| Allicdata Part #: | LT1935ES5#TRPBFTR-ND |
| Manufacturer Part#: |
LT1935ES5#TRPBF |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG MULT CONFIG ADJ 2A TSOT23 |
| More Detail: | Boost, Flyback, SEPIC Switching Regulator IC Posit... |
| DataSheet: |  LT1935ES5#TRPBF Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Voltage - Output (Min/Fixed): | 1.265V |
| Base Part Number: | LT1935 |
| Supplier Device Package: | TSOT-23-5 |
| Package / Case: | SOT-23-5 Thin, TSOT-23-5 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | 0°C ~ 70°C (TA) |
| Synchronous Rectifier: | No |
| Frequency - Switching: | 1.2MHz |
| Current - Output: | 2A (Switch) |
| Voltage - Output (Max): | 38V |
| Series: | -- |
| Voltage - Input (Max): | 16V |
| Voltage - Input (Min): | 2.3V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Boost, Flyback, SEPIC |
| Output Configuration: | Positive |
| Function: | Step-Up, Step-Up/Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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LT1935ES5#TRPBF Application Field and Working Principle
Introduction: The LT1935ES5#TRPBF is a synchronous buck regulator designed to regulate an output voltage as low as 0.8V. The switching frequency is adjustable up to 2MHz and internal compensation simplifies the design. The optional spread spectrum mode reduces EMI concerns in sensitive applications. The wide 4.5V to 18V input voltage range allows operation from popular battery technologies along with trans- former coupled AC line sources. Excellent efficiency, high switching frequencies and low profile packaging can reduce system size and cost.
Application Field:
- Computer Servers
- Tablet PCs
- Printed Circuit Boards
- Gaming Systems
- Mobile Phones
- Automotive Applications
Working Principle: The LT1935ES5#TRPBF works as a synchronous buck regulator by regulating the voltage across an inductor down to the output voltage. The LT1935ES5#TRPBF operates as a pulse width modulator (PWM) controller to drive the switching MOSFETs, allowing the inductor current to be regulated while switching at a fixed frequency. The onboard MOSFETs are rated for up to 10A of output current. A synchronous MOSFET is used at the output to provide higher efficiency and lower dropout voltage relative to a conventional P-channel regulator. The output voltage is regulated to a ±0.8% accuracy. It’s also adjustable using a resistor divider, as well as pulse skipping mode for improved efficiency at light loads.
Conclusion: The LT1935ES5#TRPBF is an ideal voltage regulator for applications such as computer servers, gaming systems, tablet PCs, mobile phones and automotive applications. Its wide input voltage range and high efficiency make it a good choice for high current and low output voltage applications. Its adjustable switching frequency and onboard compensation reduce design time and cost.
The specific data is subject to PDF, and the above content is for reference
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