES YES YES YES
Switch configuration BUCK BUCK BUCK BUCK BUCK BUCK BUCK BUCK BUCK BUCK
Maximum switching frequency 2700 kHz 2700 kHz 2700 kHz 2700 kHz 2700 kHz 2700 kHz 2700 kHz 2700 kHz 2700 kHz 2700 kHz
Temperature level OTHER COMMERCIAL EXTENDED COMMERCIAL EXTENDED OTHER OTHER OTHER COMMERCIAL EXTENDED OTHER OTHER COMMERCIAL EXTENDED
Terminal surface Matte Tin (Sn) 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) Matte Tin (Sn) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 20 20 20 20 20 20 20 30 20
width 1.25 mm 1.25 mm 1.25 mm 1.25 mm 1.25 mm 1.25 mm 1.25 mm 1.25 mm 1.25 mm 1.25 mm
Maker ADI ADI ADI - ADI ADI ADI ADI ADI ADI
ECCN code - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 - EAR99

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