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  • The L9347 is an integrated quad low-side power switch to drive inductive loads like valves used in ABS systems. Two of the four channels are current regulators with current range from 250mA to 2.25A and an accuracy of 10%.

    All channels are protected against fail functions. They are monitored by a status output.

    Key Features

    • Open load detection
    • Selective overtemperature shutdown
    • External clock control
    • Ground and supply loss detection
    • Regulator drift detection
    • Recirculation control
    • Regulator resolution 5mA
    • Regulator error control
    • Status monitoring
    • Output slope control
    • Integrated free-wheeling and clamping Z-diodes
    • Quad low-side switch
    • 2 x 2.5A designed as switched current-regulator
    • 2 x 5A designed as conventional switch
    • Power SO-36 - package with integrated cooling area
    • Short circuit protection
    • Electrostatic discharge (ESD) protection
    • Low ON-resistance 2 x 0.2Ω , 2 x 0.35Ω (typ.)
    • Status push-pull stages

Circuit Diagram

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Part Number
Package
Packing Type
Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
More info
Order from Distributors
Order from ST
min
max
L9347LF-TR PowerSO 36 Tape And Reel -40 150
Active
3.1 1000 EAR99
MORE INFO

Country of Origin:

MALAYSIA

Check Availability

Distributor availability ofL9347LF-TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 599 1 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

MOUSER

Stock

599

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-08-08

Buy now
L9347LF PowerSO 36 Tube -40 150
Active
3.1 1000 EAR99
MORE INFO

Country of Origin:

MALAYSIA

No availability of distributors reported, please contact our sales office

L9347LF-TR

Package

PowerSO 36

Packing Type

Tape And Reel

Unit Price (US$)

3.1*

Distributor availability ofL9347LF-TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 599 1 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

MOUSER

Stock

599

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-08-08

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

3.1

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

L9347LF

Package

PowerSO 36

Packing Type

Tube

Unit Price (US$)

3.1*

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

3.1

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) 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

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Technical Documentation

    • Description Version Size Action
      DS2443
      Intelligent quad (2x5A/2x2.5A ) low-side switch
      3.0
      320.88 KB
      PDF
      DS2443

      Intelligent quad (2x5A/2x2.5A ) low-side switch

    • Description Version Size Action
      AN2791
      L9352B coil driver for ABS/ESP applications: current regulated channel analysis
      2.1
      641.26 KB
      PDF
      AN2791

      L9352B coil driver for ABS/ESP applications: current regulated channel analysis

    • Description Version Size Action
      UM0546
      PTB801DB evaluation board for ABS valve drivers system
      2.1
      294.16 KB
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      UM0546

      PTB801DB evaluation board for ABS valve drivers system

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9347LF
Active
PowerSO 36 Automotive Ecopack2
L9347LF-TR
Active
PowerSO 36 Automotive Ecopack2

L9347LF

Package:

PowerSO 36

Material Declaration**:

Marketing Status

Active

Package

PowerSO 36

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9347LF-TR

Package:

PowerSO 36

Material Declaration**:

Marketing Status

Active

Package

PowerSO 36

Grade

Automotive

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.