TOP242PN Converter Offline Flyback Topology 5.85v 1.5mA IC PDIP-B
The TOP242PN is a highly integrated offline switching power supply IC from the TOPSwitch family, designed specifically for flyback converter topologies. It combines a high-voltage power MOSFET, PWM controller, oscillator, and advanced protection circuitry into a single compact DIP-8B package. This integration significantly reduces component count and simplifies the design of AC-DC power supplies, making it an ideal solution for cost-sensitive and space-constrained applications.
The device operates over a wide switching frequency range and provides excellent efficiency and reliability in power conversion systems. It includes essential protection features such as auto-restart, thermal shutdown, and current limiting, ensuring safe operation under abnormal conditions. The TOP242PN is widely used in consumer electronics, adapters, and industrial power supplies where stable and efficient power delivery is required.
Features:
- Integrated high-voltage power MOSFET.
- Built-in PWM controller and oscillator.
- Designed for flyback topology.
- Auto-restart protection.
- Thermal shutdown protection.
- Cycle-by-cycle current limiting.
- Reduced external component count.
- High efficiency and reliability.
- Wide operating frequency capability.
- Compact DIP package.
Specifications:
| Parameter | Value |
|---|---|
| IC Type | Offline PWM Switch |
| Series | TOP Switch |
| Package | DIP-8B (8-PDIP-B) |
| Number of Pins | 8 |
| Switching Frequency | 66 kHz – 132 kHz |
| Input Voltage Range | 85V – 265V AC |
| Breakdown Voltage | ~700V |
| Topology | Flyback |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to 150°C |
Pinout:
| Pin | Name |
|---|---|
| 1 | M |
| 2 | S |
| 3 | S |
| 4 | C |
| 5 | D |
| 6 | Not specified |
| 7 | S |
| 8 | S |
Applications:
- AC-DC flyback power supplies.
- Power adapters.
- Battery chargers.
- TV and monitor power circuits.
- Consumer electronics power systems.
- Industrial SMPS applications.
Packages Included:
- 1x TOP242PN Converter Offline Flyback Topology 5.85v 1.5mA IC PDIP-B.