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STR3A461HDL

Sanken
Part Number STR3A461HDL
Manufacturer Sanken
Description Off-Line PWM Controller
Published May 16, 2021
Detailed Description Off-Line PWM Controllers with Integrated Power MOSFET STR3A400HDL Series Data Sheet Description The STR3A400HDL series...
Datasheet PDF File STR3A461HDL PDF File

STR3A461HDL
STR3A461HDL

Overview
Off-Line PWM Controllers with Integrated Power MOSFET STR3A400HDL Series Data Sheet Description The STR3A400HDL series are power ICs for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC.
The low standby power is accomplished by the automatic switching between the PWM operation in normal operation and the burst-oscillation under light load conditions.
The product achieves high costperformance power supply systems with few external components.
Features ● Low Thermal Resistance Package ● Improving circuit efficiency (Since the step drive control can keep VRM of secondary rectification diodes low, the circuit efficiency can be improved by low VF) ● Noise Reduction ● Current Mode Type PWM Control ● Soft Start Function ● Automatic Standby Function No Load Power Consumption < 15mW ● Operation Mode Normal Operation ---------------------------- PWM Mode Light Load Operation ------------------------Green-Mode Standby ----------------------------Burst Oscillation Mode ● Random Switching Function ● Slope Compensation Function ● Leading Edge Blanking Function ● Bias Assist Function ● Protections Two Types of Overcurrent Protection (OCP): Pulseby-Pulse, built-in compensation circuit to minimize OCP point variation on AC input voltage Overload Protection (OLP): Auto-restart Overvoltage Protection (OVP): Auto-restart Thermal Shutdown (TSD): Auto-restart with hysteresis Typical Application VAC BR1 C1 C4 C5 8 7 6 5 D/ST D/ST DN/SCT D/ST U1 STR3A400HDL S/OCP VCC GND FB/OLP 1234 T1 D51 R1 P D1 C51 S D2 R2 C2 D L51 R54 PC1 R51 R55 R52 C52 R53 U51 R56 VOUT C53 GND ROCP C3 PC1 CY TC_STR3A400HDL_1_R1 Package DIP8 Selection Guide ● Electrical Characteristics fOSC(AVG)(typ.
) = 100 kHz Part Number STR3A461HDL(1) STR3A462HDL STR3A463HDL(1) VDSS (min.
) 700 V Not to Scale RDS(ON) (max.
) 4.
2 Ω 3.
2 Ω 2.
2 Ω ● Output Power, POUT(2) POUT Part Number (Adapter) AC230V AC85 ~265V STR3A461HDL(1) 28 W 21 W POUT (Open frame) AC...


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