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LT3690HUFE#TRPBF The LT3690HUFE#TRPBF is a synchronous step-down switching regulator from Analog Devices. It operates from a 3.9V to 36V input and delivers up to 4A of adjustable output current.
Mfr Part #:

LT3690HUFE#TRPBF

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The LT3690HUFE#TRPBF is a synchronous step-down switching regulator from Analog Devices. It operates from a 3.9V to 36V input and delivers up to 4A of adjustable output current.
✓ Total Stock: 288 pcs
$ Price Range: $1.08

LT3690HUFE#TRPBF Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
288 pcs
On Request
288 pcs On Request 1 On Request On Request On Request On Request On Request
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LT3690HUFE#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 Current
Output Type
Supplier Device Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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LT3690HUFE#TRPBF Description

Short technical summary and product information.

The LT3690HUFE#TRPBF is a monolithic buck switching regulator from Analog Devices, designed for applications requiring input voltages up to 36V. It features an integrated 30mΩ N-channel synchronous switch for high efficiency and eliminates the need for an external Schottky diode. This regulator supports an output current of up to 4A and offers an adjustable output voltage ranging from 0.8V to 20V.

 

The device operates with a programmable switching frequency between 138kHz and 1.5MHz, allowing for optimization of efficiency and component size. It includes features such as low ripple Burst Mode operation, programmable undervoltage lockout, and a power good flag. The LT3690HUFE#TRPBF is housed in a thermally enhanced 4mm x 6mm QFN package, suitable for surface mounting.

 

Key electrical specifications include a wide input voltage range of 3.9V to 36V and a maximum output current of 4A. The operating temperature range is -40°C to 150°C (TJ). The regulator utilizes a buck topology and has a synchronous rectifier, though specified as 'No' in the database, indicating it's an internal synchronous switch. The output configuration is positive and the output type is adjustable.

LT3690HUFE#TRPBF Quick Information

Product Type: DC-DC Switching Regulator
Canonical Name: LT3690HUFE#TRPBF Synchronous Step-Down Switching Regulator
Subcategory: Buck Converter

LT3690HUFE#TRPBF Compliance

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

LT3690HUFE#TRPBF Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

LT3690HUFE#TRPBF Features

  • 36V maximum input voltage capability.
  • Delivers up to 4A of output current.
  • Adjustable output voltage from 0.8V to 20V.
  • Switching frequency up to 1.5MHz.
  • Operates from -40°C to 150°C junction temperature.

LT3690HUFE#TRPBF Applications

  • Industrial power supply regulation.
  • Automotive battery-powered systems.
  • Distributed power architectures.
  • Point-of-load regulation for FPGAs.
  • Telecom and networking equipment.

LT3690HUFE#TRPBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3690HUFE#TRPBF?

3.9V to 36V.

What is the output voltage range?

Adjustable from 0.8V to 20V.

What is the maximum output current?

4A.

What is the switching frequency range?

138kHz to 1.5MHz.

What is the operating temperature range?

-40°C to 150°C (junction).

What package does the LT3690HUFE#TRPBF come in?

26-WFQFN Exposed Pad (4x6mm).

What topology does this regulator use?

Buck (step-down).

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