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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
Download
All resources
Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 26 Aug 2020 |
26 Aug 2020
|
Application Notes (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 19 Nov 2019 |
19 Nov 2019
|
User Manuals (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 14 Nov 2019 |
14 Nov 2019
|
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 36Material Declaration**:
L9347LF-TR
Package:
PowerSO 36Material Declaration**:
(**) 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 | 1 distributors | Buy now |
Active
|
EAR99 | NEC | Tape And Reel | PowerSO 36 | -40 | 150 | MALAYSIA | 3.1 / 1k | |
| L9347LF | 1 distributors | Buy now |
Active
|
EAR99 | NEC | Tube | PowerSO 36 | -40 | 150 | MALAYSIA | 3.1 / 1k | |
(*) 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
