L7986TA

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Design Win

3 A step-down switching regulator

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Product overview

Description

The L7986TA is a step-down switching regulator with 3.7 A (min.) current limited embedded Power MOSFET, so it is able to deliver up to 3 A current to the load depending on the application conditions.

The input voltage can range from 4.5 V to 38 V, while the output voltage can be set starting from 0.6 V to VIN.

Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.

The HSOP package with exposed pad allows the reduction of RthJAdown to 40 °C/W.

  • All features

    • 3 A DC output current
    • 4.5 V to 38 V input voltage
    • Output voltage adjustable from 0.6 V
    • 250 kHz switching frequency, programmable up to 1 MHz
    • Internal soft-start and enable
    • Low dropout operation: 100% duty cycle
    • Voltage feed-forward
    • Zero load current operation
    • Overcurrent and thermal protection
    • HSOP8 package
    • Guarantee overtemperature range (-40 °C to 125 °C)

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All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      STEVAL-ISA100V1

      Active

      3 A step-down switching demonstration board based on the L7986A in HSOP8 package

      DC-DC Converter --
      STEVAL-ISA100V1

      Description:

      3 A step-down switching demonstration board based on the L7986A in HSOP8 package

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STMicroelectronics - L7986TA

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L7986TA
Active
PowerSO-8 Industrial Ecopack2
L7986TATR
Active
PowerSO-8 Industrial Ecopack2

L7986TA

Package:

PowerSO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L7986TATR

Package:

PowerSO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
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L7986TATR Available at distributors

Distributor availability of L7986TATR

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No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape and Reel PowerSO-8 - - PHILIPPINES
L7986TA Available at distributors

Distributor availability of L7986TA

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tube PowerSO-8 - - PHILIPPINES

L7986TATR Active

Package:
PowerSO-8
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L7986TATR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

PHILIPPINES

Distributor Name

Distributor reported inventory date:

L7986TA Active

Package:
PowerSO-8
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L7986TA

ECCN (EU):

NEC

Packing Type:

Tube

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

PHILIPPINES

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors