str-y6700 Sanken Electric Co., Ltd., str-y6700 Datasheet

str-y6700

Manufacturer Part Number

str-y6700

Description

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

Manufacturer

Sanken Electric Co., Ltd.

Datasheet

1.STR-Y6700.pdf (2 pages)

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with Low Standby Power, High Efficiency and Low Noise in Full Load Range,

■

Switching Power Supplies for

General Descriptions

The STR-Y6700 series products are power ICs for quasi-resonant (QR) switching mode power

supplies, incorporating a power MOSFET and a controller IC.

The product achieves high efficiency and low noise systems, by automatic switching of

Auto-Standby operation under light load conditions, QR operation and Bottom-Skip QR

operation in normal operation.

components.

Features

Applications

Product Lineup

The product easily achieves high cost-performance power supply systems with few external

Product No.

STR-Y6734

STR-Y6735

STR-Y6752

STR-Y6753

STR-Y6754

STR-Y6755

STR-Y6756

Multi-Mode Control

The automatic operation mode switching with three steps according to load conditions achieves the optimal

power supply systems with high efficiency and low noise across full load range.

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

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

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

Current-Mode Control

Built-in Startup Circuit, enabling Low Power Consumption

Auto-Standby Function with burst-oscillation, enabling low standby power

Soft-ON Function, preventing the audible noise from transformer at standby (Burst-Oscillation)

Built-in Soft-Start Function

Built-in Bias Assist Function

Overcurrent Protection (OCP) with AC Input Compensation Function

Built-in Leading Edge Blanking Function

Built-in High-Voltage Power MOSFET with Avalanche Energy Guaranteed

Protection Functions

・Overcurrent Protection (OCP) --------------- Pulse-by-Pulse

・Overload Protection (OLP)------------------- Latch Shutdown

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

・Thermal Shutdown Protection (TSD) ------ Latch Shutdown

Digital Consumer Equipments: LCD-TVs, BD / DVD Players / Recorders, etc.,

Home Appliance (White Goods), OA Equipments, Industry Machines, Communication Equipments, Others

Input Power at no load : P

Power IC for Quasi-Resonant Mode Switching Power Supplies

DSS

MOSFET

(MIN) (V)

500

650

STR-Y6700 Series

< 30mW (100VAC), P

DS(ON)

( )

1.3

0.8

2.8

1.9

1.4

1.1

0.6

(MAX)

< 50mW (240VAC)

Product No.

STR-Y6763

STR-Y6765

STR-Y6766

DSS

MOSFET

(MIN) (V)

800

TO-220F (FMY207)

DS(ON)

( )

3.5

2.1

1.7

(MAX)

Related parts for str-y6700

str-y6700 Summary of contents

Page 1

... Low Standby Power, High Efficiency and Low Noise in Full Load Range, ■ General Descriptions The STR-Y6700 series products are power ICs for quasi-resonant (QR) switching mode power supplies, incorporating a power MOSFET and a controller IC. The product achieves high efficiency and low noise systems, by automatic switching of Auto-Standby operation under light load conditions, QR operation and Bottom-Skip QR operation in normal operation ...

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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