LT1170CQ
With a switching frequency of 100kHz, the LT1170CQ provides efficient regulation for various power applicationsLT1170CQ
With a switching frequency of 100kHz, the LT1170CQ provides efficient regulation for various power applications
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製造商零件號 # : LT1170CQ
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包裝/封裝: DDPAK-5
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零件狀態 : Active
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製造商: Analog Devices
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產品分類 : Voltage Regulators - DC DC Switching Regulators
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LT1170CQ 數據表
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詳細說明
Analog Devices' LT1170CQ is a step-down switching regulator specifically designed for use in industrial and automotive applications. Offering an input voltage range of 4V to 28V and a maximum output current of 2.5A, this device is suitable for a wide range of power supply applications. Operating at a fixed frequency of 250kHz, the LT1170CQ delivers stable and reliable performance, while its high efficiency of up to 85% ensures minimal power loss. Additionally, the device features built-in protections such as overcurrent protection and thermal shutdown, enhancing its safety and reliability. Its adjustable output voltage and soft-start function further contribute to its flexibility and ease of use. Housed in a 14-lead CERDIP package, the LT1170CQ boasts a rugged and compact design, making it well-suited for the demanding conditions of industrial and automotive environments
主要特徵
- This is a feature of product LT11CQ,'Compact 5A adjustable voltage step-down switching regulator with thermal shutdown'
- Low dropout voltage,low quiescent current and high efficiency for power saving
- Current limit protection mechanism for safe operation
應用
- Automotive power systems
- Battery-powered devices
- High efficiency design
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。
Product Category ! | Switching Voltage Regulators | RoHS | No -RoHS Version Available |
Output Voltage | Adjustable | Output Current ! | 5 A |
Input Voltage, Max | 40 V | Number of Outputs | 1 Output |
Topology | Boost, Buck, Cuk, Flyback, Forward, Inverting | Package / Case | DDPAK-5 |
Mounting Style | SMD/SMT | Switching Frequency ! | 100 kHz |
Minimum Operating Temperature | 0 C | Maximum Operating Temperature ! | + 100 C |
Series | LT1170 | Input Voltage, Min | 3 V |
Brand | Analog Devices | Height | 4.57 mm |
Operating Supply Current | 6 mA | Product Type ! | Switching Voltage Regulators |
Subcategory | PMIC - Power Management ICs |
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 LT1170CQ?
The LT1170CQ is a high efficiency, step-down switching regulator designed by Linear Technology (now part of Analog Devices). It is ideal for applications requiring efficient power conversion, such as battery-powered devices, portable equipment, and automotive electronics.
How Does LT1170CQ Work?
The LT1170CQ operates by converting input voltage into a lower, regulated output voltage through a switching process. It uses a step-down topology to efficiently regulate the output voltage while minimizing power dissipation. The regulator features a feedback loop to maintain a stable output voltage regardless of input variations.
How Many Pins does LT1170CQ have and What are the Functions of the Pinout Configuration?
The LT1170CQ is housed in a 16-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- VOUT: Regulated output voltage pin.
- FB: Feedback pin for setting the output voltage.
- SW: Switch pin for the internal power switch.
- RT/CLK: Pin for setting the frequency/switching time.
- SS/TR: Soft-start/tracking pin.
- COMP: Compensation pin for loop stability.
What are the Pros and Cons of LT1170CQ?
Pros:
- High Efficiency: Provides efficient power conversion, reducing power loss and extending battery life.
- Wide Input Voltage Range: Can handle a wide range of input voltages for versatile applications.
- Compact Size: The 16-pin SSOP package offers a space-efficient design for compact devices.
- Overcurrent Protection: Includes features like overcurrent protection for improved reliability.
- Low Output Voltage Ripple: Generates a stable output voltage with low ripple for sensitive electronics.
Cons:
- Complexity: Switching regulators like the LT1170CQ may require careful design considerations for noise and stability.
- External Components: Additional external components such as inductors and capacitors are needed for proper operation.
- Heat Dissipation: Switching regulators can generate heat, requiring thermal management in some applications.
Are There Any Equivalents/Alternatives to LT1170CQ for Recommendation?
- The LM2576 from Texas Instruments is a similar step-down switching regulator with different features.
- Alternatives to the LT1170CQ include the MP2307 from Monolithic Power Systems and the MAX5033 from Maxim Integrated.
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