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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 84MA 20ETSSOP
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：84mA
- Frequency：1MHz
- Dimming：PWM
- Applications：General Purpose
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：20-eTSSOP
- Grade：-
- Qualification：-
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Overview
The IS31FL3740-ZLS4-TR is an LED display driver manufactured by Lumissil Microsystems, designed for driving dot matrix configurations. It features a 3x4 matrix architecture with 84mA output current capability per channel. The device operates within a supply voltage range of 4.75V to 40V and supports PWM dimming. It is housed in a 20-pin eTSSOP package measuring 6.5mm x 6.4mm. The component is rated for industrial temperatures from -40°C to +125°C and includes humidity sensitivity classification.
Feature Summary
- Supports 3x4 dot matrix LED configurations
- Integrates linear PWM dimming control
- Provides constant current output channels
Applications
- Dot matrix LED displays
- Small character indicators
- Numeric segment displays
Procurement Notes
Verify the specific suffix ZLS4 against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match design requirements. Confirm end-of-life status as some sources indicate NRND classification. Ensure ESD handling protocols are followed due to moisture sensitivity classification. Validate package dimensions against PCB footprint specifications before finalizing procurement.
Selection Notes
Select this component when a compact solution for small dot matrix applications is required. The eTSSOP-20 package offers space efficiency for dense layouts. Consider the 84mA drive strength for standard LED brightness requirements. Verify interface compatibility if additional control logic is needed beyond basic driver functions.
Part Context
This part belongs to the IS31FL3740 series of LED display drivers from Lumissil Microsystems. The series focuses on integrated solutions for matrix displays, combining driver electronics with control interfaces in compact packages. The ZLS4 suffix denotes the specific eTSSOP-20 packaging variant with tape and reel delivery format.
Replacement Considerations
Check Lumissil documentation for direct cross-references. Alternative packages like QFN-20 may exist within the same series but require layout adjustments.
