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Product overview

Description

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.

  • All 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

EDA Symbols, Footprints and 3D Models

STMicroelectronics - L9347

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

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

L9347LF

Package:

PowerSO 36

Material Declaration**:

PDF

Marketing Status

NRND

Package

PowerSO 36

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9347LF-TR

Package:

PowerSO 36

Material Declaration**:

PDF

Marketing Status

NRND

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

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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 distributors

Distributor availability of L9347LF-TR

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
NRND
EAR99 NEC Tape and Reel PowerSO 36 -40 150 MALAYSIA
L9347LF Available at distributors

Distributor availability of L9347LF

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
NRND
EAR99 NEC Tube PowerSO 36 -40 150 MALAYSIA

L9347LF-TR NRND

Package:
PowerSO 36
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L9347LF-TR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

150

Country of Origin:

MALAYSIA

L9347LF NRND

Package:
PowerSO 36
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L9347LF

ECCN (EU):

NEC

Packing Type:

Tube

Operating Temperature (°C)

Min:

-40

Max:

150

Country of Origin:

MALAYSIA

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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