Спецификации
| Атрибут | Ценность |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 85 C |
| Series | LTC3701 |
| Brand | Analog Devices |
| ProductType | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| MountingStyle | SMD/SMT |
| OperatingSupplyCurrent | 460 uA |
| Topology | Buck |
| OutputVoltage | 800 mV to 10 V |
| OutputCurrent | 5 A |
| NumberofOutputs | 2 Output |
| InputVoltage-Min | 2.5 V |
| InputVoltage-Max | 10 V |
| SwitchingFrequency | 300 kHz to 750 kHz |
| Height | 1.75 mm |
| DeliveryRestrictions | Mouser does not sell this product in your region. |
| Package/Case | SSOP-16 |
Обзор
Description
The LTC3701EGN is a high-performance, step-down (buck) switching regulator from Linear Technology (now part of Analog Devices). It is designed to provide efficient power conversion in applications requiring a low output voltage from a higher input voltage. Key features include a wide input voltage range, typically from 4.5V to 60V, and adjustable output voltage down to 0.8V. The device offers high efficiency, often exceeding 90%, which helps in reducing heat generation and improving reliability.
The LTC3701EGN integrates a current mode control architecture that enables fast transient response and simplifies compensation. It includes built-in protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout. The regulator is packaged in a thermally enhanced 16-lead TSSOP, making it suitable for space-constrained designs.
This IC is ideal for applications in industrial, automotive, and telecommunications where efficient and reliable power management is critical.
The LTC3701EGN integrates a current mode control architecture that enables fast transient response and simplifies compensation. It includes built-in protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout. The regulator is packaged in a thermally enhanced 16-lead TSSOP, making it suitable for space-constrained designs.
This IC is ideal for applications in industrial, automotive, and telecommunications where efficient and reliable power management is critical.
Equivalent
Equivalent products for the LTC3701EGN include the LM5117, MAX15006, and TPS40210. These chips are used for power management and DC-DC conversion applications, offering similar functionalities such as adjustable output voltage and current regulation. Always check specific datasheets for detailed specifications and compatibility before substituting.
Features
The LTC3701EGN is a dual-output synchronous step-down DC-DC controller designed for high efficiency and flexibility in power management applications. Key features include:
1. Dual Output: Supports two independent outputs with adjustable voltage levels.
2. High Efficiency: Achieves up to 95% efficiency under various load conditions.
3. Wide Input Voltage Range: Operates from a 4.5V to 60V input, making it suitable for a broad range of applications.
4. Current Mode Control: Ensures stable operation and fast transient response.
5. Programmable Frequency: Allows switching frequency adjustment from 100 kHz to 1 MHz for optimal performance.
6. Soft-Start Function: Minimizes inrush current during startup, enhancing system reliability.
7. Overcurrent Protection: Includes built-in features to protect against overcurrent conditions.
8. Thermal Shutdown: Protects the device from overheating, ensuring safe operation.
9. Compact Package: Available in a 16-lead TSSOP package, facilitating easy integration into designs.
These features make the LTC3701EGN suitable for various applications, including industrial and automotive power supply systems.
1. Dual Output: Supports two independent outputs with adjustable voltage levels.
2. High Efficiency: Achieves up to 95% efficiency under various load conditions.
3. Wide Input Voltage Range: Operates from a 4.5V to 60V input, making it suitable for a broad range of applications.
4. Current Mode Control: Ensures stable operation and fast transient response.
5. Programmable Frequency: Allows switching frequency adjustment from 100 kHz to 1 MHz for optimal performance.
6. Soft-Start Function: Minimizes inrush current during startup, enhancing system reliability.
7. Overcurrent Protection: Includes built-in features to protect against overcurrent conditions.
8. Thermal Shutdown: Protects the device from overheating, ensuring safe operation.
9. Compact Package: Available in a 16-lead TSSOP package, facilitating easy integration into designs.
These features make the LTC3701EGN suitable for various applications, including industrial and automotive power supply systems.
