The L5980 is step-down switching regulator with 1 A (min.) current limited embedded power MOSFET, so it is able to deliver in excess of 0.7 A DC current to the load depending on the application condition.
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. Having a minimum input voltage of 2.9 V, the device is suitable also for 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.
| Manufacturer | STMicroelectronics |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Single Output |
| Eval Board Part Number | 497-6384-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Board not Stocked
|
| Topology |
Step Down
|
| Outputs and Type |
1 Non-Isolated
|
| Voltage Out: Factory Set |
3.3 V
|
| Current Out |
700 mA
|
| Voltage In |
3.3 ~ 18 V
|
| Efficiency @ Conditions |
>92%, 5V in, 3.3V @ 250 ~ 700 mA
>83%, 12V in, 3.3V @ 200 ~ 700 mA |
| Voltage Out Range |
0.6 ~ Vin
|
| Features |
Over Current Protection
Over Voltage Protection Shutdown, Enable, Standby Soft Start Synchronizable Thermal Protection |
| Switching Frequency |
250 kHz
|
| Standby Current [Typical] |
20 µA
|
| Quiescent Current [Typical] | |
| Component Count + Extras |
14 + 5
|
| Internal Switch |
Yes
|
| Design Author |
STMicroelectronics
|
| Application / Target Market |
Computers
FPGA / DSP / Processors Point of Load (PoL) Set-Top Boxes Telecom |
| Standby Current [Maximum] |
30 µA
|
| Quiescent Current [Maximum] |
2.4 mA
|
| Main I.C. Base Part |
L5980
|
| Date Created By Author | |
| Date Added To Library | 2011-03 |
Italy
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