Allicdata Part #: | 596-1093-5-ND |
Manufacturer Part#: |
TNY277PN |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Power Integrations |
Short Description: | IC OFFLINE SWIT OVP OTP HV 8DIP |
More Detail: | Converter Offline Flyback Topology 132kHz DIP-8C |
DataSheet: | TNY277PN Datasheet/PDF |
Quantity: | 367 |
Duty Cycle: | 65% |
Mounting Type: | Through Hole |
Supplier Device Package: | DIP-8C |
Package / Case: | 8-DIP (0.300", 7.62mm), 7 Leads |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Control Features: | EN |
Fault Protection: | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit |
Power (Watts): | 23.5W |
Frequency - Switching: | 132kHz |
Series: | TinySwitch®-III |
Voltage - Supply (Vcc/Vdd): | -- |
Topology: | Flyback |
Voltage - Breakdown: | 700V |
Internal Switch(s): | Yes |
Output Isolation: | Isolated |
Part Status: | Active |
Packaging: | Tube |
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The TNY277PN offline switcher is a popular power management integrated circuit (PMIC), which can be used for many different AC/DC conversion applications. It combines high efficiency and low noise operation with a range of features that make it possible to design reliable power supplies. The PMIC includes two integrated power switches and is configured to drive a buck topology with voltage feedback and provides maximum protection against short circuits and overloads.
The device has an external reference, which allows it to adjust the output voltage to a required level and ensure stable fixed output voltages. The TNY277PN is a good choice for applications that require a wide output voltage range and high efficiency as it can provide up to 80% efficiency. The device also has built-in over-voltage protection, over-current protection, thermal shutdown and short circuit protection.
The working principle of the TNY277PN is the same as other offline switchers. When AC power is present at the input, the power switch is activated. During the switch-on sequence, an internal reference voltage is used to compare the voltage generated by the power switch to the reference voltage. At this stage, the output voltage is adjusted to the required fixed level. The internal comparator also continuously monitors the voltage to check whether it needs to be adjusted and provides feedback to the controller.
When the output voltage is stable, the power switch starts to switch on and off in order to provide the necessary amount of current to the output. The feedback loop ensures that the output voltage is always maintained at the required level, while the efficiency of the power converter increases as the switching frequency increases.
The TNY277PN also has built-in clock synchronisation and control circuitry, which makes it suitable for synchronised and multiple switch operation. This increases the efficiency and improves the overall performance of the system. Additionally, it has a low standby power mode, which enables the system to consume less power when it is not in use.
Overall, the TNY277PN is a highly efficient and reliable PMIC which makes it the perfect choice for AC/DC conversion applications. Its internal controller allows the output voltage to be adjusted to a fixed level, which increases the efficiency of the system and provides maximum protection against over-voltage and overloads. Furthermore, its synchronisation and multiple switch operation capabilities make it suitable for more complicated systems.
The specific data is subject to PDF, and the above content is for reference
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