Overview
Sample & Buy
Solutions
Documentation
CAD Resources
Tools & Software
Quality & Reliability
eDesignSuite
Get Started
Partner products
Sales Briefcase
  • 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

Download Download

Recommended for you

CAD/EDA Symbols, Footprints and Models

Quality and Reliability

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.

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
L9347LF-TR Available at 1 distributors

Distributor availability ofL9347LF-TR

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

Distributor reported inventory date: 2020-09-23

Distributor Name

MOUSER

Stock

599

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-09-23

Buy now
Active
EAR99 NEC Tape And Reel PowerSO 36 -40 150 MALAYSIA 3.1 / 1k
L9347LF Available at 1 distributors

Distributor availability ofL9347LF

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 310 1 Order Now

Distributor reported inventory date: 2020-09-23

Distributor Name

MOUSER

Stock

310

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-09-23

Buy now
Active
EAR99 NEC Tube PowerSO 36 -40 150 MALAYSIA 3.1 / 1k

L9347LF-TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

3.1 / 1k

Distributor availability ofL9347LF-TR

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

Distributor reported inventory date: 2020-09-23

Distributor Name

MOUSER

Stock

599

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-09-23

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

PowerSO 36

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

3.1 / 1k

Country of Origin

MALAYSIA

L9347LF

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

3.1 / 1k

Distributor availability ofL9347LF

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 310 1 Order Now

Distributor reported inventory date: 2020-09-23

Distributor Name

MOUSER

Stock

310

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-09-23

ECCN (EU)

NEC

Packing Type

Tube

Package

PowerSO 36

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

3.1 / 1k

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