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LM5163 PRODUCTION COMMERCIAL
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FabricantTexas Instruments
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Pièce fabricant #LM5163DDAR
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Package SOIC-8
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En stock3918
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 6V |
| Voltage - Input (Max) | 100V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 100V |
| Current - Output | 500mA |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the LM5163DDAR include its high efficiency, typically around 90%, and its ability to operate at a fixed frequency of 500 kHz. It also incorporates advanced features such as internal compensation, current limiting, and thermal shutdown protection to enhance reliability and performance. The device comes in a compact, thermally efficient SOIC (Small Outline Integrated Circuit) package with PowerPAD™ technology, allowing for better heat dissipation.
Overall, the LM5163DDAR is ideal for applications requiring a robust and versatile buck converter with high input voltage tolerance and efficient power conversion capabilities.
Equivalent
1. LMR33630 - Also from Texas Instruments, a 3.5A synchronous step-down regulator.
2. MP2315 - From Monolithic Power Systems, a 3A synchronous step-down converter.
3. LTC3605A - From Analog Devices, a high-efficiency synchronous step-down regulator.
4. TPS54331 - Another from Texas Instruments, offering a 3A, 28V step-down converter.
Always verify pin compatibility and electrical characteristics with datasheets before substituting.
Features
Key features include a high switching frequency of up to 1 MHz, which reduces the size of external components and improves transient response. It also incorporates internal compensation to simplify the design process and ensure stability without the need for external compensation components. The converter offers excellent efficiency across a wide load range and includes features like adjustable output voltage, precision enable, and an adjustable soft-start.
It is equipped with a range of protection features such as cycle-by-cycle current limiting, thermal shutdown, and under-voltage lockout (UVLO) to ensure reliable operation. The LM5163DDAR is housed in a thermally enhanced 8-pin SO PowerPAD package, aiding in heat dissipation for high-reliability applications.
Pinout
1. Vin: Input voltage supply pin.
2. EN: Enable pin. Used to enable or disable the converter.
3. RT/CLK: Resistor timing or external clock input for setting the switching frequency.
4. FB: Feedback pin. Connects to the output voltage through a resistor divider to set the output voltage.
5. PGND: Power ground.
6. SW: Switch node. Connects to the inductor and provides the switched voltage.
7. VCC: Internal LDO output pin, which can supply power to internal circuitry.
8. BOOT: Bootstrap capacitor connection for high-side driver supply.
These pins provide the necessary connections for the device to control and regulate the output voltage efficiently.
Manufacturer
Application
1. Industrial Power Supplies: Provides power conversion in industrial automation and control systems.
2. Automotive Systems: Used in automotive electronics for power management.
3. Telecommunications: Supports power regulation in network and communication equipment.
4. Consumer Electronics: Powers portable and battery-operated devices.
5. Embedded Systems: Supplies regulated voltage for microcontrollers and various embedded applications.
6. IoT Devices: Manages power in Internet of Things devices for energy efficiency.
Its features such as wide input voltage range and high-efficiency performance make it suitable for these diverse applications.