| Allicdata Part #: | LTC1266ACS#TRPBF-ND |
| Manufacturer Part#: |
LTC1266ACS#TRPBF |
| Price: | $ 3.75 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG CTRLR BUCK 16SOIC |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: | LTC1266ACS#TRPBF Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 3.40578 |
| Frequency - Switching: | Up to 400kHz |
| Base Part Number: | LTC1266 |
| Supplier Device Package: | 16-SOIC |
| Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature: | 0°C ~ 70°C (TA) |
| Control Features: | Enable |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | Yes |
| Duty Cycle (Max): | 100% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 3.5 V ~ 18 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
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PMIC - Voltage Regulators - DC DC Switching Controllers
The LTC1266ACS#TRPBF is a DC/DC switching controller with a unique level shifter configuration that provides two independent power flexing solutions. It can provide digital logic level shifting from 2 V to 3 V, as well as from 3 V to 5 V or 3.3 V. It also provides dynamic digital level shifting from 2 V to 5 V for a higher signal switching speed. The LTC1266ACS#TRPBF utilizes a synchronous rectifier to minimize switch losses and a voltage mode configuration for stable control.
The primary field of application for the LTC1266ACS#TRPBF is controlling the conversion of unregulated DC power from a source such as a battery, controller, or solar panel to regulated DC power. It can be used as part of a boost, buck, SEPIC, or other switching regulator topologies, such as a dual-motor driver circuit. It is also suitable for voltage level shifting, with both an input and output support of up to 10 V. Another primary application of the LTC1266ACS#TRPBF is in power conditioning and portable equipment, such as mobile phones, tablets, and other consumer electronic devices.
The LTC1266ACS#TRPBF employs both voltage mode and cycle-by-cycle current limit control for precise and efficient current sensing implementation. It contains a built-in 5 V or 3.3 V voltage regulator, a wide VIN range from 3.2 V to 38 V, and an adjustable switching frequency from 20kHz to 1MHz. Its operating temperature range is from -40°C to +85°C. It is available in a variety of packages, including a thermally enhanced, 4mm x 4mm MLP package.
The circuit topology of the LTC1266ACS#TRPBF is the same as any other DC/DC switching controller. It contains a series of resistors to create a voltage divider, which regulates the voltage across the capacitor network. The chip also contains a switch to control the output voltage. By selecting the proper resistor divider combination, one can adjust the output voltage of the controller. For example, by selecting the proper input voltage, one can adjust the output voltage from 1V to 10 V.
In terms of power efficiency, the LTC1266ACS#TRPBF boasts a switching frequency that can be adjusted from 20kHz to 1MHz, an extremely low quiescent current of 4µA in normal operation, and an ultralow shutdown current of 1µA. In addition, the chip is capable of achieving up to 95% efficiency in a typical application.
In conclusion, the LTC1266ACS#TRPBF is a very capable and versatile DC/DC switching controller that can be used for a variety of applications, from voltage level shifting to power conditioning. It is available in a variety of packages and boasts very low quiescent currents, very high efficiencies, and adjustable switching frequencies.
The specific data is subject to PDF, and the above content is for reference
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LTC1266ACS#TRPBF Datasheet/PDF