LTC1877 (4)
LTC1877 is available from Analog Devices at Xecor. Designed for high-efficiency synchronous step-down regulation, the LTC1877 offers up to 95% efficiency, a low quiescent current of only 10µA, and a wide input voltage range of 2.65V to 10V. Available in 8-pin MSOP and TSSOP packages, it is ideal for portable instruments, battery-powered equipment, cellular telephones, and wireless modems. Whether used in distributed power systems or personal information appliances, this series ensures reliable performance, low dropout operation, and scalability for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC1877 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC1877EMS8#PBF | 600mA maximum output current with input voltage range of 2.65V to 10V | MSOP-8 | 7,116 | |
| LTC1877EMS8#TRPBF | Efficient Monolithic Synchronous Step-Down Regulator | MSOP-8 | 5,288 | |
| LTC1877IMS8#TRPBF | Small 8MSOP package for space-constrained designs | MSOP-8 | 3,651 | |
| LTC1877IMS8#PBF | Compact synchronous step-down converter for space-saving designs | MSOP-8 | 7,996 |
Key Featrues
High Efficiency (Up to 95%): The LTC1877 boasts an efficiency of up to 95%, significantly reducing power loss and improving battery life in portable devices. This feature is particularly beneficial for applications like cellular telephones and wireless modems, where energy conservation is critical.
Very Low Quiescent Current (Only 10µA): With a quiescent current of just 10µA during operation, the LTC1877 minimizes power consumption when the device is in standby or light-load conditions. This enhances the overall energy efficiency, making it ideal for battery-powered equipment and portable instruments.
2.65V to 10V Input Voltage Range: The wide input voltage range allows the LTC1877 to operate efficiently with both single and dual Li-Ion batteries. This flexibility broadens its use cases, including distributed power systems and personal information appliances, where varying input voltages are common.
550kHz Constant-Frequency Operation: The LTC1877 operates at a constant frequency of 550kHz, ensuring predictable performance and reducing electromagnetic interference (EMI). This feature is advantageous in applications requiring stable and reliable power conversion, such as portable instruments and battery-powered devices.
Low Dropout Operation (100% Duty Cycle): The 100% duty cycle capability enables low dropout operation, allowing the regulator to maintain output voltage even when the input voltage is very close to the output voltage. This extends battery life in portable systems and ensures continuous operation in critical applications like wireless modems and cellular telephones.
Very Low Quiescent Current (Only 10µA): With a quiescent current of just 10µA during operation, the LTC1877 minimizes power consumption when the device is in standby or light-load conditions. This enhances the overall energy efficiency, making it ideal for battery-powered equipment and portable instruments.
2.65V to 10V Input Voltage Range: The wide input voltage range allows the LTC1877 to operate efficiently with both single and dual Li-Ion batteries. This flexibility broadens its use cases, including distributed power systems and personal information appliances, where varying input voltages are common.
550kHz Constant-Frequency Operation: The LTC1877 operates at a constant frequency of 550kHz, ensuring predictable performance and reducing electromagnetic interference (EMI). This feature is advantageous in applications requiring stable and reliable power conversion, such as portable instruments and battery-powered devices.
Low Dropout Operation (100% Duty Cycle): The 100% duty cycle capability enables low dropout operation, allowing the regulator to maintain output voltage even when the input voltage is very close to the output voltage. This extends battery life in portable systems and ensures continuous operation in critical applications like wireless modems and cellular telephones.
Applications
Portable Medical Devices: The LTC1877 is ideal for powering portable medical devices, such as glucose monitors and portable ECG machines. Its high efficiency and low quiescent current ensure extended battery life, while the 2.65V to 10V input voltage range makes it suitable for single or dual Li-Ion battery configurations, enabling reliable operation in critical healthcare applications.
IoT Edge Devices: The LTC1877 is well-suited for IoT edge devices, such as wireless sensors and smart meters. Its low dropout operation and 550kHz switching frequency provide efficient power conversion, ensuring reliable performance in energy-constrained environments. The adjustable output voltage allows customization for various low-power IoT applications.
Wearable Electronics: The LTC1877 is perfect for wearable electronics, such as fitness trackers and smartwatches. Its compact 8-pin MSOP package and high efficiency make it ideal for space-constrained designs, while the low quiescent current and shutdown mode minimize power consumption, extending battery life in portable wearable devices.
Industrial Automation Systems: The LTC1877 is an excellent choice for powering industrial automation systems, such as PLCs and motor controllers. Its wide input voltage range and synchronous rectification ensure stable operation in harsh industrial environments, while the current mode control provides excellent load transient response, making it suitable for precision control applications.
IoT Edge Devices: The LTC1877 is well-suited for IoT edge devices, such as wireless sensors and smart meters. Its low dropout operation and 550kHz switching frequency provide efficient power conversion, ensuring reliable performance in energy-constrained environments. The adjustable output voltage allows customization for various low-power IoT applications.
Wearable Electronics: The LTC1877 is perfect for wearable electronics, such as fitness trackers and smartwatches. Its compact 8-pin MSOP package and high efficiency make it ideal for space-constrained designs, while the low quiescent current and shutdown mode minimize power consumption, extending battery life in portable wearable devices.
Industrial Automation Systems: The LTC1877 is an excellent choice for powering industrial automation systems, such as PLCs and motor controllers. Its wide input voltage range and synchronous rectification ensure stable operation in harsh industrial environments, while the current mode control provides excellent load transient response, making it suitable for precision control applications.
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