STMicroelectronics L5987
The L5987 is a step-down switching regulator with a 3.5 A (minimum) current limited embedded Power MOSFET, so it is able to deliver an up to 3 A current to the load depending on the application conditions. The input voltage can range from 2.9 V to 18 V, while the output voltage can be set starting from 0.6 V to VIN.| Part No. | L5987 |
|---|---|
| Datasheet | L5987 Download |
| Manufacturer |  STMicroelectronics |
| Description | 3A step-down switching regulator |
| Buy | Stock & Price |
FEATURES
DESCRIPTION
● 3 A DC output current● 2.9 V to 18 V input voltage
● Output voltage adjustable from 0.6 V
● 250 kHz switching frequency, programmable up to 1 MHz
● Internal soft-start and inhibit
● Low dropout operation: 100% duty cycle
● Voltage feedforward
● Zero load current operation
● Overcurrent and thermal protection
● VFQFPN 3 x 3 -8L and HSOP8 package Having a minimum input voltage of 2.9 V, the device is suitable also for a 3.3 V bus. Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.
APPLICATIONS
● Consumer: STB, DVD, DVD recorder, car The VFQFPN8 and the HSOP packages with an exposed pad allow reducing the RthJA down to 60 °C/W and 40 °C/W respectively. audio, LCD TV and monitors Figure 1. Application circuit May 2014 This is information on a product in full production. DocID14972 Rev 4 1/40 Contents Contents L5987 1 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
