L4976 is a 1A step-down switching regulator with an input voltage range of 8V to 55V and an output voltage adjustable range of 0.5V to 50V. It is fabricated using BCD mixed technology and features an internal power D-MOS transistor with a typical Rds(ON) of 0.25Ω for very high efficiency and fast switching speed.
The L4976 is a step-down monolithic power switching regulator capable of delivering 1A at an output voltage between 0.5V and 50V. It operates with an input voltage range from 8V to 55V and features a precise 5.1V reference voltage. The device utilizes an internal power D-MOS transistor to achieve high efficiency and high switching speeds up to 300kHz.
| Output current | 1A |
|---|---|
| Operating input voltage | 8V to 55V |
| Reference voltage | 5.1V |
| Output voltage range | 0.5V to 50V |
| Switching frequency | up to 300kHz |
| Efficiency | 85% |
| Power dissipation (DIP8) | 0.8W |
The output voltage is adjustable from 0.5V to 50V.
The device operates with an input voltage from 8V to 55V.