TLE 4242 G is an adjustable constant current source that can drive loads up to 500mA. It features a wide input voltage range, low drop voltage, and overload protection, making it suitable for high power LED driving in automotive applications.
The TLE4242G is an integrated adjustable constant‑current LED driver capable of delivering up to 500 mA. It includes protection functions such as open‑load detection, over‑temperature, short‑circuit and reverse‑polarity protection, and operates over a wide temperature range of –40 °C to 150 °C.
The device is supplied in a P‑TO263‑7‑1 surface‑mount package and offers a PWM input for brightness control or as a low‑power enable/sleep control. Detailed electrical characteristics, absolute maximum ratings and typical application circuits are provided in the document.
| Adjustable constant current | up to 500 mA |
|---|---|
| Input voltage range | 4.5 V – 42 V |
| Operating temperature range | –40 °C – 150 °C |
| Typical output current | 357 – 395 mA |
| Drop voltage at 300 mA | max 0.7 V |
| PWM high‑level voltage | ≈2.6 V |
| PWM low‑level voltage | ≈0.7 V |
| Package type | P‑TO263‑7‑1 |
The driver can be adjusted to supply up to 500 mA of constant current.
It operates with an input voltage between 4.5 V and 42 V.
The device is supplied in a P‑TO263‑7‑1 surface‑mount package.