


IS31FL3237-QFLS4-TR
- Manufacturer
- MFR.Part #
- IS31FL3237-QFLS4-TR
- JLCPCB Part #
- C2678924
- Package
- QFN-44-EP(5x5)
- Description
- -40℃~+125℃ 122Hz~62kHz 2.7V~5.5V 36 38mA 6% External PWM Short Circuit Protection、Over-Temperature Protection (OTP)、LED open-circuit protection QFN-44-EP(5x5) LED Drivers ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | LED Drivers/LED Drivers | |
| Manufacturer | ISSI(Integrated Silicon Solution) | |
| Package | QFN-44-EP(5x5) | |
| Constant Current Accuracy | 6% | |
| Number of Channels | 36 | |
| Frequency - Switching | 122Hz~62kHz | |
| Voltage - Input(DC) | 2.7V~5.5V | |
| Output Current | 38mA | |
| Features | Short Circuit Protection、Over-Temperature Protection (OTP)、LED open-circuit protection | |
| Dimming | PWM | |
| Switch Tube (Built-In/External) | External | |
| Operating temperature | -40℃~+125℃ |

* Images are for reference only
IS31FL3237-QFLS4-TR
Extended- Manufacturer
- MFR.Part #
- IS31FL3237-QFLS4-TR
- JLCPCB Part #
- C2678924
- Package
- QFN-44-EP(5x5)
- Description
- -40℃~+125℃ 122Hz~62kHz 2.7V~5.5V 36 38mA 6% External PWM Short Circuit Protection、Over-Temperature Protection (OTP)、LED open-circuit protection QFN-44-EP(5x5) LED Drivers ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
IS31FL3237-QFLS4-TR
Extended- Manufacturer
- MFR.Part #
- IS31FL3237-QFLS4-TR
- JLCPCB Part #
- C2678924
- Package
- QFN-44-EP(5x5)
- Description
- -40℃~+125℃ 122Hz~62kHz 2.7V~5.5V 36 38mA 6% External PWM Short Circuit Protection、Over-Temperature Protection (OTP)、LED open-circuit protection QFN-44-EP(5x5) LED Drivers ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
IS31FL3237-QFLS4-TR Specifications
IS31FL3237-QFLS4-TR technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | LED Drivers/LED Drivers | |
| Manufacturer | ISSI(Integrated Silicon Solution) | |
| Package | QFN-44-EP(5x5) | |
| Constant Current Accuracy | 6% | |
| Number of Channels | 36 | |
| Frequency - Switching | 122Hz~62kHz | |
| Voltage - Input(DC) | 2.7V~5.5V | |
| Output Current | 38mA | |
| Features | Short Circuit Protection、Over-Temperature Protection (OTP)、LED open-circuit protection | |
| Dimming | PWM | |
| Switch Tube (Built-In/External) | External | |
| Operating temperature | -40℃~+125℃ |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the IS31FL3237-QFLS4-TR. Sign up to receive and start your assembly today →
- 1
Step 1 - Pre-order the parts you need from JLCPCB.
- 2
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
- 3
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

IS31FL3237-QFLS4-TR Documents
IS31FL3237-QFLS4-TR datasheets or manufacturer documentation.
Datasheet: IS31FL3237-QFLS4-TR Datasheet (PDF)
IS31FL3237-QFLS4-TR Schematic Symbol & PCB Footprint
The IS31FL3237-QFLS4-TR schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.