KA1M0565RTU

Product Overview

• Category: Integrated Circuit
• Use: Power Switching Regulator
• Characteristics: High efficiency, low standby power consumption
• Package: TO-220F-4L
• Essence: Power MOSFET and PWM controller in a single chip
• Packaging/Quantity: 50 pieces per tube

Specifications

• Input Voltage: 85V - 265V AC
• Output Voltage: 5V DC
• Output Current: 2A
• Switching Frequency: 65kHz
• Operating Temperature: -25°C to +85°C

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for voltage regulation
4. Drain: Power MOSFET drain pin
5. Source: Power MOSFET source pin
6. COMP: Compensation pin for stability control
7. CS: Current sense pin for overcurrent protection
8. VDD: Internal voltage regulator output

Functional Features

• Integrated power MOSFET and PWM controller for simplified design
• Built-in protection features like overcurrent and overvoltage protection
• Soft-start function for smooth power-up
• Low standby power consumption for energy efficiency
• Wide input voltage range for versatile applications

Advantages

• Compact and cost-effective solution for power switching regulation
• High efficiency leads to reduced power loss and heat generation
• Reliable performance with built-in protection features
• Easy to implement due to integrated design

Disadvantages

• Limited output current capacity (2A)
• Restricted operating temperature range (-25°C to +85°C)

Working Principles

The KA1M0565RTU is a power switching regulator that combines a power MOSFET and a PWM controller in a single chip. It operates by converting the input voltage (85V - 265V AC) to a regulated 5V DC output. The integrated PWM controller generates a high-frequency signal (65kHz) that controls the power MOSFET's switching operation. This allows efficient power conversion with minimal power loss.

The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the PWM signal to maintain a stable output. The compensation pin (COMP) ensures stability by adjusting the control loop response. The current sense pin (CS) provides overcurrent protection by monitoring the load current.

Detailed Application Field Plans

The KA1M0565RTU is commonly used in various applications, including:

1. Power supplies for consumer electronics
2. LED lighting systems
3. Industrial automation equipment
4. Telecommunication devices
5. Automotive electronics

Its compact size, high efficiency, and built-in protection features make it suitable for these diverse application fields.

Detailed and Complete Alternative Models

1. KA1M0565R: Similar specifications and features, different package (TO-220-4L)
2. KA1M0565RU: Similar specifications and features, different package (TO-263-5L)
3. KA1M0565RN: Similar specifications and features, different package (DIP-8)

These alternative models offer similar functionality and can be used as replacements for the KA1M0565RTU in different package options.

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