| shape: | DIP |
|---|---|
| Technics: | Semiconductor IC |
| Application: | Standard Generalized Integrated Circuit |
| Type: | AC/DC Converter |
| Power Supply Voltage (DC): | 265 V |
| Output Current: | 880 Ma |
| Samples: |
|---|
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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 undervoltage 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
signifi cantly reduce both the quasi-peak and average EMI,minimizing fi ltering cost.
1.Pin Diagram:
2. Absolute Maximum Ratings:
3. Switch Electrical Characteristics:
TinySwitch-II Features Reduce System Cost
• 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 undervoltage detect feature prevents power on/off glitches - saves external components
• Frequency jittering dramatically reduces EMI (~10 dB)- minimizes EMI fi lter 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
Better Cost/Performance over RCC & Linears
• Lower system cost than RCC, discrete PWM and other integrated/hybrid solutions
• Cost effective replacement for bulky regulated linears
• Simple ON/OFF control - no loop compensation needed
• No bias winding - simpler, lower cost transformer
• Simple design practically eliminates rework in manufacturing
EcoSmart®- Extremely Energy Effi cient
• No load consumption <50 mW with bias winding and
• <250 mW without bias winding at 265 VAC input
• Ideal for cell-phone charger and PC standby applications
High Performance at Low Cost
• High voltage powered - ideal for charger applications
• High bandwidth provides fast turn on with no overshoot
• Current limit operation rejects line frequency ripple
• Built-in current limit and thermal protection improves safety
why choose us :
advantage:
1.Produce Range
Yangjiang RUIXIAO Enterprise Co,.Ltd,major in the electronic component , who have wide range of products,
such as IC,resistor , capacitor , mosfet , diodes, module , LED, relay, lcd. pcb board . and so. the brand involves:SHARP, POWER, , NS, ON, ST , IR, VISHAY , TOSHIBA, FAIRCHILD,MICROCHIP, ATMEL,EVERYLIGHT all the kinds of electronic component you need will be find in here.
2.Scope of application
the product is widely used in Automotive industry control,new energy industry,Audio,Home appliances equipment,Communication industry.it can meet the diverse needs of customers
3.service:
with the "User first, customer first" Company motto, quality assurance , economic price , fast Delivery time is our only faith. we will try our best to make every customer to enjoy the the most flexible,efficient services.We sincere hope that we can seek the common development and cooperation with the customer together to achieve a win-win situation.
4.Logistics:
we can send the goods to the customer's country directly by the international logistics. no matter send by air or by sea.
we will try our best to let the customer to get the parcel more convenient .
(noted:Not bear any fee and tax of the transportation cost.)
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