STMicroelectronics L4940
The L4940 series of three-terminal positive regulators is available in TO-220 and D²PAK packages and with several fixed output voltages, making it useful in a wide range of industrial and consumer applications. Each type employs internal current limiting, anti-saturation circuit, thermal shutdown and safe area protection.| Part No. | L4940 |
|---|---|
| Datasheet | L4940 Download |
| Manufacturer |  STMicroelectronics |
| Description | 1.5A very low drop voltage regulator |
| Buy | Stock & Price |
FEATURES
● Precise 5, 8.5, 12 V outputs● Low dropout voltage (450 mV typ. at 1 A)
● Very low quiescent current
● Thermal shutdown
● Short-circuit protection
● Reverse polarity protection
DESCRIPTION
Thanks to their very low input/output voltage drop, these devices are particularly suitable for battery-powered equipment, reducing consumption and prolonging battery-life. April 2015 This is information on a product in full production. DocID2141 Rev 14 1/25 Contents Contents L4940 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
