Datasheet > TNY253P

TNY253P

更新时间： 2024-02-19 06:23:40

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	498K
描述
TinySwitch Family Energy Efficient, Low Power Off-line Switchers

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技术参数
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TNY253P 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Not Recommended	零件包装代码：	DIP
包装说明：	DIP, DIP8,.3	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	14 weeks
风险等级：	8.35	Samacsys Confidence：	3
Samacsys Status：	Released	2D Presentation：	https://componentsearchengine.com/2D/0T/3256973.1.1.png
Schematic Symbol：	https://componentsearchengine.com/symbol.php?partID=3256973	PCB Footprint：	https://componentsearchengine.com/footprint.php?partID=3256973
3D View：	https://componentsearchengine.com/viewer/3D.php?partID=3256973	Samacsys PartID：	3256973
Samacsys Image：	https://componentsearchengine.com/Images/9/TNY253PN.jpg	Samacsys Thumbnail Image：	https://componentsearchengine.com/Thumbnails/1/TNY253PN.jpg
Samacsys Pin Count：	8	Samacsys Part Category：	Power Supply
Samacsys Package Category：	Dual-In-Line Packages	Samacsys Footprint Name：	PDIP-8
Samacsys Released Date：	2020-03-31 06:02:24	Is Samacsys：	N
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	JESD-30 代码：	R-PDIP-T8
JESD-609代码：	e3	长度：	9.59 mm
功能数量：	1	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-40 °C
最大输出电流：	0.4 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	DIP	封装等效代码：	DIP8,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	4.45 mm	子类别：	Power Management Circuits
最大供电电流 (Isup)：	0.2 mA	表面贴装：	NO
切换器配置：	SINGLE	最大切换频率：	48 kHz
温度等级：	AUTOMOTIVE	端子面层：	MATTE TIN
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.62 mm	Base Number Matches：	1

TNY253P 数据手册

TNY253/254/255

TinySwitch^®Family

Energy Efficient, Low Power Off-line Switchers

Product Highlights

Lowest Cost, Low Power Switcher Solution

• Lower cost than RCC, discrete PWM and other

integrated/hybrid solutions

• Cost effective replacement for bulky linear adapters

• Lowest component count

• Simple ON/OFF control – no loop compensation devices

• No bias winding – simpler, lower cost transformer

• Allows simple RC type EMI filter for up to 2 W from

universal input or 4 W from 115 VAC input

DC Output

–

TinySwitch

Wide-Range

HV DC Input

–

Extremely Energy Efficient

PI-2178-022699

• 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

Figure 1. Typical Standby Application.

TinySwitch SELECTION GUIDE

Recommended Range

• Ideal for cellular phone chargers, standby power supplies

for PC, TV and VCR, utility meters, and cordless phones.

for Lowest System Cost*

ORDER

PART

NUMBER

PACKAGE

230 VAC or

115 VAC

w/Doubler

85-265

VAC

High Performance at Low Cost

• High voltage powered – ideal for charger applications

• Very high loop bandwidth provides excellent transient

response and fast turn on with practically no overshoot

• Current limit operation rejects line frequency ripple

• Glitch free output when input is removed

• Built-in current limit and thermal protection

• 44 kHz operation (TNY253/4) with snubber clamp

reduces EMI and video noise in TVs & VCRs

DIP-8

SMD-8

DIP-8

TNY253P

TNY253G

TNY254P

TNY254G

TNY255P

TNY255G

0-4 W

0-2 W

2-5 W

1-4 W

SMD-8

DIP-8

4-10 W

3.5-6.5 W

• Operates with optocoupler or bias winding feedback

SMD-8

Table 1. *Please refer to the Key Application Considerations section

for details.

Description

The TinySwitch family uses a breakthrough design to provide

thelowestcost, highefficiency, off-lineswitchersolutioninthe

0 to 10 W range. These devices integrate a 700 V power

MOSFET, oscillator, high voltage switched current source,

currentlimitandthermalshutdowncircuitry. Theystart-upand

run on power derived from the DRAIN voltage, eliminating the

needforatransformerbiaswindingandtheassociatedcircuitry.

And yet, they consume only about 80 mW at no load, from

265VAC input. A simple ON/OFF control scheme also

eliminates the need for loop compensation.

voltage. Atthesametime, theyallowuseoflowcostEE16core

transformers to deliver up to 5 W. The TNY253 is identical to

TNY254 except for its lower current limit, which reduces

output short circuit current for applications under 2.5W.

TNY255 uses higher switching rate of 130kHz to deliver up to

10 W from the same low cost EE16 core for applications such

as PC standby supply. An EE13 or EF13 core with safety

spaced bobbin can be used for applications under 2.5W.

Absence of a bias winding eliminates the need for taping/

margins in most applications, when triple insulated wire is used

for the secondary. This simplifies the transformer construction

and reduces cost.

The TNY253 and TNY254 switch at 44 kHz to minimize EMI

and to allow a simple snubber clamp to limit DRAIN spike

July 2001

12 3 4 5 6 7...20

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