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STMicroelectronics 2-Channel Synchronous Buck Converter 400 mA, -0.3V Output, 2 MHz Switching Frequency, TQFN-12 ST1PS02DQTR
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Model | ST1PS02DQTR |
| Mount Type | Surface |
| Output type | Selectable |
| Series | ST1PS02 |
| Output Current | 400mA |
| Maximum Operating Temperature | 80°C |
| Package Type | TQFN-12 |
| Minimum Operating Temperature | -40°C |
| Polarity | Positive |
| Regulator Type | Buck |
| Switching Frequency | 2MHz |
| Number of outputs | 2 |
| Maximum Input Voltage | 5.5V |
| Output Voltage | -0.3V |
| Quiescent Current | 500nA |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 1.8V |
| Pin Count | 12 |
Key Features
- Operates with input voltage range from 1.8 V to 5.5 V for flexible application compatibility.
- Features nano-quiescent current of 500 nA ensuring very low power consumption.
- Includes embedded soft-start circuit to prevent inrush current during startup.
- Designed with surface mount technology in a compact 12-pin TQFN package for space-saving designs.
- Supports positive polarity and selectable output type for versatile usage.
- Complies with RoHS standards, ensuring environmentally friendly manufacturing.
- Functional in a temperature range of -40°C to +80°C for reliable operation in varying environments.
- Minimum switching regulator with a frequency of 2 MHz provides efficient power conversion.
Product Description
STMicroelectronics ST1PS02DQTR is a compact, nano-quiescent, miniaturized synchronous step-down converter designed for efficient power management in electronic circuits. It supports a maximum output current of 400 mA and operates with input voltages ranging from 1.8 V to 5.5 V, making it suitable for a variety of low-voltage applications.
This 2-channel synchronous buck converter features a TQFN-12 12-pin surface mount package, ensuring minimal PCB space usage and enhanced thermal performance. It offers selectable output voltage down to -0.3V with positive polarity, controlled by an embedded soft-start circuit to reduce inrush current during startup, enhancing device reliability.
The device operates at a 2 MHz switching frequency enabling high efficiency and reduced component size for external circuitry. Its ultra-low quiescent current of 500 nA minimizes power consumption, ideal for battery-powered and portable electronics.
Designed to operate within a temperature range of -40°C to +80°C, this converter meets industry standards including RoHS compliance, supporting environmentally responsible electronic designs.
Typical industrial uses include power management in portable devices, instrumentation, communication systems, and embedded controllers requiring stable low-voltage power supplies with high efficiency and compact form factor.
Operates from 1.8 V to 5.5 V input voltage. 400 mA maximum output current capability across two channels. Embedded soft-start circuit to limit inrush current on startup. Switching frequency of 2 MHz reduces external component size.
Ultra-low quiescent current of 500 nA conserves battery life. Surface mount TQFN-12 package with 12 pins. Positive polarity output with selectable output type. Operates reliably between -40°C and +80°C. Meets RoHS environmental standards.
For advanced power management requirements, browse STMicroelectronics products or explore the Buck Converter category for compatible power regulation devices within EnvMart's extensive industrial electronics collection.
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Frequently Asked Questions
It operates with an input voltage range from 1.8 V to 5.5 V, allowing for flexible application compatibility.
The maximum output current capability is 400 mA across its two channels.
This converter features a switching frequency of 2 MHz, which helps in achieving high efficiency and reduced component size.
It is designed in a TQFN-12 package type, which is a surface mount configuration that saves PCB space.
The quiescent current is 500 nA, making it suitable for battery-powered applications due to its low power consumption.
It operates reliably within a temperature range of -40°C to +80°C, suitable for various environmental conditions.
Yes, it includes an embedded soft-start circuit to limit inrush current during startup, enhancing reliability.
It offers a selectable output voltage down to -0.3V with positive polarity.
Yes, it complies with RoHS standards, ensuring environmentally friendly manufacturing practices.
This model features two outputs, allowing for versatile power management solutions.
It is typically used in power management for portable devices, instrumentation, communication systems, and embedded controllers.
The output polarity is positive, which is suitable for various electronic applications.
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