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M51995AFP
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Especificações
| Atributo | Valor |
| Manufacturer | JLCPCB Assembly |
| Package | SOP-20 |
Visão Geral
Description
The M51995AFP is a switching regulator controller IC designed for DC-DC converters, commonly used in power supply applications. It features PWM control, overcurrent protection, and soft-start functionality, making it suitable for high-efficiency voltage regulation.
Key characteristics:
- Input voltage range: Up to 40V
- Output control: Adjustable via external components
- Protections: Overcurrent, undervoltage lockout (UVLO)
- Package: Typically SOP-8
It’s widely used in industrial, automotive, and consumer electronics for step-down (buck) or step-up (boost) conversions. Its compact design and robust performance make it ideal for space-constrained applications.
For detailed specs, refer to the datasheet.
Key characteristics:
- Input voltage range: Up to 40V
- Output control: Adjustable via external components
- Protections: Overcurrent, undervoltage lockout (UVLO)
- Package: Typically SOP-8
It’s widely used in industrial, automotive, and consumer electronics for step-down (buck) or step-up (boost) conversions. Its compact design and robust performance make it ideal for space-constrained applications.
For detailed specs, refer to the datasheet.
Equivalent
The M51995AFP is a PWM controller IC for power supplies. Equivalent or similar products include:
- TL494 (Texas Instruments)
- UC3842/UC3843 (Texas Instruments)
- KA7500 (Fairchild/ON Semi)
- SG3525 (Microchip/ON Semi)
- LM5030 (Texas Instruments)
These alternatives offer comparable PWM control functions, though pinouts and specs may vary slightly. Check datasheets for exact compatibility.
- TL494 (Texas Instruments)
- UC3842/UC3843 (Texas Instruments)
- KA7500 (Fairchild/ON Semi)
- SG3525 (Microchip/ON Semi)
- LM5030 (Texas Instruments)
These alternatives offer comparable PWM control functions, though pinouts and specs may vary slightly. Check datasheets for exact compatibility.
Features
The M51995AFP is a 5V, 3A step-down (buck) DC-DC converter module from Monolithic Power Systems (MPS). Key features include:
- Input Voltage Range: 4.5V to 36V
- Output Voltage: Adjustable (0.8V to 24V)
- Output Current: Up to 3A
- High Efficiency: Up to 95%
- Switching Frequency: 500kHz (fixed)
- Protections: Over-current (OCP), over-temperature (OTP), and under-voltage lockout (UVLO)
- Compact Package: SOP-8EP
It integrates a high-side MOSFET and is designed for low EMI, making it suitable for industrial, automotive, and consumer applications. The module requires minimal external components, simplifying design.
For precise details, refer to the M51995AFP datasheet.
- Input Voltage Range: 4.5V to 36V
- Output Voltage: Adjustable (0.8V to 24V)
- Output Current: Up to 3A
- High Efficiency: Up to 95%
- Switching Frequency: 500kHz (fixed)
- Protections: Over-current (OCP), over-temperature (OTP), and under-voltage lockout (UVLO)
- Compact Package: SOP-8EP
It integrates a high-side MOSFET and is designed for low EMI, making it suitable for industrial, automotive, and consumer applications. The module requires minimal external components, simplifying design.
For precise details, refer to the M51995AFP datasheet.
Pinout
The M51995AFP is a 16-pin IC primarily used as a switching power supply controller. Key functions include:
- PWM Control: Regulates output voltage via pulse-width modulation.
- Soft Start: Reduces inrush current during startup.
- Overcurrent Protection (OCP): Safeguards against excessive current.
- Undervoltage Lockout (UVLO): Ensures proper operation voltage.
- Error Amplifier: Compares feedback voltage to a reference for stability.
Pins include VCC (power supply), GND (ground), FB (feedback), CS (current sense), OUT (PWM output), and RT/CT (timing components).
It’s commonly used in AC/DC converters and offline power supplies.
- PWM Control: Regulates output voltage via pulse-width modulation.
- Soft Start: Reduces inrush current during startup.
- Overcurrent Protection (OCP): Safeguards against excessive current.
- Undervoltage Lockout (UVLO): Ensures proper operation voltage.
- Error Amplifier: Compares feedback voltage to a reference for stability.
Pins include VCC (power supply), GND (ground), FB (feedback), CS (current sense), OUT (PWM output), and RT/CT (timing components).
It’s commonly used in AC/DC converters and offline power supplies.
Manufacturer
The M51995AFP is manufactured by Mitsubishi Electric, a leading Japanese multinational specializing in electronics and electrical equipment. Known for innovation in semiconductors, industrial systems, and consumer electronics, Mitsubishi Electric is a key player in power management and control ICs, including the M51995AFP, which is a switching power supply controller. The company is recognized for its high-quality, reliable components used in various industries.
Package
The M51995AFP is available in a 16-pin SOP (Small Outline Package). This surface-mount package is compact and widely used for power management ICs. The SOP-16 type ensures easy PCB integration while maintaining reliable performance.
