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PDF STR-W6765N Data sheet ( Hoja de datos )
| Número de pieza | STR-W6765N | |
| Descripción | Power IC for Quasi-Resonant Type Switching Power Supply | |
| Fabricantes | Sanken | |
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Power IC for Quasi-Resonant Type Switching Power Supply
with High Efficiency and Low Noise in Full Load Range
STR-W6765N
◆General description
The STR-W6765N is power IC for quasi-resonant type
switching power supply, incorporating a power MOSFET
and a controller IC. The product achieves high efficiency
and low noise power supply systems by the quasi-resonant
operation and the bottom-skip quasi-resonant operation.
◆Package
Package name: TO-220F-6L (FM207)
Sep. 2013
◆Features
Multi operation mode
The operation mode switching according to load
conditions achieves the optimal high efficiency and low
noise power supply systems across the full load range.
Current mode control
Built-in PWM oscillator
The PWM operates with the minimum frequency of
around 22kHz, until the quasi-resonant signal becomes
valid, reduces the stress on components at startup and
load-shorted.
Built-in soft start function
Step-drive function, reducing switching noise
Input compensation at overcurrent
The function reduces the distortion of overcurrent
operation point to AC input voltage change by adding
three components.
Avalanche energy guaranteed by two chips structure
(Simplification of surge absorbing circuit)
Protection functions
Overcurrent protection (OCP); Pulse-by-pulse
Overload protection (OLP); latched shutdown
Overvoltage protection (OVP); latched shutdown
◆Specification
MOSFET
800V(MIN), 1.8Ω(MAX)
◆Applications
Switching power supplies for
LCD-TVs, PDP-TVs, CRT-TVs and Digital consumer
equipment
Home appliances
OA equipments
Industry machines
Communication devices
◆Typical application circuit
STR-W6700
D
1
VCC
4
3
S/GND
ROCP
Cont
7
OCP
/BD
6
FB
5
SS
/OLP
RX
CX
P S1
+B
ErrAmp
D
S2
RSeIg
RESIre：rASgAm:NpS：KaSEAnNNk KeLEninNel airSnREee agSurelrariteeosrgIuC lator IC etc.
GND
Standby
ON/OFF
LowB
Standby
Out
GND
Sanken Electric Co., Ltd.
1/11
1 page  
Power IC for Quasi-Resonant Type Switching Power Supply
with High Efficiency and Low Noise in Full Load Range
STR-W6765N
Sep. 2013
Sanken Electric Co., Ltd.
5/11
5 Page 
Power IC for Quasi-Resonant Type Switching Power Supply
with High Efficiency and Low Noise in Full Load Range
STR-W6765N
Sep. 2013
Electrostatic Discharge
When handling the products, the operator must be grounded. Grounded wrist straps worn should have at least 1MΩ of
resistance from the operator to ground to prevent shock hazard, and it should be placed near the operator.
Workbenches where the products are handled should be grounded and be provided with conductive table and floor mats.
When using measuring equipment such as a curve tracer, the equipment should be grounded.
When soldering the products, the head of soldering irons or the solder bath must be grounded in order to prevent leak
voltages generated by them from being applied to the products.
The products should always be stored and transported in Sanken shipping containers or conductive containers, or be
wrapped in aluminum foil.
IMPORTANT NOTES
The contents in this document are subject to changes, for improvement and other purposes, without notice. Make sure
that this is the latest revision of the document before use.
Application and operation examples described in this document are quoted for the sole purpose of reference for the use
of the products herein and Sanken can assume no responsibility for any infringement of industrial property rights,
intellectual property rights or any other rights of Sanken or any third party which may result from its use. Unless
otherwise agreed in writing by Sanken, Sanken makes no warranties of any kind, whether express or implied, as to the
products, including product merchantability, and fitness for a particular purpose and special environment, and the
information, including its accuracy, usefulness, and reliability, included in this document.
Although Sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of
semiconductor products at a certain rate is inevitable. Users of Sanken products are requested to take, at their own risk,
preventative measures including safety design of the equipment or systems against any possible injury, death, fires or
damages to the society due to device failure or malfunction.
Sanken products listed in this document are designed and intended for the use as components in general purpose
electronic equipment or apparatus (home appliances, office equipment, telecommunication equipment, measuring
equipment, etc.).
When considering the use of Sanken products in the applications where higher reliability is required (transportation
equipment and its control systems, traffic signal control systems or equipment, fire/crime alarm systems, various safety
devices, etc.), and whenever long life expectancy is required even in general purpose electronic equipment or apparatus,
please contact your nearest Sanken sales representative to discuss, prior to the use of the products herein.
The use of Sanken products without the written consent of Sanken in the applications where extremely high reliability is
required (aerospace equipment, nuclear power control systems, life support systems, etc.) is strictly prohibited.
When using the products specified herein by either (i) combining other products or materials therewith or (ii) physically,
chemically or otherwise processing or treating the products, please duly consider all possible risks that may result from
all such uses in advance and proceed therewith at your own responsibility.
Anti radioactive ray design is not considered for the products listed herein.
Sanken assumes no responsibility for any troubles, such as dropping products caused during transportation out of
Sanken’s distribution network.
The contents in this document must not be transcribed or copied without Sanken’s written consent.
Sanken Electric Co., Ltd.
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet STR-W6765N.PDF ] | |
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