圖片僅供參考
LTC3703EGN#TRPBF
+物料清單IC REG CTRLR BUCK 16SSOP
-
製造商ADI公司
-
製造商部分 #LTC3703EGN#TRPBF
-
有存貨189
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 9.3V ~ 15V |
| Frequency - Switching | 100kHz ~ 600kHz |
| Duty Cycle (Max) | 93% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SSOP |
| Base Product Number | LTC3703 |
概述
Description
Key features include programmable output voltage, adjustable switching frequency, and built-in protection mechanisms such as overvoltage, overcurrent, and thermal shutdown. The LTC3703 is packaged in a thermally enhanced 20-lead TSSOP, which aids in efficient heat dissipation. Its flexibility and robust performance make it an ideal choice for designers looking to implement reliable and efficient DC-DC conversion solutions in their systems.
For detailed specifications and application notes, referring to the manufacturer's datasheet is recommended.
Equivalent
1. LM2596 - A popular adjustable step-down regulator.
2. TPS54332 - A high-efficiency synchronous buck converter from Texas Instruments.
3. MP1584 - A compact, high-efficiency step-down regulator.
4. LM2675 - A simple switcher step-down regulator.
Always verify specifications and compatibility for your specific application.
Features
1. Dual Output: Capable of driving two outputs with independent voltage control.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various applications.
3. Adjustable Output Voltage: Output voltages can be set from 0.8V to 90% of input voltage, allowing flexibility in design.
4. High Efficiency: Utilizes synchronous rectification to achieve efficiencies up to 95%.
5. Current Mode Control: Ensures stable operation and fast transient response.
6. Programmable Switching Frequency: Adjustable from 200kHz to 2.5MHz, optimizing for size and efficiency.
7. Protection Features: Includes over-voltage, under-voltage, and thermal protection for enhanced reliability.
8. Soft-Start Functionality: Reduces inrush current during startup.
The LTC3703 is suitable for high-power applications in telecommunications, industrial equipment, and automotive systems.
Pinout
Key functions of the pins include:
1. Power Input Pins: VIN and VCC for power supply connections.
2. Control Pins: EN (enable), COMP (compensation network), and RT (frequency setting).
3. Feedback Pins: FB (feedback voltage) for voltage regulation.
4. Synchronization: SYNC for external clock synchronization.
5. Phase Control: PHASE pins for controlling the phase of the two channels.
6. Switching Nodes: SW pins connect to the power switches.
7. Compensation Network: A set of pins to enable loop compensation.
8. Ground Pins: AGND and PGND for separating analog and power grounds.
This controller is widely used in applications requiring efficient power conversion with tight voltage regulation and current sharing.
Manufacturer
Application
1. DC-DC Converters: It serves in step-down (buck) converter designs.
2. Power Supply Units: Utilized in desktop and server power supply systems.
3. Telecommunications: Aids in powering communication devices and network equipment.
4. Industrial Equipment: Supports various industrial automation and control systems.
5. Consumer Electronics: Employed in battery-operated devices for efficient power usage.
6. Automotive Applications: Used in automotive electronics for voltage regulation.
Its versatility makes it suitable for a wide range of electronic solutions.