2SC4134T-E

Single Bipolar Transistors Overview

The CAT4134HV2-GT2 is a dual-channel boost LED driver IC from onsemi, housed in a TDFN-12 package. It operates within an input voltage range of 2.8 V to 4.2 V and supports output currents up to 250 mA high and 5 mA low. Designed for driving two or three series-connected white LEDs per channel, it features movie and flash modes controlled by external resistors. The device functions between -40°C and +85°C.

Single Bipolar Transistors Feature Summary

• Dual-channel boost converter architecture providing matched LED currents
• Configurable current levels via RSET or RFLASH resistors
• Supports movie mode for steady brightness and flash mode for high intensity

Single Bipolar Transistors Applications

• Smartphone camera flash systems
• Mobile device LED lighting
• Portable electronic illumination

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized channels as the part is listed as obsolete. Confirm package integrity and pin alignment against the TDFN-12 specification. Ensure compatibility with existing circuit designs due to potential supply chain discontinuations.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring precise dual-channel LED control in compact spaces. Evaluate thermal management requirements given the TDFN-12 footprint. Verify that the input voltage range aligns with the system power supply constraints.

Single Bipolar Transistors Part Context

This device belongs to the CAT4134 family of LED drivers. It is specifically engineered for portable electronics where space efficiency and high-power LED driving are critical. The HV variant indicates high-voltage tolerance capabilities suitable for boosting LED strings.

Single Bipolar Transistors Replacement Considerations

Check for direct substitutes within the CAT4134 series. Verify pinout compatibility before replacing. Consult manufacturer notices for end-of-life guidance.