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IC REG BUCK ADJ 150MA 8VSSOP
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FabricantTexas Instruments
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Pièce fabricant #LM5009MM
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Package VSSOP-8
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En stock4619
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 9.5V |
| Voltage - Input (Max) | 95V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | 85V |
| Current - Output | 150mA |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the LM5009MM include a fixed frequency operation, internal compensation, and a current mode control for fast transient response and loop stability. The device also includes a high-side N-channel MOSFET, which simplifies the design by reducing the need for external components. Its peak current limit and thermal shutdown provide robust protection against overcurrent and overheating conditions. The regulator is available in a small package, such as the 8-pin MSOP (Mini Small Outline Package), allowing for compact and efficient power supply designs. Its efficiency, reliability, and flexibility make it ideal for power management in diverse electronic systems.
Equivalent
1. Texas Instruments: LM2671, LM22670
2. ON Semiconductor: NCP3170
3. Linear Technology/Analog Devices: LT1372, LT1765
4. STMicroelectronics: L4971, L5973D
5. Microchip Technology: MCP16301
These equivalents have similar voltage and current specifications, but always check the datasheets for compatibility with your specific application requirements.
Features
1. Wide Input Voltage Range: Operates from 7.5V to 95V, making it suitable for a variety of applications.
2. Output Current: Capable of delivering up to 150 mA of continuous output current.
3. Efficiency: Designed for high efficiency with minimal external components, which reduces heat and power loss.
4. Switching Frequency: Operates at a fixed frequency of 100 kHz, optimizing efficiency and performance for different loads.
5. Integrated Power MOSFET: Includes a 0.7A N-channel MOSFET, simplifying the design and improving reliability.
6. Protection Features: Offers thermal shutdown, current limiting, and internal loop compensation to protect the device and load.
7. Small Footprint: Available in a small 8-pin MSOP package, making it suitable for space-constrained applications.
8. Minimal External Components: Requires few external components, easing the design process and reducing cost.
The LM5009MM is ideal for applications like industrial control, battery-powered systems, and telecom infrastructure, where a compact and efficient power supply is needed.
Pinout
1. SW (Pin 1): The switch node where the inductor is connected, and the output voltage is generated.
2. BST (Pin 2): Bootstrap capacitor connection for the high-side FET gate drive.
3. RCL (Pin 3): Resistor to set the current limit.
4. FB (Pin 4): Feedback input for adjusting the output voltage.
5. RT (Pin 5): Resistor to set the switching frequency.
6. VCC (Pin 6): Internal LDO output, powering internal circuitry.
7. GND (Pin 7): Ground reference for the device.
8. VIN (Pin 8): Input voltage supply pin.
The LM5009MM is designed for efficient DC-DC conversion in applications with input voltages from 7.5V to 95V, and it can provide a regulated output of up to 2.5W. It is typically used in automotive, industrial, and telecom applications.
Manufacturer
Application
1. Telecommunications Equipment: Used for voltage regulation in communication systems.
2. Industrial Automation: Powers sensors and control systems.
3. Automotive Electronics: Provides stable voltage in automotive systems.
4. Consumer Electronics: Used in devices requiring efficient power conversion.
5. Distributed Power Systems: Part of power management in distributed networks.
6. Battery-Powered Devices: Ensures efficient use of battery power in portable devices.
Its wide input voltage range and high efficiency make it suitable for these diverse applications.