Overview
The KA1M0565RYDTU is a part of the Fairchild Power Switch (FPS) product family, now integrated into ON Semiconductor. This component is specifically designed for off-line Switch Mode Power Supplies (SMPS) with minimal external components. It combines a high voltage power SenseFET and a current mode PWM controller IC, making it an efficient solution for various power supply applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Outputs | 1 | - |
| Output Current | 5 A | A |
| On Resistance - Max | 1.76 Ohms | Ohms |
| Minimum Operating Temperature | -25°C | °C |
| Maximum Drain Voltage | 650 V | V |
| Maximum Supply Voltage | 30 V | V |
| Operating Ambient Temperature | -25 to +85 °C | °C |
| Storage Temperature | -55 to +150 °C | °C |
| Total Power Dissipation | 140 W | W |
| Derating | 1.11 W/°C | W/°C |
| Operating Frequency | 67 kHz | kHz |
| Maximum Duty Cycle | 77% | % |
Key Features
- Precision Fixed Operating Frequency: The KA1M0565RYDTU operates at a fixed frequency of 67 kHz.
- Pulse by Pulse Over Current Limiting: Provides protection against overcurrent conditions.
- Over Load Protection: Ensures the device is protected against overload scenarios.
- Over Voltage Protection: Minimum protection voltage of 23V.
- Internal Thermal Shutdown Function: Protects the device from overheating.
- Under Voltage Lockout: Prevents the device from operating below a certain voltage threshold.
- Internal High Voltage Sense FET: Integrated high voltage SenseFET for efficient power handling.
- Auto Restart: Automatically restarts the device after a fault condition is cleared.
- Integrated Fixed Oscillator and Gate Driver: Optimized gate turn-on/turn-off driver and thermal shutdown protection.
Applications
The KA1M0565RYDTU is well-suited for various power supply applications, including:
- Off-line Switch Mode Power Supplies (SMPS): Ideal for flyback and forward converters.
- Cost-Effective Designs: Reduces total component count, design size, and weight while increasing efficiency and system reliability.
- High Voltage Power Supplies: Suitable for applications requiring high voltage handling and minimal external components.
Q & A
- What is the operating frequency of the KA1M0565RYDTU?
The operating frequency is 67 kHz.
- What is the maximum output current of the KA1M0565RYDTU?
The maximum output current is 5 A.
- What is the maximum drain voltage the KA1M0565RYDTU can handle?
The maximum drain voltage is 650 V.
- Does the KA1M0565RYDTU have overcurrent protection?
- What is the thermal shutdown temperature of the KA1M0565RYDTU?
The thermal shutdown temperature is between 140°C to 160°C.
- Is the KA1M0565RYDTU suitable for high voltage applications?
- What is the package type of the KA1M0565RYDTU?
The package type is TO-220F-4L.
- Does the KA1M0565RYDTU have under voltage lockout protection?
- Can the KA1M0565RYDTU be used in life support devices?
No, it is not authorized for use in life support devices or systems without express written approval from ON Semiconductor.
- What is the maximum duty cycle of the KA1M0565RYDTU?
The maximum duty cycle is 77%.
