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VIPER26LDTR
+BOMIC OFFLINE SWITCH FLYBACK 16SO
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ManufacturerSTMicroelectronics
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Mfr. Part #VIPER26LDTR
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Datasheet VIPER26LDTR DataSheet
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Package SOP-16
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In Stock1374
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | VIPer™ plus |
| ProductStatus | Active |
| OutputIsolation | Either |
| InternalSwitch(s) | Yes |
| Voltage-Breakdown | 800V |
| Topology | Flyback |
| Voltage-StartUp | 13 V |
| Voltage-Supply(Vcc/Vdd) | 11.5V ~ 23.5V |
| DutyCycle | 70% |
| Frequency-Switching | 60kHz |
| Power(Watts) | 20 W |
| FaultProtection | Current Limiting, Over Temperature |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
| SupplierDevicePackage | 16-SO |
Overview
Description
Key features include a wide input voltage range, high efficiency, and robust protection functions such as overvoltage, overload, and thermal shutdown, enhancing device reliability. The VIPER26LDTR is particularly suited for applications like home appliances, lighting, industrial systems, and consumer electronics. Its compact design aids in reducing the overall size of power supply circuits, making it an attractive choice for modern electronic devices requiring compact and efficient power solutions.
Overall, the VIPER26LDTR simplifies the design of power supplies by integrating essential functions and delivering reliable performance across a range of operating conditions.
Equivalent
1. LNK306 from Power Integrations: This is similar for off-line power conversion.
2. NCP1076 from ON Semiconductor: Used in offline switchers.
3. TNY277PN from Power Integrations: Another alternative for similar applications.
These equivalents offer similar functionalities but may have different specifications or features. Always verify compatibility with your specific requirements.
Features
1. Integrated Power MOSFET: It includes a 1050 V avalanche-rugged MOSFET, which enhances reliability and performance in power supply designs.
2. Wide Input Voltage Range: Supports a wide range of input voltages, making it suitable for global use in different power grids.
3. Advanced Protections: Features built-in protection mechanisms like thermal shutdown, overvoltage protection, and current sensing, ensuring robust operation and durability.
4. High Efficiency: Optimized for low standby power consumption and high efficiency, making it suitable for eco-friendly designs.
5. PWM Controller: Includes a pulse-width modulation (PWM) controller for efficient power management and reduced electromagnetic interference (EMI).
6. Low Standby Consumption: Its design supports very low standby power consumption, which is critical for energy-saving applications.
These features make the VIPER26LDTR an ideal choice for a variety of applications, including power adapters, consumer electronics, and auxiliary power supplies.
Pinout
Here’s a concise overview of its pin functions:
1. Pin 1 (GND): Ground reference for the device.
2. Pin 2 (VDD): Supply voltage pin. This pin powers the internal circuitry.
3. Pin 3 (FB): Feedback voltage pin. It is used to regulate the output voltage by comparing it with a reference voltage.
4. Pin 4 (N.C.): No connection. This pin is not internally connected, providing flexibility in PCB layout.
5. Pin 5 (SOURCE): This pin is connected to the source of the internal MOSFET and is used for switching control.
6. Pin 6 (DRAIN): The drain pin connects to the high-voltage rail, allowing the internal MOSFET to switch the input voltage.
7. Pin 7 (VDD): This is another supply voltage pin similar to Pin 2.
The VIPER26LDTR is utilized primarily for off-line power supply applications, providing efficient power conversion and regulation.
Manufacturer
Application
1. AC-DC Converters: Used in adapters and chargers for consumer electronics.
2. Home Appliances: Suitable for powering control circuits in appliances like refrigerators and washing machines.
3. Industrial Controls: Powers control systems and automation equipment.
4. Lighting: Used in LED drivers for energy-efficient lighting solutions.
5. Smart Meters: Supplies power to metering and monitoring devices.
6. Power Supply Units (PSUs): Integrated into auxiliary power supplies for various electronics.
Its integrated design enhances efficiency and reduces the overall component count, making it ideal for compact and cost-sensitive applications.