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TOP247YN IC SW OFF-LINE PS 125/165W TO220

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Description

IC SW OFF-LINE PS 125/165W TO220

ECAD Module
Mounting Type: Through Hole
Brand: Power
DateCode: 14+
Package / Case: TO-220AB-5
Package Type: DIPB
Pin Count: 7
Current Limit: 3.852A
Dimensions: 9.83 x 6.6 x 3.68mm
Length: 9.83mm
Width: 4.7mm
Height: 3.68mm
Maximum Input Voltage: 265 V ac
Maximum Operating Temperature: +150 °C
Minimum Input Voltage: 85 V ac
Minimum Operating Temperature: -40 °C
Input Voltage Range: 85 → 265 V ac
Operating Temperature Range: -40 → +150 °C

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ECAD Module

Product Attributes

Description

Rectifier circuits are used to convert Analog Current (AC) into Direct Current (DC). However, in power electronics applications term AC/ DC converter is used where controlled rectification is possible with filtering and regulation. AC DC converters can be designed using linear devices or by using switching devices, switching converters are more reliable, small and cheap but are more complex as compared to the converters designed using linear devices.

IC TOP247 YN integrates high power MOSFET, pulse width modulation circuit, fault protection and control circuit on single CMOS chip. In order to improve the chip performance and energy efficiency to have lower cost may new features are introduced in the TOP247 YN

Features

●  Extended power range for higher power applications
●  No heatsink required up to 34 W using P package
●  Features eliminate or reduce cost of external components
●  Fully integrated soft-start for minimum stress/overshoot
●  Externally programmable accurate current limit
●  Wider duty cycle for more power, smaller input capacitor

Pictorial View

It is six pin IC that is available in plastic TO-220-7C package with lead finish of pure matt tin.

Pin Description

Pin configuration of the IC TOP247YN is given below, note here is no pin six it is tab of IC which might be thought as pin six which is internally connected to source pin

SupplierFile/202006/09/f_d903eccb72bb4ce28d26e1bc83f563f1.png

Pin Number	Pin Name	Description
1	C	Control
2	L	Line-Sense (Y,R or F package only)
3	X	External current limit (Y,R or F package only)
4	S	Source
5	F	Frequency (Y,R or F package only)
7	D	Drain
Tab	-	Heat sink

IC Electrical Characteristics/ Specifications

IC TOP247YN can be mounted on the printed circuit boards in through hole configuration. Features like liner under voltage detection and linear overvoltage shutdown makes this a reliable option. Some electrical characteristics of the IC are given below

Parameter	Description	Value
V_BR	Breakdown voltage	700 V
f	Frequency	132 KHz
T_MAX	Max operating temperature	150 C
I_MAX	Max output current	5.76 A
P_MAX	Max power dissipation	165W
V_MAX-SUPPLY	Max supply voltage (AC)	265 V
T_MIN	Min operating temperature	-40 C
V_MIN-SPPLY	Min supply voltage	85 V
t_D	Max duty cycle	83 %
R_DS	Drain to source resistance	1.95 ohms

Working Principle

Functional block diagram of the TOP247YN is shown in the figure below. Its consists of error amplifier, oscillator, PWM comparator, current limiting circuit, line sense unit, line under voltage detector, line over voltage protection, Hysteretic over temperature protection and soft start circuit.

These all circuits work together effectively to provide the features like soft start which limits the peak current, higher switching frequency of up to 132 KHz, hysteretic over-temperature shutdown which ensures automatic recovery after thermal faults, lower input voltage requirements and higher power capabilities

SupplierFile/202006/09/f_7fe4f7e07c1b41898b817f11aaaeecaa.png

Applications

TOP247YN is a AC-DC convert and popularly used IC in its family of ICs. IC is used in the following applications

● Universal Power supply

● Process control power supply

● LED drives

● Flyback Circuits

Flyback Converter

Flyback converters are used in AC/DC and DC/DC conversion. Flyback converter is a buck boost converter with inductor split to form a transformer, so that voltage ratios are multiplied with additional advantage of isolation. While circuit is turned ON energy is transformer from input source to the transformer at the same time capacitor that is connected at the output supplies energy to the load. While in OFF state energy is transferred to from the transformer to the output capacitor and the load. By controlling the duty cycle DC output between zero to a maximum design limit can be achieved. Diagram of Flyback converter using TOP247YN is shown in the figure below.

SupplierFile/202006/09/f_a733e2ca0da24f848ae283066082a19c.png

Power Factor Corrected LED drive

A power supply for LED drive applications is shown in the figure below. AC input to the circuit can be anywhere between 85 to 277V, and output form the circuit is 12V with a maximum current of 1.67A.

SupplierFile/202006/09/f_915a47eb83b54a2fb6a244c895922990.png

Preview of the first 3 pages of the data sheet

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Product Reviews

Submit

10000 buyer reviews from United States

Stephanie Russell

TOP247YN

United States

Length of registration:7 years

The TOP247YN is a high-performance integrated circuit designed for use in off-line and isolated DC-DC converters. It features a low start-up current, low operating current, and low power dissipation. It also has a wide operating temperature range, making it suitable for a variety of applications. Additionally, it has a high efficiency and fast transient response, making it an ideal choice for powe

Reply0

03/17/2023

Hugo Meneghetti

TOP247YN

Argentina Villa Gob. Galvez

Length of registration:1 years

Todo perfecto!!

Reply0

07/05/2016

Jose Antonio Cruz Cruz

TOP247YN

Mexico Tequisquiapan

Length of registration:9 years

Reply0

07/02/2016

See all reviews >>

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Returns are normally accepted when completed within 60 days from the date of the parcel delivered.

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All UTSOURCE purchases have a 60 days money back return policy, plus a 90 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.

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TOP247YN IC SW OFF-LINE PS 125/165W TO220

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Alternate Names

TOP247YN

TOP247YN has several brands around the world that may have alternate names for TOP247YN due to regional differences or acquisition. TOP247YN may also be known as the following names: