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Description
Enhanced, Energy Efficient, Low Power Off-line Switcher
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Description
TinySwitch-II integrates a 700 V power MOSFET, oscillator,high voltage switched current source, current limit and thermal shutdown circuitry onto a monolithic device. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias winding and associated circuitry. In addition, the TinySwitch-II devices incorporate auto-restart, line undervoltage sense, and frequency jittering. An innovative design minimizes audio frequency components in the simple ON/OFF control scheme to practically eliminate audible noise with standard taped/varnished transformer construction. The fully integrated auto-restart circuit safely limits output power during fault conditions such as output short circuit or open loop, reducing component count and secondary feedback circuitry cost. An optional line sense resistor externally programs a line under-voltage threshold, which eliminates power down glitches caused by the slow discharge of input storage capacitors present in applications such as standby supplies. The operating frequency of 132 kHz is jittered to significantly reduce both the quasi-peak and average EMI, minimizing filtering cost.
Features
● Fully integrated auto-restart for short circuit and open loop fault protection – saves external component costs
● Built-in circuitry practically eliminates audible noise with ordinary dip-varnished transformer
● Programmable line under-voltage detect feature prevents power on/off glitches – saves external components
● Frequency jittering dramatically reduces EMI (~10 dB) – minimizes EMI filter component costs
● 132 kHz operation reduces transformer size – allows use of EF12.6 or EE13 cores for low cost and small size
● Very tight tolerances and negligible temperature variation on key parameters eases design and lowers cost
● Lowest component count switcher solution
● Expanded scalable device family for low system cost
Preview of the first 3 pages of the data sheet
QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
---|---|---|---|
≥1: | US $1.14576 | US $1.03118 | US $1.03118 |
≥5: | US $0.85932 | US $0.77339 | US $3.86695 |
≥10: | US $0.51559 | US $0.46403 | US $4.64030 |
≥20: | US $0.50127 | US $0.45114 | US $9.02280 |
≥50: | US $0.48695 | US $0.43825 | US $21.91250 |
≥100: | US $0.47263 | US $0.42536 | US $42.53600 |
≥200: | US $0.45830 | US $0.41247 | US $82.49400 |
≥500: | US $0.45258 | US $0.40732 | US $203.66000 |
≥1000: | US $0.44398 | US $0.39958 | US $399.58000 |
Substitute (equivalent) Product
Substitute Product Name | Description |
---|---|
LNK364PN | Low power off-line switch with enhanced EMI performance; suitable for low-cost flyback designs up to 3.5W. |
NCP1014APG | Monolithic high voltage switching regulator with on-chip MOSFET; ideal for compact and efficient power supplies. |
VIPer22A | High performance off-line SMPS primary switcher with built-in power MOSFET; optimized for small and medium power designs. |
TOP223YN | Integrated off-line switcher IC; integrates a PWM controller and a high-voltage MOSFET for efficient power regulation. |
ICE2A0565 | Integrated power controller with CoolSET? technology; for efficient and compact AC-DC power conversion applications. |
SR086 | Standalone non-isolated offline switcher; suitable for driving LED strings and other low power applications. |
UC3844AN | High-performance current-mode PWM controller; ideal for flyback and forward converters requiring low power consumption. |
LNK304PN | Energy-efficient switcher IC with integrated 700V MOSFET; suitable for lower power applications up to 4.1W. |
TOP233YN | Off-line switcher with integrated PWM controller optimized for medium power cost-effective applications. |
UCC2808D-2 | Dual-ended PWM controller providing efficient energy conversion and regulation for off-line converter designs. |
Product Usage
The TNY264PN is a highly integrated switching regulator with built-in high voltage power MOSFET, designed for use in compact, efficient power supply designs. It is commonly used in various applications, including:
AC-DC Converters: Widely used in small power supplies, the TNY264PN can convert AC mains voltage to a regulated DC output. These circuits are commonly found in consumer electronics, home appliances, and industrial equipment.
Battery Chargers: Due to its high efficiency and integrated components, the TNY264PN is often used in battery chargers for devices like mobile phones, tablets, and other portable electronics.
Standby Power Supplies: The TNY264PN can be used to create small, efficient power supplies that provide standby power for larger systems, such as televisions and other electronics that need to maintain a low-power standby mode.
LED Drivers: The IC is also used in power supply circuits for LED lighting. It can help to provide a stable, regulated output to ensure consistent performance of LED fixtures.
Auxiliary Power Supplies: In larger systems, the TNY264PN can be used to generate auxiliary power for various subsystems, ensuring reliable operation across different components.
Here is a basic example of a circuit using the TNY264PN for an AC-DC converter:
Components:
Basic Circuit Description:
This compact design helps in creating efficient, low-component-count power supplies. The excellent features and protection mechanisms like over-current, over-temperature, and over-voltage protection make the TNY264PN suitable for various applications where robustness and reliability are critical.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
TNY264PN
TNY264PN has several brands around the world that may have alternate names for TNY264PN due to regional differences or acquisition. TNY264PN may also be known as the following names:
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