ST1S03PUR DC-DC Switching Converters by STMicroelectronics
1.5 A, 1.5 MHz adjustable, step-down switching regulator
| Status: | Active |
|---|---|
| Series: | ST1S03 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.75
| Distributor | Stock | ||
|---|---|---|---|
|
RS
from US$0.76
|
8,810
in stock
|
Buy Now |
|
Future Electronics
from US$0.75
|
12,000
in stock
|
Buy Now |
|
element14
from US$0.85
|
2,080
in stock
|
Buy Now |
|
Farnell
from US$0.81
|
2,080
in stock
|
Buy Now |
|
Avnet Silica
-
|
3,000
in stock
|
Buy Now |
|
Newark Electronics
from US$0.92
|
-
|
Buy Now |
|
Avnet America
from US$0.83
|
-
|
Buy Now |
|
EBV Elektronik
-
|
-
|
Buy Now |
Features
| Step-down current mode PWM (1.5 MHz) DC-DC converter |
| 2% DC output voltage tolerance |
| Internal soft-start for STARTUP current limitation and power on delay of 50 - 100 μs |
| Typical efficiency: > 70% over all operating conditions |
| 1.5 A output current capability |
| Not switching quiescent current: max 2.5 mA over temperature range |
| Switch VDS: max. 350 mV at ISW= 750 mA |
| Uses tiny capacitors and inductors |
| Available in DFN6D 3 x 3 mm package with exposed pad |
Resources
Product Specifications |
|---|
| DS4126 1.5 A, 1.5 MHz adjustable, step-down switching regulator |
Application Notes |
|---|
| AN2837 Positive to negative buck-boost converter using ST1S03 asynchronous switching regulator |
| AN2093 ST1S03 buck converters for HDD power supplies |
Technical Notes & Articles |
|---|
| TN1224 Mounting instructions for SMD (surface mounting device) packages |
Design Notes & Tips |
|---|
| DN0011 ST1S03 alternative topology: Using a buck in a negative buck-boost configuration |
Brochures |
|---|
| Electric vehicle (EV) ecosystem |
Alternative Descriptions
| ST1S03 Series 16 V 1.5 MHz Surface Mount Step-Down Switching Regulator - DFN-8 | Future Electronics |
| 1.5A 1.5MHz Adj Step-Down Regulator DFN6 | RS |
| DC/DC CONV, BUCK, 1.5MHZ, DFN-16 | element14 |
| Conv DC-DC Single Step Down 3V to 16V 6-Pin DFN T/R | Avnet Silica |
| Dc/Dc Conv, Buck, 1.5Mhz, 150Deg C | Newark Electronics |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a ST1S03PUR?
Additional datasheets, footprints and schematics for ST1S03PUR are listed on our Part Details page. You can also find images and similar parts to ST1S03PUR on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for ST1S03PUR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view ST1S03PUR price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does ST1S03PUR fall under?
The ST1S03PUR is listed under Power Management > DC-DC Switching Converters > Buck Regulators.
Can I view similar or alternative parts?
You can view similar parts to ST1S03PUR when available in the Buck Regulators range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the ST1S03PUR you can contact the distributor directly for product support, shipping queries etc.
Is the ST1S03PUR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for ST1S03PUR have stock available?
Authorised distributors including Future Electronics, RS, element14, Farnell and Avnet Silica have stock available or on a lead time for ST1S03PUR.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for ST1S03PUR often in real-time on the comparison pages.
What if I can't find stock of ST1S03PUR?
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