SI9110DY
Switching Controller, Current-mode, 0.25A, 1000kHz Switching Freq-Max, BCDMOS, PDSO14SI9110DY
Switching Controller, Current-mode, 0.25A, 1000kHz Switching Freq-Max, BCDMOS, PDSO14
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製造商零件號 # : SI9110DY
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包裝/封裝: SOIC-14
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製造商: VISHAY SILICONIX
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產品分類 : DC DC Switching Controllers
品質保證
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運輸與付款
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服務與包裝
服務與包裝
About After Sales Service
All Parts Extended Quality Guarantee
自發貨之日起 90 天內發起申請。
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SI9110DY 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
Si9113 is a current mode PWM controller for ISDN power supplies. In a 14-pin SOIC package, it provides all necessary functions to implement a single-switch PWM with a minimum of external parts. To maximize the circuit integration, the Si9113 is designed with a 200-V depletion mode MOSFET capable of powering directly off the high input bus without an external start-up circuit. The Start and Stop input voltage thresholds can be programmed within the operating input voltage range by means of a resistor divider, provided +VIN (Start)> +VIN (Stop).FEATURES BiC/DMOS Technology Current Mode Control Max 50% Duty Cycle Operation 1.3-MHz Error Amp Up to 500-kHz Internal Oscillator Soft-Start 0.6-V Fast Over-Current Protection <5-µA Supply Current for +VIN <18 V 23.5-V to 200-V Input Voltage Range Programmable Start/Stop Capability Internal Start-Up Circuit Power_Good Output
![](/files/uploads/product/b/ef581c80842b44f9b74817600f00f073.webp)
主要特徵
- BiC/DMOS Technology
- Current Mode Control
- Max 50% Duty Cycle Operation
- 1.3-MHz Error Amp
- Up to 500-kHz Internal Oscillator
- Soft-Start
- 0.6-V Fast Over-Current Protection
- <5-µA Supply Current for +VIN <18 V
- 23.5-V to 200-V Input Voltage Range
- Programmable Start/Stop Capability
- Internal Start-Up Circuit
- Power_Good Output
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 | SILICONIX | Product Category ! | DC DC Switching Controllers |
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 SI9110DY?
The SI9110DY is a green-mode PWM controller designed by Vishay Siliconix. It is specifically tailored for use in high-performance offline flyback converters, making it suitable for applications such as power supplies, lighting, and home appliances.
How Does SI9110DY Work?
The SI9110DY operates as a pulse-width modulation (PWM) controller that incorporates green-mode functionality to enhance energy efficiency. It regulates the duty cycle of the output waveform to control the power delivered to the load. The device features protection functions, soft-start capability, and power-saving modes to optimize performance and reliability.
How Many Pins does SI9110DY have and What are the Functions of the Pinout Configuration?
The SI9110DY is housed in a 7-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- X: Multi-function pin for various control and feedback purposes.
- FB: Feedback pin for output voltage regulation.
- RT: Timing resistor pin for frequency adjustment.
- CS: Current sense pin for overcurrent protection.
- OUT: Output pin for driving external components.
What are the Pros and Cons of SI9110DY?
Pros:
- Green-Mode Functionality: Enhances energy efficiency and reduces power consumption.
- Protection Features: Includes built-in protection functions for reliable operation.
- Compact Package: Housed in a space-saving SOIC package for easy PCB integration.
- Soft-Start Capability: Allows for gradual power-up to prevent inrush currents.
- Power-Saving Modes: Optimizes power usage in standby or low-load conditions.
Cons:
- Single Sourcing: Dependency on Vishay Siliconix for this specific PWM controller.
- Application Specific: Tailored for offline flyback converters, may not be versatile for other applications.
- External Components: Requires external components for complete power supply implementation.
Are There Any Equivalents/Alternatives to SI9110DY for Recommendation?
- The FAN7601 from Fairchild Semiconductor is a similar green-mode PWM controller suitable for power supply applications.
- Alternatives to the SI9110DY include the L6561 from STMicroelectronics and the NCP1271 from ON Semiconductor.
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