| Allicdata Part #: | LTC3630HMSE#PBF-ND |
| Manufacturer Part#: |
LTC3630HMSE#PBF |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG BUCK INV 0.5A SYNC 16MSOP |
| More Detail: | Buck Switching Regulator IC Positive or Negative A... |
| DataSheet: | LTC3630HMSE#PBF Datasheet/PDF |
| Quantity: | 208 |
| Voltage - Output (Min/Fixed): | 0.8V (1.8V, 3.3V, 5V) |
| Base Part Number: | LTC3630 |
| Supplier Device Package: | 16-MSOP-EP |
| Package / Case: | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad, 12 Leads |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | -- |
| Current - Output: | 500mA |
| Voltage - Output (Max): | 65V |
| Series: | -- |
| Voltage - Input (Max): | 65V |
| Voltage - Input (Min): | 4V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable (Programmable) |
| Topology: | Buck |
| Output Configuration: | Positive or Negative |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tube |
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PMIC - Voltage Regulators - DC DC Switching Regulators
The LTC3630HMSE#PBF is a new-generation, high-performance, single-channel synchronous step-down switching regulator. It uses a proprietary switching architecture coined Synchronous-Adaptive Constant On-Time (S-ACT) mode, which enables simple and fast transient response. With its high accuracy, fast regulation loop, and broad operating temperature range, the LTC3630HMSE#PBF is ideal for a wide variety of applications such as CPU core power and general power management, handheld devices, and portable equipment.
Features
The LTC3630HMSE#PBF offers a wide range of features including:
- Accurately regulated output: The LTC3630HMSE#PBF offers an accuracy of ±2% over the full line, load, and temperature range.
- High DC-DC conversion efficiency: With its high efficiency, the LTC3630HMSE#PBF can achieve up to 95% efficiency even at light loads.
- Flexible solution architecture: The device supports a wide variety of external components and adapts to different power supply and output requirements.
- High integration and low BOM cost: The LTC3630HMSE#PBF utilizes an advanced process to integrate multiple components, resulting in fewer external components at lower cost.
- Synchronous-Adaptive Constant On-Time (S-ACT) operating mode: The LTC3630HMSE#PBF is a synchronous step-down switch regulator that operates at fixed frequency in order to reduce external component count and power loss.
- Wide operating temperature range: Operating temperature range is -40°C to +85°C.
Application fields
The LTC3630HMSE#PBF is suitable for a variety of applications, such as:
- Core power supplies for CPU, FPGA, or ASIC applications
- Portable applications such as digital audio players and handheld equipment
- Battery-powered and distributed power supply designs
- Processor core power for laptop, desktop, and server systems
Working Principle
The LTC3630HMSE#PBF utilizes Synchronous-Adaptive Constant On-Time (S-ACT) mode to control the switch regulator. This mode is a variation of Constant On-Time (COT) mode, a type of peak current mode control which develops high efficiency across a wide range of load current levels. In COT mode, the switch is activated at a set frequency, and an on-time value is selected so that the inductor current reaches its peak value. The peak inductor current level is kept constant throughout the load range, and the output voltage follows the same characteristics of an inductor-based current regulator operating in constant-voltage mode.
The LTC3630HMSE#PBF adopts S-ACT mode, where the peak inductor current level is constantly monitored and adjusted to optimize efficiency and transient response. The chip uses an adaptive loop to monitor the peak of the inductor current and compare it to a reference to adjust the switch on-time, resulting in faster and more accurate response to current steps.
The LTC3630HMSE#PBF also supports several other operating modes, such as variable frequency mode, burst mode operation (BMO) and full-on mode (FOM). These different modes enable the device to optimize efficiency across the entire load range, while maintaining a very fast transient response.
Conclusion
The LTC3630HMSE#PBF is a high-performance single-channel synchronous step-down switching regulator. It is suitable for a variety of applications, including portable and CPU core power supplies, and offers high accuracy, fast regulation loop and wide operating temperature range. The device utilizes S-ACT mode which is a variation of the Constant On-Time (COT) mode to control the switch regulator and ensure high efficiency and fast transient response.
The specific data is subject to PDF, and the above content is for reference
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LTC3630HMSE#PBF Datasheet/PDF