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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersTOP257LN
TOP257LN Image
Image may be representation.
See specifications for product details.

TOP257LN - Power Integrations

Manufacturer Part Number
TOP257LN
Manufacturer
Power Integrations
Allelco Part Number
32D-TOP257LN
ECAD Model
Parts Description
IC OFFLINE SWITCH FLYBACK 7FESIP
Detailed Description
Package
7-SSIP, 6 Leads, Exposed Pad, Formed Leads
Data sheet
TOP252-62.pdf
RoHs Status
RoHS Compliant
In stock: 13550

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Quantity

Specifications

TOP257LN Tech Specifications
Power Integrations - TOP257LN technical specifications, attributes, parameters and parts with similar specifications to Power Integrations - TOP257LN

Product Attribute Attribute Value  
Manufacturer Power Integrations  
Voltage - Supply (Vcc/Vdd) -  
Voltage - Breakdown 700V  
Topology Flyback  
Supplier Device Package eSIP-7F  
Series TOPSwitch®-HX  
Power (Watts) 105 W  
Package / Case 7-SSIP, 6 Leads, Exposed Pad, Formed Leads  
Package Tube  
Product Attribute Attribute Value  
Output Isolation Isolated  
Operating Temperature -40°C ~ 150°C (TJ)  
Mounting Type Through Hole  
Internal Switch(s) Yes  
Frequency - Switching 66kHz, 132kHz  
Fault Protection Current Limiting, Over Temperature, Over Voltage  
Duty Cycle 78%  
Control Features -  
Base Product Number TOP257  

Parts with Similar Specifications

The three parts on the right have similar specifications to Power Integrations TOP257LN

Product Attribute TOP257LN TOP258GN-TL TOP256YN TOP256MG
Part Number TOP257LN TOP258GN-TL TOP256YN TOP256MG
Manufacturer Power Integrations Power Integrations Power Integrations Power Integrations
Package Tube Tape & Reel (TR) Tube Tube
Output Isolation Isolated Isolated Isolated Isolated
Series TOPSwitch®-HX TOPSwitch®-HX TOPSwitch®-HX TOPSwitch®-HX
Power (Watts) 105 W 48 W 119 W 34 W
Supplier Device Package eSIP-7F SMD-8C TO-220-7C SDIP-10C
Topology Flyback Flyback Flyback Flyback
Voltage - Breakdown 700V 700V 700V 700V
Fault Protection Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage Current Limiting, Over Temperature, Over Voltage
Control Features - - - -
Duty Cycle 78% 78% 78% 78%
Mounting Type Through Hole Surface Mount Through Hole Through Hole
Package / Case 7-SSIP, 6 Leads, Exposed Pad, Formed Leads 8-SMD (7 Leads), Gull Wing TO-220-7 Formed Leads, 6 Leads 10-SDIP (0.300', 7.62mm), 9 Leads
Internal Switch(s) Yes Yes Yes Yes
Base Product Number TOP257 TOP258 TOP256 TOP256
Frequency - Switching 66kHz, 132kHz 66kHz 66kHz, 132kHz 66kHz
Voltage - Supply (Vcc/Vdd) - - - -
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)

TOP257LN Datasheet PDF

Download TOP257LN pdf datasheets and Power Integrations documentation for TOP257LN - Power Integrations.

Datasheets
TOP252-62.pdf
PCN Assembly/Origin
HALT 26/Jan/2016.pdf
PCN Obsolescence/ EOL
TOP2yyy 27/Mar/2020.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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TOP257LN Image

TOP257LN

Power Integrations
32D-TOP257LN

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