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                                                                                                      1. Home
                                                                                                      2. Semiconductors - ICs
                                                                                                      3. Power Management ICs - PMIC
                                                                                                      4. Voltage Regulators
                                                                                                      5. DC / DC Switching Regulators
                                                                                                      Print Page

                                                                                                      LT8609AEMSE#TRPBF

                                                                                                      DC-DC Switching Synchronous Buck Regulator, Adjustable, 3 to 42 V in, 0.8V/3A out, MSOP-EP-10

                                                                                                      ANALOG DEVICES LT8609AEMSE#TRPBF
                                                                                                      Image is for illustrative purposes only. Please refer to product description.
                                                                                                      ManufacturerANALOG DEVICES
                                                                                                      Manufacturer Part NoLT8609AEMSE#TRPBF
                                                                                                      Order Code4025044
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      See all Technical Docs
                                                                                                      Packaging Options
                                                                                                      2,792 In Stock

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                                                                                                      QuantityPrice
                                                                                                      1+Rs.710.790
                                                                                                      10+Rs.507.210
                                                                                                      25+Rs.443.700
                                                                                                      100+Rs.370.620
                                                                                                      250+Rs.359.710
                                                                                                      500+Rs.348.790
                                                                                                      2500+Rs.337.870
                                                                                                      Price for:Each (Supplied on Cut Tape)
                                                                                                      Minimum: 1
                                                                                                      Multiple: 1
                                                                                                      Rs.710.79
                                                                                                      Enter Your Part No/Line Note
                                                                                                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                      Product Information

                                                                                                      ManufacturerANALOG DEVICES
                                                                                                      Manufacturer Part NoLT8609AEMSE#TRPBF
                                                                                                      Order Code4025044
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      Output TypeAdjustable
                                                                                                      No. of Outputs1Outputs
                                                                                                      TopologySynchronous Buck (Step Down)
                                                                                                      Input Voltage Min3V
                                                                                                      Input Voltage Max42V
                                                                                                      Max Output Current3A
                                                                                                      Output Current3A
                                                                                                      IC Case / PackageMSOP-EP
                                                                                                      No. of Pins10Pins
                                                                                                      IC MountingSurface Mount
                                                                                                      Output Voltage - Nom-
                                                                                                      Output Voltage Min800mV
                                                                                                      Output Voltage Max-
                                                                                                      Switching Frequency Typ2MHz
                                                                                                      Efficiency93%
                                                                                                      Operating Temperature Min-40°C
                                                                                                      Operating Temperature Max125°C
                                                                                                      Product Range-
                                                                                                      Qualification-
                                                                                                      MSLMSL 1 - Unlimited
                                                                                                      SVHCNo SVHC (21-Jan-2025)
                                                                                                      DC / DC Converter IC CaseMSOP-EP
                                                                                                      Automotive Qualification Standard-
                                                                                                      Switching Frequency2MHz

                                                                                                      Product Overview

                                                                                                      LT8609A is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7µA of non-switching quiescent current. It can deliver 3A of continuous current. Burst mode operation enables high efficiency down to very low output currents while keeping the output ripple below 10mVP-P. A SYNC pin allows synchronization to an external clock, or spread spectrum modulation for low EMI operation. Internal compensation with peak current mode topology allows the use of small inductors and results in fast transient response and good loop stability. The EN/UV pin has an accurate 1V threshold and can be used to program VIN UVLO or to shut down the part. A capacitor on the TR/SS pin programs the output voltage ramp rate during start-up while the PG flag signals when VOUT is within ±8.5% on the adjustable output parts or ±7.5% on the fixed output parts of the programmed output voltage as well as fault conditions.

                                                                                                      • Pulse skipping mode, burst mode operation, medium switch edge mode
                                                                                                      • Wide input voltage range from 3V to 42V, ultralow quiescent current Burst Mode® operation
                                                                                                      • Typical oscillator frequency of 200KHz (RT = 221k, ILOAD = 0.5A)
                                                                                                      • 3A maximum continuous output, fast minimum switch-on time of 45ns
                                                                                                      • Adjustable and synchronizable: 200KHz to 2.2MHz
                                                                                                      • Allows use of small inductor, low drop-out peak current mode operation
                                                                                                      • Accurate 1V enable pin threshold, internal compensation, output soft-start and tracking
                                                                                                      • Spread spectrum frequency modulation for low EMI
                                                                                                      • 10-lead plastic MSOP package, -40°C to 125°C temperature range
                                                                                                      • Suitable for use in GSM transceivers, general purpose step-down, low EMI step-down

                                                                                                      Notes

                                                                                                      ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party

                                                                                                      Technical Specifications

                                                                                                      Output Type

                                                                                                      Adjustable

                                                                                                      Topology

                                                                                                      Synchronous Buck (Step Down)

                                                                                                      Input Voltage Max

                                                                                                      42V

                                                                                                      Output Current

                                                                                                      3A

                                                                                                      No. of Pins

                                                                                                      10Pins

                                                                                                      Output Voltage - Nom

                                                                                                      -

                                                                                                      Output Voltage Max

                                                                                                      -

                                                                                                      Efficiency

                                                                                                      93%

                                                                                                      Operating Temperature Max

                                                                                                      125°C

                                                                                                      Qualification

                                                                                                      -

                                                                                                      SVHC

                                                                                                      No SVHC (21-Jan-2025)

                                                                                                      Automotive Qualification Standard

                                                                                                      -

                                                                                                      No. of Outputs

                                                                                                      1Outputs

                                                                                                      Input Voltage Min

                                                                                                      3V

                                                                                                      Max Output Current

                                                                                                      3A

                                                                                                      IC Case / Package

                                                                                                      MSOP-EP

                                                                                                      IC Mounting

                                                                                                      Surface Mount

                                                                                                      Output Voltage Min

                                                                                                      800mV

                                                                                                      Switching Frequency Typ

                                                                                                      2MHz

                                                                                                      Operating Temperature Min

                                                                                                      -40°C

                                                                                                      Product Range

                                                                                                      -

                                                                                                      MSL

                                                                                                      MSL 1 - Unlimited

                                                                                                      DC / DC Converter IC Case

                                                                                                      MSOP-EP

                                                                                                      Switching Frequency

                                                                                                      2MHz

                                                                                                      Technical Docs (2)

                                                                                                      Product Change Notice EN

                                                                                                      Technical Data Sheet EN

                                                                                                      Legislation and Environmental

                                                                                                      Country of Origin:
                                                                                                      Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                      Philippines
                                                                                                      Country in which last significant manufacturing process was carried out
                                                                                                      Tariff No:85365090
                                                                                                      US ECCN:EAR99
                                                                                                      EU ECCN:NLR
                                                                                                      RoHS Compliant:Yes

                                                                                                      RoHS

                                                                                                      RoHS Phthalates Compliant:Yes

                                                                                                      RoHS

                                                                                                      SVHC:No SVHC (21-Jan-2025)
                                                                                                      Download Product Compliance Certificate

                                                                                                      Product Compliance Certificate

                                                                                                      Weight (kg):.000064
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