Overview
The LTC3310SIV#WPBF is a high-performance, monolithic step-down DC/DC converter produced by Analog Devices Inc. This device is part of the Silent Switcher 2 family, designed to provide low noise and high efficiency. It is capable of delivering up to 10A of output current from an input voltage range of 2.25V to 5.5V. The LTC3310SIV#WPBF features a constant-frequency, peak current mode control architecture, which ensures fast transient response and high efficiency at switching frequencies up to 5MHz. The device is optimized for noise-sensitive applications and is suitable for high current requirements, making it an ideal choice for various industrial, automotive, and communication systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Supply Voltage (VIN) | 2.25 | 5.5 | V | |
| Output Voltage Range | 0.5 | 5.5 | V | |
| Output Current | 10 | A | ||
| Switching Frequency | 5 | MHz | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Minimum On-Time | 35 | 60 | ns | |
| Top Switch ON-Resistance | 16 | mΩ | ||
| Bottom Switch ON-Resistance | 4.5 | mΩ | ||
| Package Type | 18-TFQFN Exposed Pad |
Key Features
- Silent Switcher 2 Architecture: Ultralow EMI emissions, high efficiency, and internal hot loop bypass capacitors.
- High Efficiency: Achieved through 4.5mΩ NMOS and 16mΩ PMOS switches.
- Fast Transient Response: Constant-frequency, peak current mode control architecture.
- Wide Input Voltage Range: 2.25V to 5.5V.
- Adjustable Output Voltage: From 0.5V to 5.5V.
- High Current Capability: Up to 10A of output current.
- Power Good Signal: Indicates when the output is in regulation.
- Precision Enable Threshold: With hysteresis for reliable operation.
- Output Overvoltage Protection: And thermal shutdown for safety.
- Clock Synchronization and Mode Selection: For flexible operation.
- Output Short Circuit Protection: Ensures device safety under fault conditions.
- AEC-Q100 Qualified: Suitable for automotive applications.
Applications
- Automotive Systems: AEC-Q100 qualified for reliability in automotive applications.
- Industrial Systems: Suitable for high current and noise-sensitive industrial applications.
- Communication Systems: Used in telecom power supplies and distributed DC power systems.
- Servers and Data Centers: Ideal for power supplies in servers and data center equipment.
- FPGA, ASIC, and CPU Power Supplies: Provides high current and low noise for sensitive digital circuits.
Q & A
- What is the input voltage range of the LTC3310SIV#WPBF?
The input voltage range is from 2.25V to 5.5V.
- What is the maximum output current of the LTC3310SIV#WPBF?
The maximum output current is up to 10A.
- What is the switching frequency of the LTC3310SIV#WPBF?
The switching frequency can be up to 5MHz.
- What is the operating temperature range of the LTC3310SIV#WPBF?
The operating temperature range is from -40°C to 125°C.
- Does the LTC3310SIV#WPBF have built-in overvoltage protection?
Yes, it includes output overvoltage protection.
- Is the LTC3310SIV#WPBF suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive reliability.
- What is the package type of the LTC3310SIV#WPBF?
The package type is 18-TFQFN Exposed Pad.
- Does the LTC3310SIV#WPBF support multi-phasing parallel converters?
Yes, it supports multi-phasing parallel converters for higher power requirements.
- What is the minimum on-time of the LTC3310SIV#WPBF?
The minimum on-time is 35ns.
- Does the LTC3310SIV#WPBF have a power good signal feature?
Yes, it includes a power good signal when the output is in regulation.
