STR-W605XS 查看數據表（PDF） - Sanken Electric co.,ltd.

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STR-W605XS

Current Mode Control PWM Regulator IC For Switching Power Supplies

Sanken Electric co.,ltd. 

STR-W605xS

Current Mode Control PWM Regulator IC

For Switching Power Supplies

Features and Benefits

▪ TO-220F power package with 30 to 90 W power output

▪ Current Mode PWM control

▪ Built-in Random Switching function, reducing EMI noise,

and simplifying EMI filters, and therefore reducing cost

▪ Built-in Slope Compensation function, avoiding

subharmonic oscillation

▪ Built-in Auto Standby function (Input Power, PIN < 30 mW

at no load)

▫ Normal operation: PWM mode

▫ Light load operation: Standby mode (burst oscillation)

▪ Built-in Audible Noise Suppression function during

Standby mode

▪ Built-in Startup Circuit, reducing power consumption in

standby operation, and eliminating external components.

▪ Bias-Assist function, improving startup operation,

suppressing VCC voltage drop in operation, and allowing

use of smaller VCC capacitor

▪ Built-in Leading Edge Blanking function

Continued on the next page…

Package: 6-Pin fully molded

TO-220F-6L (FM207)

Description

The STR-W605xS series are power ICs for switching power

supplies, incorporating a power MOSFET and a current mode

PWM controller IC. Including a startup circuit and a standby

function in the controller, the product achieves low power

consumption, low standby power, and high cost-effectiveness

power supply systems with few external components.

The STR-W605xS internal MOSFET has a VDSS of 650 V (min),

and an RDS(on) of 1.9 Ω (max) to 3.95 Ω (max) with a frequency

of 67 kHz. Power output is rated at 45 to 90 W at 230 VAC

input and 30 to 60 W at wide input range (85 to 265 VAC).

The device is provided in an industry-standard TO-220 package,

with heatsink mounting flange and pin 2 removed for increased

supply isolation.

Applications:

For switching power supplies used in:

• White goods

• Consumer electronics

• Office automation

• Industrial equipment

• Communication equipment

Not to scale

Typical Application

VAC

VOU T

STR-W605xS-DS

STR-W6000S

1 34567

GND

Brown-In/Brown-Out function

disabled by connecting BR

terminal to GND.

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