TOP250YN Off-Line Switching Power Converter IC TO-220-7C
TOP250YN Off-Line Switching Power Converter IC TO-220-7C is an integrated offline switcher for high-efficiency AC-DC power supplies.
40.00 EGP
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TOP250YN Off-Line Switching Power Converter IC TO-220-7C is a high-performance integrated offline switching power converter from the TOPSwitch-GX family. It combines a high-voltage power MOSFET, PWM controller, protection circuitry, and startup functions into a single device, significantly reducing external component count and simplifying SMPS design. The device features programmable current limiting, line sensing, selectable switching frequency, soft-start, thermal shutdown, and frequency jittering for reduced EMI. It is ideal for designing reliable and energy-efficient AC-DC power supplies for industrial, consumer, and embedded electronic applications.
Features
- Integrated 700V high-voltage power MOSFET and PWM controller.
- Built-in Eco Smart technology for low standby power consumption.
- Programmable current limit for flexible power supply design.
- Selectable switching frequency for optimized performance.
- Frequency jittering minimizes EMI emissions.
- Integrated soft-start reduces startup stress.
- Line under-voltage and over-voltage protection.
- Automatic thermal shutdown with hysteresis.
- Requires very few external components.
- TO-220-7C package suitable for high-power through-hole applications.
Specifications
| Parameter | Details |
| Product Type | Off-Line Switching Power Converter IC |
| Product Family | TOP Switch-GX |
| Part Number | TOP250YN |
| Package Type | Plastic TO-220-7C |
| Lead Finish | Pure Matte Tin(Pb-Free) |
| Mounting Type | Through Hole |
| Breakdown Voltage | 700V(Min) |
| DRAIN Voltage | -0.3Vto700V |
| DRAIN Peak Current | 10.08A |
| CONTROL Pin Voltage | 5.85V |
| Supply Current | 2.4mA |
| Switching Frequency | 132kHz(Typical) |
| Low-Frequency Option | 66kHz |
| Maximum Duty Cycle | 78% |
| Current Limit | 2.40A(Internal,25°C) |
| ON-State Resistance (25°C) | 2.90Ω |
| ON-State Resistance (100°C) | 4.80Ω |
| Auto-Restart Upper Threshold | 5.8V |
| Auto-Restart Lower Threshold | 4.8V |
| Soft-Start Time | 10ms |
| PWM Gain | -23%/mA |
| Thermal Shutdown Temperature | 140°C |
| Thermal Shutdown Hysteresis | 75°C |
| Thermal Impedance (Y Package) | 80°C/W |
| Output Power (230VAC Adapter) | 45W |
| Output Power (230VAC Open Frame) | 135W |
| Output Power (85VAC–265VAC Adapter) | 32W |
| Output Power (85VAC–265VAC Open Frame) | 90W |
| Operating Junction Temperature | -40°Cto+150°C |
| Storage Temperature | -65°Cto+150°C |
Dimensions
Pinout
| Pin Number | Pin Name | Function / Description |
|---|---|---|
| 1 | C (Control) | Feedback and control input. Connects to the control bypass capacitor and regulates the output. |
| 2 | L (Line Sense) | Line-sense input for line voltage monitoring and protection functions. |
| 3 | X (External Current Limit) | External current-limit programming pin used to adjust the MOSFET current limit. |
| 4 | S (Source) | Source terminal of the internal power MOSFET and primary-side ground reference. |
| 5 | F (Frequency) | Frequency control pin used to select or synchronize the switching frequency. |
| 6 | NC | No internal connection. |
| 7 | D (Drain) | Drain terminal of the internal high-voltage power MOSFET. Connected to the primary side of the transformer. |
Applications
- AC-DC switch-mode power supplies.
- Industrial power supplies.
- Power adapters.
- Battery chargers.
- Consumer electronic equipment.
- Home appliance power modules.
- LED driver power supplies.
- Networking and telecommunications equipment.
- Embedded auxiliary power supplies.
- Industrial automation systems.
Package Contents
- 1 x TOP250YN Off-Line Switching Power Converter IC TO-220-7C
Datasheet
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