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LT1961EMS8E
+BOMSwitching Voltage Regulators LT1961 - 1.5A, 1.25MHz Step-Up Switching Regulator
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ManufacturerAnalog Devices
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Mfr. Part #LT1961EMS8E
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Datasheet LT1961EMS8E DataSheet
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In Stock12524
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Specifications
| Attribute | Value |
Overview
Description
The LT1961EMS8E is a high-efficiency switching regulator from Analog Devices, designed for DC-DC conversion applications. It features a step-down architecture, enabling it to efficiently convert higher voltage input to a lower voltage output. The device is housed in an MSOP-8 package, which makes it compact and suitable for space-constrained applications.
Key characteristics of the LT1961EMS8E include a high switching frequency, typically around 1.25 MHz, which reduces the size of external components like inductors and capacitors, thereby saving board space. It also boasts a wide input voltage range and can deliver a significant output current, making it versatile for various applications. The regulator incorporates features such as soft-start, thermal shutdown, and short-circuit protection to enhance reliability and performance.
The LT1961EMS8E is used in applications where power efficiency is crucial, such as in battery-powered devices, portable electronics, and distributed power systems. Its design ensures minimal power loss and heat generation, contributing to longer battery life and improved system stability.
Key characteristics of the LT1961EMS8E include a high switching frequency, typically around 1.25 MHz, which reduces the size of external components like inductors and capacitors, thereby saving board space. It also boasts a wide input voltage range and can deliver a significant output current, making it versatile for various applications. The regulator incorporates features such as soft-start, thermal shutdown, and short-circuit protection to enhance reliability and performance.
The LT1961EMS8E is used in applications where power efficiency is crucial, such as in battery-powered devices, portable electronics, and distributed power systems. Its design ensures minimal power loss and heat generation, contributing to longer battery life and improved system stability.
Equivalent
The LT1961EMS8E is a high-efficiency step-down switching regulator. Equivalent products might include:
1. LM2675 - from Texas Instruments
2. MIC4576 - from Microchip Technology
3. TPS54331 - from Texas Instruments
4. ADP2300 - from Analog Devices
These alternatives offer similar functionalities and specifications, but ensure to check the datasheets for compatibility with your specific requirements.
1. LM2675 - from Texas Instruments
2. MIC4576 - from Microchip Technology
3. TPS54331 - from Texas Instruments
4. ADP2300 - from Analog Devices
These alternatives offer similar functionalities and specifications, but ensure to check the datasheets for compatibility with your specific requirements.
Features
The LT1961EMS8E is a high-efficiency, monolithic step-down switching regulator. Key features include:
1. Wide Input Voltage Range: It operates from 3.3V to 25V, making it versatile for various applications.
2. Adjustable Output Voltage: The output can be set between 1.2V and 15V, allowing flexibility.
3. High Efficiency: The regulator is designed to provide high efficiency, particularly at light load conditions.
4. Current Mode Control: This feature ensures excellent line and load transient response.
5. Internal Power Switch: The device integrates a 1.5A power switch, reducing the need for external components.
6. Low Shutdown Current: It features a low shutdown current of 20µA, conserving power when not in use.
7. Thermal Protection: Built-in thermal protection prevents overheating, enhancing reliability.
8. Compact Package: Available in an 8-lead MSOP package, it is suitable for space-constrained designs.
9. Frequency Operation: Fixed frequency operation simplifies filtering, reducing EMI concerns.
These features make the LT1961EMS8E suitable for applications in portable devices, automotive systems, and other power management scenarios.
1. Wide Input Voltage Range: It operates from 3.3V to 25V, making it versatile for various applications.
2. Adjustable Output Voltage: The output can be set between 1.2V and 15V, allowing flexibility.
3. High Efficiency: The regulator is designed to provide high efficiency, particularly at light load conditions.
4. Current Mode Control: This feature ensures excellent line and load transient response.
5. Internal Power Switch: The device integrates a 1.5A power switch, reducing the need for external components.
6. Low Shutdown Current: It features a low shutdown current of 20µA, conserving power when not in use.
7. Thermal Protection: Built-in thermal protection prevents overheating, enhancing reliability.
8. Compact Package: Available in an 8-lead MSOP package, it is suitable for space-constrained designs.
9. Frequency Operation: Fixed frequency operation simplifies filtering, reducing EMI concerns.
These features make the LT1961EMS8E suitable for applications in portable devices, automotive systems, and other power management scenarios.
Pinout
The LT1961EMS8E is a switching regulator from Analog Devices. It typically comes in an 8-pin MSOP (Mini Small Outline Package) configuration. Here’s a concise description of its pin functions:
1. SW (Pin 1): The switch pin is connected to the inductor and flyback diode.
2. GND (Pins 2 and 7): Ground pins.
3. FB (Pin 3): The feedback pin is used to set the output voltage.
4. SHDN (Pin 4): Shutdown pin. Pulling this pin low puts the device into a low-power shutdown mode.
5. VIN (Pin 5): The input voltage pin.
6. BOOST (Pin 6): This pin is used to drive the gate of the internal power switch above the input voltage.
7. VC (Pin 8): Compensation pin for frequency compensation of the control loop.
These functions enable the LT1961EMS8E to efficiently regulate voltage in various electronic applications.
1. SW (Pin 1): The switch pin is connected to the inductor and flyback diode.
2. GND (Pins 2 and 7): Ground pins.
3. FB (Pin 3): The feedback pin is used to set the output voltage.
4. SHDN (Pin 4): Shutdown pin. Pulling this pin low puts the device into a low-power shutdown mode.
5. VIN (Pin 5): The input voltage pin.
6. BOOST (Pin 6): This pin is used to drive the gate of the internal power switch above the input voltage.
7. VC (Pin 8): Compensation pin for frequency compensation of the control loop.
These functions enable the LT1961EMS8E to efficiently regulate voltage in various electronic applications.
Manufacturer
The LT1961EMS8E is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. Their products are widely used in various industries, including communications, automotive, industrial, healthcare, and consumer electronics.
Application
The LT1961EMS8E is a step-down switching regulator, widely used in several applications due to its efficiency and compact design. Key application areas include portable electronics, automotive systems, industrial power supplies, telecommunications equipment, and distributed power systems. It is ideal for use in battery-powered devices where space and power efficiency are critical. Additionally, it can be used in DC-DC conversion for microprocessors and digital signal processors, where stable and reliable power is required. Its robust performance makes it suitable for various consumer electronics and embedded systems requiring efficient voltage regulation and power management.
Package
The LT1961EMS8E is packaged in an 8-lead MSOP (Mini Small Outline Package), which is a surface-mount package designed to save space on circuit boards.
