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LTC3621EMS8E-2#PBF - 8-MSOP-EP

LTC3621EMS8E-2#PBF

Active
Analog Devices Inc

LTC3621 - 17V, 1A SYNCHRONOUS STEP-DOWN REGULATOR WITH 3.5µA QUIESCENT CURRENT; PACKAGE: MSOP; PINS: 8; TEMPERATURE RANGE: -40°C TO 85°C

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DocumentsDatasheetR539 Reliability Data+1
LTC3621EMS8E-2#PBF - 8-MSOP-EP

LTC3621EMS8E-2#PBF

Active
Analog Devices Inc

LTC3621 - 17V, 1A SYNCHRONOUS STEP-DOWN REGULATOR WITH 3.5µA QUIESCENT CURRENT; PACKAGE: MSOP; PINS: 8; TEMPERATURE RANGE: -40°C TO 85°C

Deep-Dive with AI

DocumentsDatasheetR539 Reliability Data+1

Technical Specifications

Parameters and characteristics commom to parts in this series

SpecificationLTC3621EMS8E-2#PBFLTC3621 Series
Current - Output1 A1 A
Frequency - Switching2.25 MHz1 - 2.25 MHz
FunctionStep-DownStep-Down
Mounting TypeSurface MountSurface Mount
Number of Outputs11
Operating Temperature [Max]125 ¯C125 - 150 ¯C
Operating Temperature [Min]-40 °C-40 °C
Output ConfigurationPositivePositive
Output TypeAdjustableAdjustable
Output Type-27.03 °C/W
Package / CaseExposed Pad, 8-MSOP, 8-TSSOPExposed Pad, 8-MSOP, 8-TSSOP, 6-WFDFN Exposed Pad
Package / Case [x]0.118 in0.118 in
Package / Case [x]3 mm3 mm
Supplier Device Package8-MSOP-EP8-MSOP-EP, 6-DFN (2x3)
Synchronous RectifierTrueTrue
TopologyBuckBuck
Voltage - Input (Max) [Max]17 V17 V
Voltage - Input (Min) [Min]2.7 V2.7 V
Voltage - Output (Max) [Max]17 V17 V
Voltage - Output (Min/Fixed)0.6 V0.6 - 5 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
Analog Devices IncN/A 1$ 9.16
10$ 6.33
25$ 5.60
100$ 4.79
250$ 4.39
500$ 4.15
1000$ 3.95
2500$ 3.84
DigiKeyN/A 1$ 8.64
10$ 5.82
50$ 4.63
100$ 4.25
250$ 3.84
500$ 3.78
DigikeyTube 1$ 9.16
10$ 6.33
25$ 5.60
100$ 4.79
250$ 4.39
500$ 4.15
1000$ 3.95
2500$ 3.84
FarnellN/A 1$ 8.93
10$ 6.17
50$ 5.46
100$ 4.66
250$ 4.27
500$ 4.06
Mouser ElectronicsN/A 1$ 9.16
10$ 5.61
50$ 5.60
100$ 4.78
250$ 4.38
500$ 4.14
1000$ 3.94
Richardson RFPDN/A 150$ 4.35
500$ 4.23
1000$ 4.12
5000$ 3.97

LTC3621 Series

17V, 1A Synchronous Step-Down Regulator with 3.5μA Quiescent Current

PartFunctionSynchronous RectifierFrequency - SwitchingOperating Temperature [Max]Operating Temperature [Min]Package / Case [x]Package / Case [x]Package / CaseOutput TypeVoltage - Output (Min/Fixed)Number of OutputsSupplier Device PackageTopologyMounting TypeVoltage - Input (Min) [Min]Current - OutputVoltage - Input (Max) [Max]Output ConfigurationOutput TypeVoltage - Output (Max) [Max]
Analog Devices Inc
LTC3621EMS8E-5#PBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EMS8E#PBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621EDCB-25#TRMPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
5 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IDCB-3.3#TRMPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621EDCB-2
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621HMS8E-5#PBF
Step-Down
1 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB-3.3#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IMS8E-5#PBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IMS8E#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621IDCB-5
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
5 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB-5#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
5 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621HMS8E-3.3#TRPBF
Step-Down
1 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
3.3 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621HMS8E-5#TRPBF
Step-Down
1 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IDCB-23.3
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621HMS8E-23.3#PBF
Step-Down
2.25 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
3.3 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IDCB#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621IDCB-2#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621HMS8E-3.3#PBF
Step-Down
1 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
3.3 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EMS8E-2#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621EDCB-5
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
5 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EMS8E#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621HMS8E-25#TRPBF
Step-Down
2.25 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EMS8E-25#PBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EMS8E-2#PBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621IMS8E-23.3#PBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
3.3 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EMS8E-23.3#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
3.3 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IMS8E-25#PBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB-23.3#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB-2#TRMPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621IDCB-5#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
5 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621HMS8E#TRPBF
Step-Down
1 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621IDCB-23.3#TRMPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB#TRMPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621EMS8E-25#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB-25#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
5 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621EDCB-3.3
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621HMS8E-2#PBF
Step-Down
2.25 MHz
150 C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
0.6 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621EDCB-23.3#TRMPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IMS8E-5#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
5 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IDCB
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
0.6 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Adjustable
17 V
Analog Devices Inc
LTC3621IMS8E-3.3#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
0.118 in
3 mm
8-MSOP, 8-TSSOP, Exposed Pad
27.03 °C/W
3.3 V
1
8-MSOP-EP
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IDCB-23.3#TRPBF
Step-Down
2.25 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive
Analog Devices Inc
LTC3621IDCB-3.3#TRPBF
Step-Down
1 MHz
125 ¯C
-40 °C
6-WFDFN Exposed Pad
27.03 °C/W
3.3 V
1
6-DFN (2x3)
Buck
Surface Mount
2.7 V
1 A
17 V
Positive

Description

General part information

LTC3621 Series

The LTC3621/LTC3621-2 is a high efficiency 17V, 1A synchronous monolithic step-down regulator. The switching frequency is fixed to 1MHz or 2.25MHz with a ±40% synchronizing range. The regulator features ultralow quiescent current and high efficiencies over a wide VOUTrange.The step-down regulator operates from an input voltage range of 2.7V to 17V and provides an adjustable output range from 0.6V to VINwhile delivering up to 1A of output current. A user-selectable mode input is provided to allow the user to trade off ripple noise for light load efficiency; Burst Mode operation provides the highest efficiency at light loads, while pulse-skipping mode provides the lowest voltage ripple. The MODE pin can also be used to allow the user to sync the switching frequency to an external clock.LTC3621 OptionsPart NameFrequencyVOUTLTC36211.00MHzAdjustableLTC3621-3.31.00MHz3.3VLTC3621-51.00MHz5VLTC3621-22.25MHzAdjustableLTC3621-23.32.25MHz3.3LTC3621-252.25MHz5VAPPLICATIONSPortable-Handheld ScannersIndustrial and Embedded ComputingAutomotive ApplicationsEmergency Radio