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LTC1871IMS-7
+BOMIC REG CTRLR MULT TOP 10MSOP
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LTC1871IMS-7
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, SEPIC |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 6V ~ 36V |
| Frequency - Switching | 50kHz ~ 1MHz |
| Duty Cycle (Max) | 92% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-MSOP |
| Base Product Number | LTC1871 |
Tổng quan
Description
The LTC1871IMS-7 is a high-speed, high-efficiency step-up (boost) DC-DC converter designed by Analog Devices. It operates with a wide input voltage range, typically from 2.5V to 15V, making it suitable for various battery-powered applications. The device features a built-in 1.2A power switch, enabling it to deliver output currents up to 1A, with a maximum output voltage of 34V.
Key characteristics include a low quiescent current, high efficiency (up to 90%), and a small footprint, making it ideal for portable devices, LED drivers, and RF power amplifiers. The LTC1871IMS-7 supports features such as adjustable output voltage, internal compensation, and a robust thermal management system.
With its high switching frequency, it allows for the use of smaller external components, which is beneficial for space-constrained designs. The device is available in a 16-lead narrow SSOP package, making it suitable for compact applications. Overall, the LTC1871IMS-7 is a versatile choice for designers looking for efficient power management solutions.
Key characteristics include a low quiescent current, high efficiency (up to 90%), and a small footprint, making it ideal for portable devices, LED drivers, and RF power amplifiers. The LTC1871IMS-7 supports features such as adjustable output voltage, internal compensation, and a robust thermal management system.
With its high switching frequency, it allows for the use of smaller external components, which is beneficial for space-constrained designs. The device is available in a 16-lead narrow SSOP package, making it suitable for compact applications. Overall, the LTC1871IMS-7 is a versatile choice for designers looking for efficient power management solutions.
Equivalent
Equivalent products to the LTC1871IMS-7 include the LM2576, LM2675, and MAX1761. These chips serve similar functions in voltage regulation, specifically in step-down (buck) converter applications. Always check specifications to ensure compatibility with your specific design requirements.
Features
The LTC1871IMS-7 is a high-performance, synchronous step-down voltage regulator designed for efficient power conversion. Key features include:
1. Wide Input Voltage Range: Accepts inputs from 4.5V to 60V.
2. Output Current: Capable of delivering up to 1.5A of continuous output current.
3. High Efficiency: Offers up to 95% efficiency, reducing heat generation.
4. Adjustable Output Voltage: Output voltage can be set from 1.215V to 55V using external resistors.
5. Integrated Power MOSFETs: Reduces the need for external components, saving space and cost.
6. Soft-Start Function: Minimizes inrush current during startup.
7. Current Mode Control: Improves transient response and provides cycle-by-cycle current limiting.
8. Thermal Shutdown: Protects the device from overheating.
9. Small Package: Available in a compact MSOP-8 package, suitable for space-constrained applications.
These features make the LTC1871IMS-7 suitable for various applications, including industrial equipment, battery-powered devices, and telecommunications.
1. Wide Input Voltage Range: Accepts inputs from 4.5V to 60V.
2. Output Current: Capable of delivering up to 1.5A of continuous output current.
3. High Efficiency: Offers up to 95% efficiency, reducing heat generation.
4. Adjustable Output Voltage: Output voltage can be set from 1.215V to 55V using external resistors.
5. Integrated Power MOSFETs: Reduces the need for external components, saving space and cost.
6. Soft-Start Function: Minimizes inrush current during startup.
7. Current Mode Control: Improves transient response and provides cycle-by-cycle current limiting.
8. Thermal Shutdown: Protects the device from overheating.
9. Small Package: Available in a compact MSOP-8 package, suitable for space-constrained applications.
These features make the LTC1871IMS-7 suitable for various applications, including industrial equipment, battery-powered devices, and telecommunications.
Pinout
The LTC1871IMS-7 is a high-speed, high-performance PWM controller with a pin count of 8. Its primary functions include generating a pulse-width modulation (PWM) signal for DC-DC converters. The pin configuration is as follows:
1. COMP - Compensation pin for error amplifier.
2. VFB - Feedback pin for voltage regulation.
3. RT - Timing resistor pin to set frequency.
4. CT - Timing capacitor pin to set frequency.
5. SW - Switch node for connection to the external MOSFET.
6. GND - Ground connection.
7. VCC - Supply voltage pin.
8. SS - Soft-start pin for controlling the start-up time.
With its compact design and integrated features, the LTC1871IMS-7 is ideal for various power management applications, particularly in power supply circuits.
1. COMP - Compensation pin for error amplifier.
2. VFB - Feedback pin for voltage regulation.
3. RT - Timing resistor pin to set frequency.
4. CT - Timing capacitor pin to set frequency.
5. SW - Switch node for connection to the external MOSFET.
6. GND - Ground connection.
7. VCC - Supply voltage pin.
8. SS - Soft-start pin for controlling the start-up time.
With its compact design and integrated features, the LTC1871IMS-7 is ideal for various power management applications, particularly in power supply circuits.
Manufacturer
The LTC1871IMS-7 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves a variety of markets, including communications, automotive, industrial, and consumer electronics.
The LTC1871IMS-7 is a high-performance voltage regulator, specifically a step-down (buck) converter, which is used to efficiently manage power supply in various electronic applications. ADI is known for its innovative solutions in signal processing and power management, contributing to advancements in technology across multiple industries. The company focuses on delivering high-quality components that support the ever-evolving demands of modern electronic systems.
The LTC1871IMS-7 is a high-performance voltage regulator, specifically a step-down (buck) converter, which is used to efficiently manage power supply in various electronic applications. ADI is known for its innovative solutions in signal processing and power management, contributing to advancements in technology across multiple industries. The company focuses on delivering high-quality components that support the ever-evolving demands of modern electronic systems.
Application
The LTC1871IMS-7 is a high-speed, high-precision voltage/current measurement IC primarily used in applications such as power management, battery monitoring, and telecommunications. It is ideal for automotive systems, industrial automation, and portable devices due to its ability to provide accurate analog-to-digital conversion. Additionally, it is employed in energy metering, sensor interfacing, and data acquisition systems. Its versatility and high performance make it suitable for both consumer electronics and complex industrial applications where precise measurement and control are critical.
Package
The LTC1871IMS-7 is available in a 16-lead TSSOP (Thin Shrink Small Outline Package) package type.
