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CS51411
1.5A, 260 kHz AND 520 kHz, LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY
CS51411
1.5A, 260 kHz AND 520 kHz, LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY
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CS51411 數據表
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詳細說明
The CS5141X products are 1.5 A buck regulator ICs. These devices are fixed−frequency operating at 260 kHz and 520 kHz. The regulators use the V2™ control architecture to provide unmatched transient response, the best overall regulation and the simplest loop compensation for today’s high−speed logic. These products accommodate input voltages from 4.5 V to 40 V.Features• V2 Architecture Provides Ultrafast Transient Response, Improved Regulation and Simplified Design• 2.0% Error Amp Reference Voltage Tolerance• Switch Frequency Decrease of 4:1 in Short Circuit Conditions Reduces Short Circuit Power Dissipation• BOOST Pin Allows “Bootstrapped” Operation to Maximize Efficiency• Sync Function for Parallel Supply Operation or Noise Minimization• Shutdown Lead Provides Power−Down Option• 85 A Quiescent Current During Power−Down• Thermal Shutdown• Soft−Start• Pin−Compatible with LT1375 and LT1376• These Devices are Pb−Free and are RoHS Compliant
主要特徵
- V2 Architecture Provides Ultrafast Transient Response, Improved Regulation and Simplified Design
- 2.0% Error Amp Reference Voltage Tolerance
- Switch Frequency Decrease of 4:1 in Short Circuit Conditions Reduces Short Circuit Power Dissipation
- BOOST Pin Allows “Bootstrapped” Operation to Maximize Efficiency
- Sync Function for Parallel Supply Operation or Noise Minimization
- Shutdown Lead Provides Power−Down Option
- 85 A Quiescent Current During Power−Down
- Thermal Shutdown
- Soft−Start
- Pin−Compatible with LT1375 and LT1376
- These Devices are Pb−Free and are RoHS Compliant
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Manufacturer | ON Semiconductor | Product Category ! | IC Chips |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is CS51411?
The CS51411 is a high-efficiency synchronous buck regulator integrated circuit (IC) developed by ON Semiconductor. It is designed for powering microcontrollers, DSPs, FPGAs, and other digital circuits in various applications such as industrial, automotive, and consumer electronics.
How Does CS51411 Work?
The CS51411 works by efficiently converting a higher input voltage into a lower output voltage to power digital devices. It utilizes a synchronous buck converter architecture to achieve high efficiency and low power dissipation. The regulator features built-in protection functions, such as overcurrent and thermal shutdown, to ensure reliable operation under different load conditions.
How Many Pins does CS51411 have and What are the Functions of the Pinout Configuration?
The CS51411 is available in different packages such as SOIC, DFN, and WDFN, with varying pin configurations. A typical 8-pin DFN package includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- COMP: Compensation pin for loop stability.
- SS/EN: Soft-start/Enable pin for controlling the start-up sequence.
- PGND: Power ground pin.
- SW: Switch node pin for connecting the inductor and the high-side MOSFET.
- FB: Feedback pin for setting the output voltage.
- PGOOD: Power good indicator pin for output voltage status.
What are the Pros and Cons of CS51411?
Pros:
- High Efficiency: Achieves high efficiency in power conversion, reducing power dissipation and heat generation.
- Integrated Protection: Includes built-in protection features for reliable and safe operation.
- Compact Design: Available in small form factor packages for space-constrained applications.
- Wide Input Voltage Range: Supports a wide input voltage range for versatile use in different power supply designs.
- Low Output Voltage: Capable of providing low output voltages suitable for digital circuits.
Cons:
- External Components: May require external components such as inductors, capacitors, and resistors for optimal performance.
- Complex Loop Compensation: Some designs may require careful loop compensation for stability and transient response.
Are There Any Equivalents/Alternatives to CS51411 for Recommendation?
- The TPS54331 from Texas Instruments is a similar synchronous buck regulator IC offering comparable features.
- Alternatives to the CS51411 include the LT8612 from Analog Devices and the MP2307 from Monolithic Power Systems.
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