str-y6400 Sanken Electric Co., Ltd., str-y6400 Datasheet

str-y6400

Manufacturer Part Number

str-y6400

Description

Power Ic For Quasi-resonant Type Switching Power Supply With High Efficiency, Low Noise And Low Standby Power In Full Load Range

Manufacturer

Sanken Electric Co., Ltd.

Datasheet

1.STR-Y6400.pdf (2 pages)

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The STR-Y6400 series products are power ICs for quasi-resonant switching type power

supplies, incorporating a power MOSFET and a controller IC. The product achieves high

efficiency and low noise power supply systems across the full load range, by the low standby

power, the quasi-resonant operation, the bottom-skip quasi-resonant operation, and the

burst-oscillation.

The STR-L6400 series products are the different package (SIP-10) versions.

General Descriptions

Features

Applications

Switching Power Supplies for

Product Lineup

Digital Consumer Equipment; LCD-TVs, BD/DVD Players/Recorders, etc., Home Appliance (White Goods),

OA Equipments, Industry Machines, Communication Devices, Others

Power IC for Quasi-Resonant Type Switching Power Supply

Multi-Mode Control

The operation mode switching with four steps according to load conditions achieves the optimal high efficiency and

low noise power supply systems across the full load range.

Current-Mode Control

Bottom-Skip Function with Delay Time Setting, enabling stable switching

Built-in Startup Circuit, enabling low power consumption

Auto-Standby Function with Burst-Oscillation, enabling low standby power(Input power P

Soft-ON Function, preventing the audible noise from transformer, during the standby operation (burst-oscillation)

and the dynamic load change.

Soft-Start Function

Step-Drive Function, reducing switching noise

Leading Edge Blanking Function

External ON/OFF Function

Built-in Avalanche Energy Guaranteed High-Voltage Power MOSFET

Various Protections

・In Standby: Auto Standby (Auto Burst-Oscillation)

・Under Low to Middle Load Conditions: 1 or 2 Bottom-Skip Quasi-Resonant Operation (Bottom-Skip QR)

・Under Middle to Rating (or Heavy) Load Conditions: Quasi-Resonant Operation (QR)

Overcurrent Protection (OCP)-------- Pulse-by-Pulse with AC Input Compensation Function

Overload Protection (OLP) ----------- Latch Shutdown or Auto-Restart Option by changing external components

Overvoltage Protection (OVP) ------- Latch Shutdown

with High Efficiency, Low Noise and Low Standby Power

Product No.

STR-Y6453

STR-Y6456

STR-Y6473

STR-Y6476

DSS

STR-Y6400 Series

MOSFET

(MIN) (V)

650

850

in Full Load Range

DS(ON)

( )

1.8

0.73

3.6

1.3

(MAX)

< 100mW at no load)

TO-220F-7

Related parts for str-y6400

str-y6400 Summary of contents

Page 1

... General Descriptions The STR-Y6400 series products are power ICs for quasi-resonant switching type power supplies, incorporating a power MOSFET and a controller IC. The product achieves high efficiency and low noise power supply systems across the full load range, by the low standby power, the quasi-resonant operation, the bottom-skip quasi-resonant operation, and the burst-oscillation ...

Page 2

... Make sure that this is the latest version of the document before use. The operation and circuit examples in this document are provided for reference purposes only. Sanken assumes no liability for violation of industrial property, intellectual property, or other rights of Sanken or third parties, that stem from these examples. ...

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