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ST1S12G18R
Switching Voltage Regulators STEP-DOWN SWITCH REG W/ENABLE 1.7MHZ
ST1S12G18R
Switching Voltage Regulators STEP-DOWN SWITCH REG W/ENABLE 1.7MHZ
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Manufacturer Part # : ST1S12G18R
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Package/Case: SOT23-5
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Brand: Stmicroelectronics
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Product Categories : Voltage Regulators - DC DC Switching Regulators
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
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Cut Tape
Tube or Tray
ST1S12G18R DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The ST1S12G18R DC-DC converter boasts an impressive feature set, including its ability to provide up to 0.7A of output current over an input voltage range of 2.5V to 5.5V. In addition to this, the device's high switching frequency enables the use of tiny surface-mount components, making it an attractive solution for space-constrained designs. Moreover, the ST1S12G18R is thermally protected and current-limited to prevent damage from accidental short-circuit events. With its robust design and impressive performance characteristics, this converter is well-suited for demanding applications such as HDD power supply
Key Features
- High-efficiency power conversion
- Fully regulated output voltage
- Low noise operation
- Easy integration into systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Input Voltage Min Volt | 2.5 | Input Voltage Max Volt | 5.5 |
| Operating Temp Min Celsius | -40.0 | Operating Temp Max Celsius | 125.0 |
| ECCN US | EAR99 | ECCN EU | NEC |
| Packing Type | Tape And Reel | RoHs compliant | Ecopack2 |
| Grade | Industrial | Package Name | TSOT23-5L |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ST1S12G18R?
The ST1S12G18R is a synchronous step-down DC-DC converter designed by STMicroelectronics. It is ideal for applications requiring efficient voltage regulation, such as battery-powered devices, consumer electronics, and industrial automation.
How Does ST1S12G18R Work?
The ST1S12G18R works by converting a higher input voltage to a lower regulated output voltage with high efficiency. It utilizes a synchronous rectification architecture to minimize power dissipation and improve overall efficiency. The converter features a fixed frequency PWM control and provides a stable output voltage even with variations in input voltage and load conditions.
How Many Pins does ST1S12G18R have and What are the Functions of the Pinout Configuration?
The ST1S12G18R is housed in a 3 x 3 mm DFN10 (Dual Flat No-Lead) package. The pinout configuration includes:
- VIN: Power input pin.
- PGND: Power ground pin.
- SW: Switching node for the internal power MOSFET.
- FB: Feedback input pin for setting the output voltage.
- EN: Enable pin for turning the converter on and off.
- PWRGD: Power good output pin indicating the output voltage is within regulation.
- NC: No connect pin.
What are the Pros and Cons of ST1S12G18R?
Pros:
- High Efficiency: Provides efficient voltage conversion, reducing power dissipation and extending battery life.
- Compact Package: The DFN10 package is space-efficient, suitable for compact designs.
- Wide Input Voltage Range: Supports a wide input voltage range for versatility in various applications.
- Low Output Voltage: Suitable for low-voltage microcontroller and processor applications.
Cons:
- External Components: May require external components such as inductors and capacitors for optimal operation.
- Complexity: Requires careful consideration of layout and thermal management for high-power designs.
Are There Any Equivalents/Alternatives to ST1S12G18R for Recommendation?
- The TPS62130 from Texas Instruments is an equivalent step-down converter with similar features.
- Alternatives to the ST1S12G18R include the MP2315 from Monolithic Power Systems and the ADP2384 from Analog Devices.
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