LT3685EDD#TRPBF The LT3685EDD#TRPBF is a 2A adjustable frequency step-down switching regulator from Analog Devices. It operates from a wide input voltage range and features a low shutdown current.
Mfr Part #:

LT3685EDD#TRPBF

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The LT3685EDD#TRPBF is a 2A adjustable frequency step-down switching regulator from Analog Devices. It operates from a wide input voltage range and features a low shutdown current.
✓ Total Stock: 22,500 pcs
$ Price Range: $1.08

LT3685EDD#TRPBF Available from 1 distributor

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✓ Non-Authorised
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22,500 pcs
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LT3685EDD#TRPBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

LT3685EDD#TRPBF Description

Short technical summary and product information.

The LT3685EDD#TRPBF is a monolithic step-down switching regulator manufactured by Analog Devices. It is designed to accept input voltages from 3.6V up to 36V, with overvoltage protection capable of withstanding transients up to 60V. This regulator can deliver up to 2A of output current.

 

Featuring an adjustable switching frequency range from 200kHz to 2.4MHz, the LT3685EDD#TRPBF allows for the use of small external components, minimizing solution size and output ripple. It incorporates an internal switch with a low 0.25Ω on-resistance for high efficiency. The device also includes a power good flag, soft-start capability, and a low shutdown current of less than 1µA.

 

The LT3685EDD#TRPBF is available in a 10-pin DFN package with an exposed pad for enhanced thermal performance. This package type is suitable for surface mount applications. Its adjustable output voltage capability makes it versatile for various power management needs.

 

Applications for this regulator include automotive battery regulation, set-top boxes, distributed supply regulation, and industrial power supplies. The current mode topology ensures fast transient response and good loop stability.

LT3685EDD#TRPBF Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: LT3685EDD#TRPBF Step-Down Switching Regulator
Subcategory: DC DC Switching Regulator

LT3685EDD#TRPBF Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LT3685EDD#TRPBF Estimated Pricing

Qty Low High
1+ $1.08 $1.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

LT3685EDD#TRPBF Features

  • 2A maximum output current capability.
  • Wide 3.6V to 36V input voltage range.
  • Adjustable switching frequency up to 2.4MHz.
  • Low 0.25Ω switch on-resistance.
  • Integrated boost diode and soft-start.

LT3685EDD#TRPBF Applications

  • Automotive battery regulation applications.
  • Suitable for set-top box power.
  • Used in distributed supply designs.
  • Ideal for industrial power supplies.

LT3685EDD#TRPBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3685EDD#TRPBF?

The input voltage range is 3.6V to 36V (maximum 40V overvoltage lockout).

What is the output voltage range?

The output voltage is adjustable from 0.79V to 20V.

What is the operating temperature range?

The junction temperature range is -40°C to 125°C.

What package does the LT3685EDD#TRPBF come in?

The LT3685EDD#TRPBF is available in a 10-lead DFN (3x3mm) package with exposed pad.

What is the switching frequency range?

The switching frequency is programmable from 200kHz to 2.4MHz and can be synchronized from 250kHz to 2MHz.

What is the output current capability?

The device can deliver up to 2A continuous output current.

What is the shutdown current?

The shutdown current is less than 1µA.

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