DescriptionThe 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.

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
▪ Two-chip structure, with a controller and a power MOSFET with guaranteed avalanche energy available to simplify surge absorber circuits
▪ Protection functions:
▫ Brown-In and Brown-Out Protection function: auto-restart, prevention of excess input current and heat rise at low input voltage
▫ Overcurrent Protection function (OCP): pulse-by-pulse built-in compensation circuit to minimize OCP point variation on AC input voltage
▫ Overload Protection function (OLP): auto-restart, built-in timer, reduces heat during overload condition, and no external components required
▫ Overvoltage Protection function (OVP): Auto-restart
▫ Thermal Shutdown Protection function (TSD): Auto-restart

Applications:For switching power supplies used in:
• White goods
• Consumer electronics
• Office automation
• Industrial equipment
• Communication equipment

Manufacturer	SANKEN
Product Category	AC DC Converters, Offline Switchers
Series	STR-W6000S
Packaging	Tube
Package-Case	TO-220-7 (Formed Leads) (6 Leads)
Operating-Temperature	-20°C ~ 115°C (TA)
Mounting-Type	Through Hole
Supplier-Device-Package	TO-220F-6L
Watt	45W
Output-Isolation	Isolated
Internal-Switch-s	Yes
Voltage-Breakdown	650V
Topology	Flyback
Voltage-Start-Up	15.3V
Voltage-Supply-Vcc-Vdd	8.1 V ~ 32 V
Duty-Cycle	71%
Frequency-Switching	60kHz ~ 74kHz
Fault-Protection	Current Limiting, Over Load, Over Temperature, Over Voltage
Control-Features	-