LTC3621EDCB-23.3#TRMPBF
ActiveCONV DC-DC 2.7V TO 17V SYNCHRONOUS STEP DOWN SINGLE-OUT 3.3V 1A 6-PIN DFN EP T/R
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LTC3621EDCB-23.3#TRMPBF
ActiveCONV DC-DC 2.7V TO 17V SYNCHRONOUS STEP DOWN SINGLE-OUT 3.3V 1A 6-PIN DFN EP T/R
Technical Specifications
Parameters and characteristics for this part
| Specification | LTC3621EDCB-23.3#TRMPBF |
|---|---|
| Current - Output | 1 A |
| Frequency - Switching | 2.25 MHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | 1.81 mOhm |
| Package / Case | 6-WFDFN Exposed Pad |
| Supplier Device Package | 6-DFN (2x3) |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 17 V |
| Voltage - Input (Min) [Min] | 2.7 V |
| Voltage - Output (Min/Fixed) | 3.3 V |
LTC3621 Series
17V, 1A Synchronous Step-Down Regulator with 3.5μA Quiescent Current
| Part | Topology | Voltage - Input (Min) [Min] | Operating Temperature [Min] | Operating Temperature [Max] | Synchronous Rectifier | Number of Outputs | Output Type | Voltage - Output (Min/Fixed) | Frequency - Switching | Voltage - Input (Max) [Max] | Function | Output Configuration | Current - Output | Supplier Device Package | Mounting Type | Package / Case | Package / Case [custom] | Voltage - Output (Max) [Max] | Output Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Analog Devices | Buck | 2.7 V | -40 °C | 125 ¯C | 1 | 1.81 mOhm | 3.3 V | 1 MHz | 17 V | Step-Down | Positive | 1 A | 6-DFN (2x3) | Surface Mount | 6-WFDFN Exposed Pad | ||||
Analog Devices | Buck | 2.7 V | -40 °C | 125 ¯C | 1 | 1.81 mOhm | 3.3 V | 1 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | |||
Analog Devices | Buck | 2.7 V | -40 °C | 150 °C | 1 | 0.6 V | 1 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | 17 V | Adjustable | ||
Analog Devices | Buck | 2.7 V | -40 °C | 150 °C | 1 | 0.6 V | 2.25 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | 17 V | Adjustable | ||
Analog Devices | Buck | 2.7 V | -40 °C | 150 °C | 1 | 1.81 mOhm | 3.3 V | 2.25 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | |||
Analog Devices | Buck | 2.7 V | -40 °C | 125 ¯C | 1 | 0.6 V | 1 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | 17 V | Adjustable | ||
Analog Devices | Buck | 2.7 V | -40 °C | 150 °C | 1 | 1.81 mOhm | 3.3 V | 1 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | |||
Analog Devices | Buck | 2.7 V | -40 °C | 125 ¯C | 1 | 1.81 mOhm | 3.3 V | 2.25 MHz | 17 V | Step-Down | Positive | 1 A | 8-MSOP-EP | Surface Mount | 8-MSOP 8-TSSOP Exposed Pad | 0.118 in 3 mm | |||
Analog Devices | Buck | 2.7 V | -40 °C | 125 ¯C | 1 | 1.81 mOhm | 3.3 V | 2.25 MHz | 17 V | Step-Down | Positive | 1 A | 6-DFN (2x3) | Surface Mount | 6-WFDFN Exposed Pad | ||||
Analog Devices | Buck | 2.7 V | -40 °C | 125 ¯C | 1 | 0.6 V | 1 MHz | 17 V | Step-Down | Positive | 1 A | 6-DFN (2x3) | Surface Mount | 6-WFDFN Exposed Pad | 17 V | Adjustable |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 500 | $ 4.79 | |
| 1000 | $ 4.17 | |||
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