LT3688EUF#TRPBF The LT3688EUF#TRPBF is an adjustable frequency dual monolithic step-down switching regulator from Analog Devices. It operates from a 3.8V to 36V input range and provides up to 800mA output current per channel.
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LT3688EUF#TRPBF

Available from 1 distributors
Mfr Name: LT
LT
The LT3688EUF#TRPBF is an adjustable frequency dual monolithic step-down switching regulator from Analog Devices. It operates from a 3.8V to 36V input range and provides up to 800mA output current per channel.
✓ Total Stock: 803 pcs

LT3688EUF#TRPBF Available from 1 distributor

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LT3688EUF#TRPBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LT3688EUF#TRPBF Description

Short technical summary and product information.

The LT3688EUF#TRPBF is a versatile dual monolithic step-down switching regulator manufactured by Analog Devices. It offers an adjustable switching frequency ranging from 350kHz to 2.2MHz, allowing for optimization of efficiency and component size.

 

Designed for wide input voltage applications, this regulator operates from 3.8V up to 36V. Each of its two outputs can deliver up to 800mA of current. Key features include low ripple Burst Mode operation, maintaining high efficiency at low output currents with quiescent current as low as 115μA. It also incorporates two independently programmable power-on reset timers and a programmable, defeatable window watchdog timer for enhanced system reliability.

 

The LT3688EUF#TRPBF is available in a thermally enhanced 24-pin QFN package with an exposed pad for improved thermal performance. This package type is suitable for surface mount applications.

 

Typical applications include automotive electronic control units, industrial power supplies, and high-reliability microprocessor systems where stable and efficient power conversion is critical.

LT3688EUF#TRPBF Quick Information

Product Type: Voltage Regulator - DC-DC Switching
Series: LT3688
Canonical Name: LT3688EUF#TRPBF Adjustable Frequency Dual Monolithic Step-Down Switching Regulator
Subcategory: DC-DC Switching Regulator

LT3688EUF#TRPBF Compliance

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

LT3688EUF#TRPBF Features

  • Adjustable frequency dual step-down regulator.
  • Wide 3.8V to 36V input voltage range.
  • 800mA output current per channel.
  • Low ripple Burst Mode operation.
  • Includes reset and watchdog timers.

LT3688EUF#TRPBF Applications

  • Dual rail power supply for FPGAs and microcontrollers.
  • Automotive power management for infotainment systems.
  • Industrial control systems requiring multiple regulated voltages.
  • Battery-powered equipment with low quiescent current needs.
  • Systems requiring watchdog timer supervision.

LT3688EUF#TRPBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3688EUF#TRPBF?

The input voltage range is 3.8V to 36V.

What is the operating temperature range of the LT3688EUF#TRPBF?

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

What package is the LT3688EUF#TRPBF available in?

It is available in a 24-WFQFN exposed pad package, supplied as a 24-QFN (4x4).

What is the switching frequency range of the LT3688EUF#TRPBF?

The switching frequency is adjustable from 350kHz to 2.2MHz.

Does the LT3688EUF#TRPBF have a synchronous rectifier?

No, it does not have a synchronous rectifier.

What is the quiescent current of the LT3688EUF#TRPBF?

The input quiescent current is 115μA.

Is the LT3688EUF#TRPBF synchronizable to an external clock?

Yes, the device is synchronizable.

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