ST1S09
2A, 1.5 MHz PWM step-down switching regulator with synchronous rectificationST1S09
2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
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Manufacturer Part # : ST1S09
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Package/Case: DFN-6
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Brand: STMicroelectronics NV
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Product Categories : Switching Regulator or Controllers
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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.
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ST1S09 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!
Interested Parts
ST1S09 Description
The ST1S09 is a synchronous step-down converter chip designed by STMicroelectronics, designed for reliable power conversion in various applications. This device is ideal for powering microcontrollers, sensors, and other low-power components in industrial equipment, consumer electronics, and automotive systems.
Pin Details
The ST1S09 is a fixed frequency PWM controller with 8 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.
Pin configuration
- Pin 1 (VCC): Positive Power Supply
- Pin 2 (GND): Ground
- Pin 3 (EN): Enable Signal
- Pin 4 (OUT): Output Voltage
- Pin 5 (FB): Feedback Pin
- Pin 6 (COMP): Compensation Pin
- Pin 7 (RST): Reset Signal
- Pin 8 (VCC): Positive Power Supply
Features
- Synchronous Step-Down Conversion: Offers high efficiency and low ripple noise.
- Fixed Frequency PWM Controller: Provides stable operation and easy design integration.
- Wide Input Voltage Range: Operates with input voltages from 2.5V to 18V.
- High Output Current: Delivers up to 1.5A output current.
- Thermal Shutdown and Short-Circuit Protection: Ensures device safety in abnormal operating conditions.
Applications
The ST1S09 is suitable for powering various low-power components, including microcontrollers, sensors, and other devices in industrial equipment, consumer electronics, and automotive systems.
Where to Use:
This device can be used in a wide range of applications, including:
- Industrial automation systems
- Consumer electronics
- Automotive systems
- Medical devices
Manufacturer
The ST1S09 is manufactured by STMicroelectronics, a global leader in semiconductor technology.
Packages
The ST1S09 comes in an 8-pin SOIC-8 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the device into electronic circuits.
Equivalent Parts of ST1S09
- LM5117: A comparable synchronous step-down converter from Texas Instruments with similar features and performance.
- MAX1775: An alternative synchronous step-down converter from Maxim Integrated that offers equivalent functionality.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Manufacturer | STMicroelectronics | Product Category ! | IC Chips |
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.
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