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LM5161PWPR
+Lista de MateriaisIC REG BCK FLYBCK ADJ 14HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #LM5161PWPR
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Pacote HTSSOP-14
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Em Estoque4184
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Buck, Flyback |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 100V |
| Voltage - Output (Min/Fixed) | 2V |
| Voltage - Output (Max) | 92V |
| Current - Output | 1A |
| Frequency - Switching | 50kHz ~ 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include a programmable switching frequency (up to 1 MHz), allowing for flexibility in optimizing efficiency and component size. It also integrates various protection features such as undervoltage lockout (UVLO), thermal shutdown, cycle-by-cycle current limiting, and a hiccup mode for overload conditions, ensuring robust and reliable operation.
The LM5161PWPR is housed in a thermally efficient, 16-pin TSSOP package with an exposed pad, enhancing heat dissipation. It is suitable for applications like industrial power supplies, battery-powered systems, and distributed power architectures, where reliability and efficiency are crucial.
Equivalent
1. Texas Instruments: LM5160, LM5140
2. Analog Devices: LT8610, LT8640
3. Microchip Technology: MCP16301, MIC28512
4. ON Semiconductor: NCP3170, NCP303150
5. Maxim Integrated: MAX17502, MAX16903
These alternatives are chosen based on similar input voltage ranges, output current capabilities, and feature sets. Ensure compatibility with your specific requirements before selecting an equivalent.
Features
1. Wide Input Voltage Range: Supports 6 V to 100 V, making it suitable for various applications, including industrial and automotive.
2. Output Current: Capable of delivering up to 1.5 A, ensuring efficient power conversion for moderate loads.
3. Adjustable Output Voltage: Provides flexibility with an adjustable output voltage, allowing precise voltage regulation.
4. High Efficiency: Incorporates synchronous rectification for improved efficiency, especially at light loads.
5. Integrated High-Side and Low-Side MOSFETs: Reduces the need for external components and simplifies design.
6. Current-Mode Control: Offers improved transient response and easy loop compensation.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
8. Low Quiescent Current: Minimizes power consumption during no-load conditions.
9. Compact Package: Available in a thermally enhanced HTSSOP-16 package, facilitating space-saving designs.
These features make the LM5161PWPR suitable for applications requiring robust power management across a wide voltage range, such as telecommunications, industrial automation, and automotive systems.
Pinout
1. VIN: Input voltage supply.
2. EN: Enable pin for turning the device on or off.
3. RT/CLK: Sets the switching frequency or synchronizes to an external clock.
4. PGOOD: Power-good indicator output.
5. UVLO: Under-voltage lockout setting.
6. FB: Feedback input for output voltage regulation.
7. COMP: Compensation network connection for stability.
8. VCC: Internal circuit supply voltage.
9. BOOT: Bootstrap capacitor connection for high-side MOSFET drive.
10. SW: Switch node connected to the inductor.
11. GND: Ground.
12. RPG: Power-good resistor setting.
13. RUVLO: Resistor setting for UVLO.
14. RFBT: Resistor setting for feedback.
15. RFBB: Resistor setting for feedback.
16. COUT: Output capacitor connection.
This concise summary covers the basic pin functions of the LM5161PWPR. For detailed specifications and application guidance, refer to the manufacturer's datasheet.
Manufacturer
Application
1. Industrial Power Supplies: Utilized in converting high-voltage inputs to lower voltages for industrial equipment.
2. Telecommunications: Provides stable power for telecom infrastructure and networking equipment.
3. Automotive Systems: Powers various automotive electronics with high efficiency.
4. Consumer Electronics: Used in power adapters and chargers for efficient voltage conversion.
5. Battery-Powered Devices: Offers efficient power conversion to extend battery life in portable devices.
Its wide input voltage range and high efficiency make it suitable for applications requiring reliable voltage regulation under varying load conditions.