| Allicdata Part #: | LTC1682CS8#TRPBF-ND |
| Manufacturer Part#: |
LTC1682CS8#TRPBF |
| Price: | $ 1.34 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG SWTCHD CAP ADJ 50MA 8SOIC |
| More Detail: | Charge Pump Switching Regulator IC Positive Adjust... |
| DataSheet: |  LTC1682CS8#TRPBF Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 1.22095 |
Specifications
| Voltage - Output (Min/Fixed): | 2.5V |
| Base Part Number: | LTC1682 |
| Supplier Device Package: | 8-SOIC |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | 0°C ~ 70°C (TA) |
| Synchronous Rectifier: | No |
| Frequency - Switching: | 550kHz |
| Current - Output: | 50mA |
| Voltage - Output (Max): | 5.5V |
| Series: | -- |
| Voltage - Input (Max): | 4.4V |
| Voltage - Input (Min): | 1.8V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Charge Pump |
| Output Configuration: | Positive |
| Function: | Step-Up/Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The LTC1682CS8#TRPBF is a monolithic synchronous buck regulator controller with integrated high-side and low-side MOSFET’s. This product is designed for low-noise, high-current regulation of medium- to high-power step-down applications, providing a compact solution in a small SIP package. The device features a voltage mode control loop configuration with a fixed frequency of just under 300khz.
Application Field
The LTC1682CS8#TRPBF is designed to provide a high-performance, low-cost solution for a variety of low-voltage, step-down voltage regulation applications. In particular, it is well suited for Li-Ion battery pack charging and internal power supply regulation for consumer electronics, consumer networking devices, server systems, video game systems, PCs and tablets. Its precision output regulation and its ability to deliver up to 800mA of output current make it easy to implement an efficient, reliable and cost-effective solution for a broad range of applications.
Working Principle
The LTC1682CS8#TRPBF operates from standard +5V to +32V input supply range, allowing it to easily perform in a wide range of step-down regulatory applications. As a switching regulator, it converts input voltage to an output voltage while maintaining a constant current. The output voltage is set externally with a single resistor. The output voltage regulation is achieved through the use of a fixed frequency, PWM voltage-mode control loop. Additionally, the device incorporates an integrated soft-start feature, which reduces inrush current and transient overshoot during startup.
The device’s design enables an optimized balance of power and efficiency while maintaining a high level of accuracy and output ripple. The device’s synchronous buck topology provides maximum efficiency, allowing it to achieve efficiency of up to 90% or better. It includes a patented current-mode control loop, which ensures fast transient response, excellent line and load regulation, and low output noise. Additionally, it incorporates an integrated over-current protection feature, which protects the device and load from over-current conditions.
The LTC1682CS8#TRPBF is also safe and reliable, featuring an integrated thermal shutdown feature, which protects the device from thermal overload. It also includes an open circuit output voltage protection feature, which prevents excessive leakage currents. Finally, the device includes a low-voltage lockout feature, which prevents the device from operating below the input voltage range.
In summary, the LTC1682CS8#TRPBF is an ideal solution for low-voltage, step-down voltage regulation applications. It offers a compact, cost-effective solution in a small SIP package, along with excellent power and efficiency, precise output voltage regulation, low output noise and fast transient response. Additionally, it offers a variety of features to ensure safe and reliable operation.
The specific data is subject to PDF, and the above content is for reference
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