LTC7149IUFD#PBF The Analog Devices LTC7149IUFD#PBF is a high-efficiency, 60V, 4A synchronous monolithic step-down regulator designed for inverting output applications. It offers an adjustable output voltage and a wide input voltage range.
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LTC7149IUFD#PBF

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices LTC7149IUFD#PBF is a high-efficiency, 60V, 4A synchronous monolithic step-down regulator designed for inverting output applications. It offers an adjustable output voltage and a wide input voltage range.
✓ Total Stock: 2 pcs
$ Price Range: $1.08

LTC7149IUFD#PBF Available from 1 distributor

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LTC7149IUFD#PBF Specifications Quick View

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

LTC7149IUFD#PBF Description

Short technical summary and product information.

The LTC7149IUFD#PBF from Analog Devices is a versatile 60V, 4A synchronous monolithic step-down regulator specifically designed for inverting output applications. It operates from an input voltage range of 3.4V to 60V and provides an adjustable output voltage from 0V down to -28V.

 

Key features include single resistor output voltage programming, integrated 110mΩ top and 50mΩ bottom N-channel MOSFETs, and a programmable switching frequency from 300kHz to 3MHz. The regulator achieves high efficiency, up to 92% at 12V VIN and -5V VOUT, and offers ±0.8% output voltage accuracy. It supports both Burst Mode operation for high light-load efficiency and forced continuous mode for low output ripple.

 

This device is available in a 28-lead QFN (4x5mm) package, suitable for surface mounting. It is well-suited for industrial applications, telecom power supplies, and distributed power systems requiring stable and efficient negative voltage regulation.

LTC7149IUFD#PBF Quick Information

Product Type: DC DC Switching Regulator
Series: LTC7149
Canonical Name: LTC7149IUFD#PBF 60V, 4A Synchronous Monolithic Step-Down Regulator for Inverting Output
Subcategory: DC-DC Switching Regulator

LTC7149IUFD#PBF Compliance

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

LTC7149IUFD#PBF Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

LTC7149IUFD#PBF Features

  • High efficiency 60V, 4A step-down regulator.
  • Inverting output applications supported.
  • Adjustable output voltage from 0V to -28V.
  • Programmable switching frequency 300kHz to 3MHz.
  • Integrated MOSFETs for high performance.

LTC7149IUFD#PBF Applications

  • Generating negative supply rails from positive inputs.
  • Used in industrial and automotive power systems.
  • Suitable for distributed power architectures.
  • Ideal for RF amplifier bias supplies.

LTC7149IUFD#PBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LTC7149IUFD#PBF?

The input voltage range is 3.4V to 60V.

What package is the LTC7149IUFD#PBF available in?

The device is available in a 28-QFN (4x5) package with exposed pad (28-WFQFN).

What is the operating temperature range?

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

What is the maximum output current?

The maximum output current is 4A.

What is the switching frequency range?

The switching frequency is programmable from 300kHz to 3MHz using an external resistor.

What is the typical efficiency?

The typical efficiency is 92% at 12VIN, -5VOUT.

What is the output voltage range?

The output voltage is adjustable from 0V to -28V.

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