Allicdata Part #: | LTC1771ES8#TRPBF-ND |
Manufacturer Part#: |
LTC1771ES8#TRPBF |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG CTRLR BUCK 8SOIC |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | LTC1771ES8#TRPBF Datasheet/PDF |
Quantity: | 1000 |
Specifications
Frequency - Switching: | -- |
Base Part Number: | LTC1771 |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Operating Temperature: | -40°C ~ 85°C (TA) |
Control Features: | Enable, Soft Start |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | No |
Duty Cycle (Max): | 100% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 2.8 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) |
Description
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The LTC1771ES8#TRPBF is a high-performance integrated switch-mode power supply controller. This advanced design controller includes most of the features and functions of a complete switch-mode power supply while still maintaining a small, feature-rich package. The controller is designed to supply the voltage regulation, protection, and sequencing functions for a wide range of switch-mode power supplies. It provides an adjustable output voltage, advance current-mode control techniques for excellent transient performance, current-sensing and cycle-by-cycle pulsed short circuit protection, output over and undervoltage protection, foldback current limiting, user programmable soft-start, and multiple levels of software/hardware fault protection.The features and functions of LTC1771ES8#TRPBF make it ideal for applications such as laptop computers, desktop PCs, printers, LCD monitors, digital televisions, and other consumer electronic products. It is also suitable for a number of industrial, medical, and telecommunications applications that require a reliable, cost-effective, and compact switch-mode power supply controller.The LTC1771ES8#TRPBF is optimized for boosting, bucking, and inverting and is available in an eight-lead Plastic SOIC-8 and six-lead TSSOP-6 package. The operating temperature range for this particular device is from –40°C to +125°C. The device not only features advanced current-mode control but also contains a step down control circuit, which allows it to operate in buck-boost mode and also to be used as a fixed-frequency, dual-phase synchronous buck controller. The device has a wide switching frequency range of 0.1MHz to 100kHz and an adjustable input voltage range of 15V to 85V. When operating, the LTC1771ES8#TRPBF requires a dual PWM clock input, along with either a voltage reference or an external current-sense resistor, to provide accurate output voltage regulation. The device includes an internal voltage reference and a low voltage current-sense amplifier. An optional external current-sense resistor can be used to boost the current sense gain and enable current-mode control. The LTC1771ES8#TRPBF also offers output voltage protection, cycle-by-cycle current limit protection, and short circuit protection. Output overvoltage protection is provided, as well as overcurrent protection, which can be triggered by either the device\'s own sense resistor or an external resistor. In addition, the device has a power on reset circuit, a programmable soft-start, and a Brown-Out Detect (BOD) circuit. The device also provides various modes of output soft-stop. In summary, the LTC1771ES8#TRPBF is a versatile and cost-effective switch-mode power supply controller that offers a wide range of features and functions. It is suitable for a variety of applications, including laptop computers, desktop PCs, printers, LCD monitors, digital televisions, and other consumer electronic products. It offers adjustable output voltage, advance current-mode control, current-sensing, output over and undervoltage protection, foldback current limiting, user programmable soft-start, and multiple levels of protection.
The specific data is subject to PDF, and the above content is for reference
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