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Sanken Electric Co., