TLC5917INE4

Overview

The TLC5917INE4 is an LED lighting driver IC featuring eight constant-current sinks. It operates within a supply voltage range of 3 V to 5.5 V and supports output currents up to 120 mA per channel. The device utilizes a boost topology with a maximum output voltage of 20 V and functions at frequencies up to 30 MHz. Packaged in a 16-PDIP, it ensures reliable operation across temperatures from -40°C to +125°C.

Feature Summary

• Provides eight independent constant-current sink channels for precise LED control
• Integrates internal boost converter topology to drive high-voltage loads
• Includes thermal shutdown protection to safeguard against overheating

Applications

• LED signage systems
• General LED illumination circuits
• Backlighting drivers

Procurement Notes

Verify the specific suffix E4 indicates RoHS compliance and manufacturing revisions. Confirm package dimensions match the 16-PDIP specification. Ensure the application circuit supports the required 3 V to 5.5 V input range and current limits.

Selection Notes

Select this component when eight synchronized constant-current outputs are required. The PDIP-16 package suits through-hole designs. Consider the 120 mA per-channel limit and 20 V max output voltage for load compatibility.

Part Context

Part of the TLC5917 series, designed as a dedicated LED driver eliminating microprocessor dependency. It integrates shift register functionality for serial data input, simplifying interface requirements compared to general-purpose logic devices.

Replacement Considerations

TLC5917IN serves as the standard non-RoHS variant within the same series. Both share identical electrical characteristics and pinout configurations.