Datasheet > TNY256GN-TL

TNY256GN-TL

更新时间： 2024-11-24 22:57:07

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		/
页数	文件大小	规格书
20页	511K
描述
IC OFFLINE SWIT OTP UVLO HV 8SMD

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TNY256GN-TL 数据手册

TNY256

TinySwitch^®Plus

Energy Efficient, Low Power Off-line Switcher

Product Highlights

TinySwitch Plus Features

• Extended power range

• Fully integrated auto-restart reduces short circuit current

Optional

UV Resistor

DC Output

–

• Line under-voltage sense eliminates turn-off glitches

• Frequency jittering dramatically reduces EMI (5 to 10 dB)

• TO-220 package option

Wide-Range

HV DC Input

EN/UV

TinySwitch Plus

Lowest Cost, Low Power Switcher Solution

• Lower cost than RCC, discrete PWM and other

integrated/hybrid solutions

–

PI-2363-022699

• Cost effective replacement for bulky linear adapters

• Lowest component count

Figure 1. Typical Standby Application.

• Simple ON/OFF control – no loop compensation components

• No bias winding – simpler, lower cost transformer

• Designed to work with low cost external components

OUTPUT POWER CAPABILITY*

ORDER

PART

230 VAC or

115 VAC

w/Doubler

85-265

VAC

PACKAGE

NUMBER

Extremely Energy Efficient

TNY256P

TNY256G

TNY256Y

DIP-8

• Consumes only 30/60 mW at 115/230 VAC with no load

• Meets Blue Angel, Energy Star, Energy 2000 and

200mW European cell phone requirements for standby

• Saves $1 to $4 per year in energy costs (at $0.12/kWHr)

compared to bulky linear adapters

8-15 W

8-19 W

5-10 W

5-11 W

SMD-8

TO-220-7B

Table 1. * The low end of the power ranges shown represent enclosed

adapters with minimal heat sinking whereas, the high end of the power

ranges represent open frame power supplies with adequate heat

sinking, both measured at an ambient of 50 ^oC. Please refer to the Key

Application Considerations section for more details.

• Ideal for cellular phone chargers and adapters

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

TheTinySwitch Plusincorporatesauto-restart, lineunder-voltage

sense, and frequency jittering features. The auto-restart circuit

safely limits output power during fault conditions such as output

short or open loop. The auto-restart circuit is fully integrated and

does not require external timing components. The line under-

voltagesensethresholdcanbeexternallyprogrammedusingaline

senseresistor. Duringstart-up, thisfeaturekeepstheTNY256off

until the input line voltage reaches the under-voltage threshold.

When the input line voltage is removed, the line under-voltage

circuit prevents auto-restart attempts after the output goes out of

regulation. This eliminates power down glitches caused by the

slow discharge of input storage capacitors present in applications

such as standby supplies. A single resistor is used to implement

thisfeature,eliminatingwhatnormallytakesfivetosixcomponents.

Thelinesenseresistorisoptional.TheTNY256operatingfrequency

of130kHzisjittered(frequencymodulated)toreducebothquasi-

peak and average EMI, minimizing filtering costs.

Description

The TNY256 extends the power range of the TinySwitch family

of energy efficient, low power off-line switchers. TinySwitch

devices use a breakthrough design to provide the lowest cost,

high efficiency, off-line switching solution for low power

applications. Theyintegratea700VpowerMOSFET,oscillator,

high voltage switched current source, current limit and thermal

shutdown circuitry into a single, monolithic device. The

devices start-up and operate on power derived from the DRAIN

voltage,eliminatingtheneedforatransformerbiaswindingand

associated circuitry. TinySwitch's low operating current allows

power supply no-load consumption to be kept under 100 mW,

even at 265 VAC input.

July 2001

12 3 4 5 6 7...20

中文翻译

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与TNY256GN-TL相关器件

型号	品牌	获取价格	描述	数据表
TNY256G-TL	POWERINT	获取价格	IC OFFLINE SWIT OTP UVLO HV 8SMD
TNY256P	POWERINT	获取价格	TinySwitch Plus Energy Efficient, Low Power Off-line Switcher
TNY256PN	POWERINT	获取价格	Energy Efficient, Low Power Off-line Switcher
TNY256Y	POWERINT	获取价格	TinySwitch Plus Energy Efficient, Low Power Off-line Switcher
TNY256YN	POWERINT	获取价格	IC OFFLINE SWIT UVLO HV TO220
TNY263	POWERINT	获取价格	Enhanced, Energy Efficient, Low Power Off-line Switcher
TNY263_04	POWERINT	获取价格	Enhanced, Energy Efficient, Low Power Off-line Switcher
TNY263G	POWERINT	获取价格	Enhanced, Energy Efficient, Low Power Off-line Switcher
TNY263GN	POWERINT	获取价格	Enhanced, Energy Efficient, Low Power Off-line Switcher
TNY263GN-TL	POWERINT	获取价格	Enhanced, Energy Efficient, Low Power Off-line Switcher

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