Pinout
The LTC3701EGN is a dual output synchronous step-down (buck) regulator with a pin count of 28. It is designed for high efficiency and flexibility in power management applications.
Key pin functions include:
- VIN: Input voltage supply
- VOUT1/VOUT2: Regulated output voltages
- GND: Ground reference
- SW1/SW2: Switch node connections to the inductors
- COMP1/COMP2: Compensation network connections for stability
- RT: Resistor to set the switching frequency
- CSN1/CSN2: Current sense inputs for overcurrent protection
- FB1/FB2: Feedback voltage sense inputs for regulation
- SS1/SS2: Soft-start control for output voltage ramp-up
- SYNC: Synchronization input for switching frequency
- PGOOD: Power good indicator for output status
- SENSE1/SENSE2: Additional current sense inputs for improved accuracy
The LTC3701EGN is suitable for applications requiring compact, efficient power supplies.
Key pin functions include:
- VIN: Input voltage supply
- VOUT1/VOUT2: Regulated output voltages
- GND: Ground reference
- SW1/SW2: Switch node connections to the inductors
- COMP1/COMP2: Compensation network connections for stability
- RT: Resistor to set the switching frequency
- CSN1/CSN2: Current sense inputs for overcurrent protection
- FB1/FB2: Feedback voltage sense inputs for regulation
- SS1/SS2: Soft-start control for output voltage ramp-up
- SYNC: Synchronization input for switching frequency
- PGOOD: Power good indicator for output status
- SENSE1/SENSE2: Additional current sense inputs for improved accuracy
The LTC3701EGN is suitable for applications requiring compact, efficient power supplies.
Manufacturer
The LTC3701EGN is manufactured by Analog Devices, Inc. Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company specializes in designing and manufacturing semiconductors that serve a wide range of applications, including automotive, communications, industrial, healthcare, and consumer electronics.
Analog Devices is known for its innovations in signal processing and is recognized for its commitment to quality and performance in the semiconductor industry. The LTC3701 itself is a high-performance, synchronous step-down (buck) DC-DC controller designed for high-efficiency power management in various electronic systems, reflecting Analog Devices' focus on advanced technology solutions for efficient power conversion and regulation. Overall, the company plays a crucial role in enabling the functionality of modern electronic devices through its extensive portfolio of analog and mixed-signal products.
Analog Devices is known for its innovations in signal processing and is recognized for its commitment to quality and performance in the semiconductor industry. The LTC3701 itself is a high-performance, synchronous step-down (buck) DC-DC controller designed for high-efficiency power management in various electronic systems, reflecting Analog Devices' focus on advanced technology solutions for efficient power conversion and regulation. Overall, the company plays a crucial role in enabling the functionality of modern electronic devices through its extensive portfolio of analog and mixed-signal products.
Application
The LTC3701EGN is a high-performance, dual output step-down (buck) DC-DC controller used primarily in power management applications. Its key application areas include:
1. Power Supply Regulation: For converting higher voltage inputs to lower outputs in various electronics.
2. Telecommunications Equipment: Providing stable power for networking devices.
3. Consumer Electronics: Used in devices like laptops and smartphones for efficient battery management.
4. Industrial Equipment: Powering sensors and control systems.
5. Automotive Applications: Supplying power to various automotive electronics.
Its versatility and efficiency make it suitable for a wide range of applications requiring reliable voltage regulation.
1. Power Supply Regulation: For converting higher voltage inputs to lower outputs in various electronics.
2. Telecommunications Equipment: Providing stable power for networking devices.
3. Consumer Electronics: Used in devices like laptops and smartphones for efficient battery management.
4. Industrial Equipment: Powering sensors and control systems.
5. Automotive Applications: Supplying power to various automotive electronics.
Its versatility and efficiency make it suitable for a wide range of applications requiring reliable voltage regulation.
Package
The LTC3701EGN is packaged in a 20-lead TSSOP (Thin Shrink Small Outline Package) format.