L6986

Active
Education

38 V 2 A synchronous step-down switching regulator with 30 uA quiescent current

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  • The L6986 device is a step-down monolithic switching regulator able to deliver up to 2 A DC. The output voltage adjustability ranges from 0.85 V to VIN. Thanks to the P-channel MOSFET high-side power element, the device features 100% duty cycle operation. The wide input voltage range meets the specification for the 5 V, 12 V and 24 V power supplies. The “Low Consumption Mode” (LCM) is designed for applications active during idle mode, so it maximizes the efficiency at light load with controlled output voltage ripple. The “Low Noise Mode” (LNM) makes the switching frequency constant overload current range, meeting the low noise application specification. The output voltage supervisor manages the reset phase for any digital load (μC, FPGA, etc.). The RST open collector output can also implement output voltage sequencing during the power-up phase. The synchronous rectification, designed for high efficiency at medium - heavy load, and the high switching frequency capability make the size of the application compact. Pulse by pulse current sensing on both power elements implements an effective constant current protection.

    Key Features

    • 2 A DC output current
    • 4 V to 38 V operating input voltage
    • Low consumption mode or low noise mode
    • 30 μA IQ at light load (LCM VOUT = 3.3 V)
    • 8 μA IQ-SHTDWN
    • Adjustable fSW (250 kHz - 2 MHz)
    • Output voltage adjustable from 0.85 V to VIN
    • Embedded output voltage supervisor
    • Synchronization
    • Adjustable soft-start time
    • Internal current limiting
    • Overvoltage protection
    • Output voltage sequencing
    • Peak current mode architecture
    • RDSON HS = 180 mΩ, RDSON LS = 150 mΩ
    • Thermal shutdown

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    • Part number
      Status
      Description
      Type
      Supplier

      STEVAL-ISA156V1

      Active

      38 V, 2 A synchronous step-down switching regulator evaluation board based on the L6986

      PSU and Converter Solution Eval Boards ST
      STEVAL-ISA156V1

      Description:

      38 V, 2 A synchronous step-down switching regulator evaluation board based on the L6986

CAD/EDA Symbols, Footprints and Models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6986
Active
HTSSOP16 Industrial Ecopack2
L6986TR
Active
HTSSOP16 Industrial Ecopack2

L6986

Package:

HTSSOP16

Material Declaration**:

PDF XML

Marketing Status

Active

Package

HTSSOP16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6986TR

Package:

HTSSOP16

Material Declaration**:

PDF XML

Marketing Status

Active

Package

HTSSOP16

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.

eDesignSuite

Converter

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output

V This option is required and must be a number.
A This option is required and must be a number.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L6986 Available at 2 distributors

Distributor availability ofL6986

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 1585 1 Order Now
Farnell Element14 EUROPE 910 1 Order Now

Distributor reported inventory date: 2020-09-23

Distributor Name

MOUSER

Stock

1585

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

910

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-23

Buy now
Active
EAR99 NEC Tube HTSSOP16 - - PHILIPPINES 1.193 / 1k
L6986TR Available at 6 distributors

Distributor availability ofL6986TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 37 1 Order Now
RS COMPONENTS EUROPE 1900 1 Order Now
ARROW EUROPE 4 0 Order Now
Newark Element14 AMERICA 102 0 Order Now
MOUSER WORLDWIDE 55 1 Order Now
Farnell Element14 EUROPE 2500 1 Order Now

Distributor reported inventory date: 2020-09-23

Distributor Name

DIGIKEY

Stock

37

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1900

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

4

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

102

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

55

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2500

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-23

Sample & Buy Buy now
Active
EAR99 NEC Tape And Reel HTSSOP16 - - PHILIPPINES 1.193 / 1k

L6986

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.193 / 1k

Distributor availability ofL6986

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 1585 1 Order Now
Farnell Element14 EUROPE 910 1 Order Now

Distributor reported inventory date: 2020-09-23

Distributor Name

MOUSER

Stock

1585

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

910

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-23

ECCN (EU)

NEC

Packing Type

Tube

Package

HTSSOP16

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.193 / 1k

Country of Origin

PHILIPPINES

L6986TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.193 / 1k

Distributor availability ofL6986TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 37 1 Order Now
RS COMPONENTS EUROPE 1900 1 Order Now
ARROW EUROPE 4 0 Order Now
Newark Element14 AMERICA 102 0 Order Now
MOUSER WORLDWIDE 55 1 Order Now
Farnell Element14 EUROPE 2500 1 Order Now

Distributor reported inventory date: 2020-09-23

Distributor Name

DIGIKEY

Stock

37

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1900

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

4

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

102

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

55

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2500

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-23

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

HTSSOP16

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.193 / 1k

Country of Origin

PHILIPPINES

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