Abbildungen dienen nur als Referenz
TOP248YN
+StücklisteIC OFFLINE SW FLYBACK TO220-7C
-
HerstellerEnergieintegrationen
-
Herstellerteil #TOP248YN
-
Paket TO-220
-
Auf Lager7341
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Series | TOPSwitch®-GX |
| Part Status | Not For New Designs |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Duty Cycle | 66.8% |
| Frequency - Switching | 66kHz ~ 132kHz |
| Power (Watts) | 205 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Supplier Device Package | TO-220-7C |
Übersicht
Description
Key features of the TOP248YN include a built-in start-up current source, frequency jittering for reduced EMI, and a wide range of protection features such as over-temperature, over-current, and over-voltage protections. The high level of integration reduces component count, which leads to smaller, more cost-effective power supply designs. Additionally, the device supports both fixed and variable frequency operation to optimize efficiency across load ranges.
The TOP248YN is often chosen for its ability to meet stringent efficiency and thermal performance requirements while maintaining a simplified design process, making it a popular choice among power supply designers.
Equivalent
Features
1. Integrated Solution: It combines a high-voltage power MOSFET with a controller, reducing the need for external components.
2. Efficient Switching: Provides high efficiency through its multi-mode operation, which includes a cycle skipping mode for low-load conditions to reduce power consumption.
3. Current Limit: It has user-selectable current limit values, allowing for flexibility in design.
4. Thermal Shutdown: Features thermal shutdown protection to prevent overheating, enhancing reliability.
5. Frequency Jittering: Reduces electromagnetic interference (EMI) by spreading the energy across a range of frequencies.
6. Built-in Soft-Start: Gradually increases the duty cycle during start-up to prevent output voltage overshoot.
7. Wide Range of Operation: Supports a wide input voltage range, suitable for global power supply applications.
8. Auto-Restart: Provides auto-restart for short-circuit protection and reduces the risk of damage to the power supply.
9. Simple Design: Simplifies circuit design and reduces overall cost due to fewer external components.
These features make the TOP248YN suitable for applications requiring efficient, reliable power supplies with minimal component count.
Pinout
Here's a concise breakdown of the pin functions:
1. CONTROL (C): This pin serves as the input to the control circuitry, managing the duty cycle and providing startup and feedback functions.
2. SOURCE (S): These are typically multiple pins (3) that are internally connected and serve as the primary return path for the device, providing a connection to the source of the integrated MOSFET.
3. DRAIN (D): This pin connects directly to the power MOSFET's drain, handling the high-voltage switching.
4. BYPASS (BP): This pin is used to connect an external bypass capacitor, facilitating the internal supply voltage.
5. FREQUENCY (F): This pin allows setting the switching frequency and can be connected to an external resistor for frequency jittering to reduce EMI.
The TOP248YN supports efficient power conversion with integrated features like over-voltage protection, under-voltage lockout, and thermal shutdown.