Allicdata Part #: | LTC1261LIMS8-4#PBF-ND |
Manufacturer Part#: |
LTC1261LIMS8-4#PBF |
Price: | $ 1.88 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG SWTCHD CAP INV -4V 8MSOP |
More Detail: | Charge Pump Switching Regulator IC Negative Fixed ... |
DataSheet: | LTC1261LIMS8-4#PBF Datasheet/PDF |
Quantity: | 1000 |
300 +: | $ 1.71574 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Function: | Step-Up/Step-Down |
Output Configuration: | Negative |
Topology: | Charge Pump |
Output Type: | Fixed |
Number of Outputs: | 1 |
Voltage - Input (Min): | 4.5V |
Voltage - Input (Max): | 5.25V |
Voltage - Output (Min/Fixed): | -4V |
Voltage - Output (Max): | -- |
Current - Output: | 20mA |
Frequency - Switching: | 650kHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
Supplier Device Package: | 8-MSOP |
Base Part Number: | LTC1261 |
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The LTC1261LIMS8-4#PBF is an advanced DC/DC switching regulator control IC. It is specifically designed for use in buck and boost applications that require superior transient response, stability, and precise voltage regulation. This control IC is a high performance device that provides excellent power conversion efficiency and power factor correction, enabling it to be used in a wide range of applications. This device is capable of driving multiple power supplies from a single input source, making it a versatile device for a variety of applications.
The LTC1261LIMS8-4#PBF is a fully protected, synchronous buck-boost converter, providing a wide input operating range of 0.6V to 6V. The device uses a space-saving power package with a low quiescent current of 3mA, allowing it to be used in battery-driven applications. The device features an integrated protection suite with features such as over-temperature protection, under-voltage lockout, internal overcurrent protection and adjustable soft-start. Its wide switching frequency range of 300kHz to 6MHz, adjustable current limit and low output ripple makes it suited for applications such as LED lighting and portable medical device power.
The working principle of the LTC1261LIMS8-4#PBF is relatively simple. It uses a buck-boost converter coupled with a comparator to generate a high-frequency, low-amplitude square wave that is used to regulate the output voltage. The device is dynamically controlled by an internal oscillator and comparator, which allows the regulator to make instantaneous adjustments to the output voltage based on the input voltage and the desired control level. The output voltage can be tuned to the desired level by tweaking the internal parameters of the oscillator and comparator.
The LTC1261LIMS8-4#PBF is suitable for a wide range of applications, including industrial, medical, automotive, and consumer electronics. For example, it can be used in DC-DC inverters for efficient power regulation, in DC-DC converters for efficient power factor correction, and in switch-mode power supplies for efficient power factor correction and noise reduction.
In conclusion, the LTC1261LIMS8-4#PBF is a versatile, high-performance control IC for DC/DC switching regulators. It boasts excellent power conversion efficiency, power factor correction, transient response and thermal protection. Its wide switching frequency range and adjustable current limit makes it suitable for various applications such as LED lighting, portable medical device power, and switch-mode power supplies. At the same time, its low quiescent current makes it suitable for battery-driven applications.
The specific data is subject to PDF, and the above content is for reference
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