ST1S10PUR STMicroelectronics Integrated Circuit (Small Outline No-lead) In Stock
ST1S10PUR is a current-mode PWM step-down switching regulator from STMicroelectronics with a 2.5 V to 18 V input range and up to 3 A output current in a compact 4x4 mm DFN-8 package. It operates at a switching frequency up to 1.5 MHz for small external components. Available from stock worldwide with competitive pricing.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- ST1S10PUR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9586(MOQ 5)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ST1S10PUR?
- Wide 2.5 V to 18 V input voltage range covers single-cell Li-ion to 12 V automotive and industrial supply rails
- Current-mode PWM control with up to 3 A output current delivers fast transient response and inherent cycle-by-cycle current limiting
- Compact 4x4 mm DFN-8 package with exposed pad enables high switching frequency up to 1.5 MHz and small inductor and capacitor selection
What is ST1S10PUR used for?
The ST1S10PUR is suited for point-of-load DC-DC conversion in industrial control boards, IoT gateways, and portable electronics where a 12 V or automotive input must be stepped down to 3.3 V or 5 V rails at up to 3 A. Its current-mode PWM architecture ensures stable regulation under dynamic load conditions found in motor drives and communication modules. The DFN-8 package with thermal pad supports efficient heat dissipation in high-density power supply designs.
What are the specifications of ST1S10PUR?
| Factory Lead Time | 18Weeks |
| YTEOL | 3 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 2.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-XDSO-N8 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SOLCC8,.15,32 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1100kHz |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.8mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the ST1S10PUR datasheet?
ST1S10PUR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for ST1S10PUR?
Compatible alternatives and drop-in replacements for ST1S10PUR:
Frequently Asked Questions
What input voltage range does the ST1S10PUR support, and which supply rails is it compatible with?
The ST1S10PUR accepts input voltages from 2.5 V to 18 V, making it compatible with single-cell Li-ion batteries at approximately 3.7 V, 5 V USB power, 12 V industrial rails, and automotive 12 V systems. This broad input range allows a single regulator design to cover multiple application voltage environments without component changes.
How does the ST1S10PUR current-mode control benefit a design with rapidly changing load currents?
Current-mode PWM control in the ST1S10PUR provides cycle-by-cycle current limiting and inherently faster transient response compared to voltage-mode controllers, since the inner current loop directly regulates inductor current on each switching cycle at up to 1.5 MHz. This results in tighter output voltage regulation during load steps from near 0 A to 3 A, which is critical in applications such as processor cores, RF amplifiers, and motor pre-drivers.
For a compact IoT gateway PCB, what component savings does the 1.5 MHz switching frequency of ST1S10PUR enable?
Operating at up to 1.5 MHz switching frequency allows the ST1S10PUR to use inductors as small as 1.5 µH and output capacitors under 22 µF, compared to inductors of 10 µH or more required at 200 kHz designs. This shrinks the total power stage footprint to match the 4x4 mm DFN-8 IC, enabling dense multi-rail power designs on IoT gateway boards with limited PCB area.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $2.7200 | $13.60 |
| 25+ | $2.5800 | $64.50 |
| 50+ | $2.4500 | $122.50 |
| 250+ | $1.0980 | $274.51 |
| 500+ | $1.0574 | $528.68 |
| 1000+ | $0.9586 | $958.60 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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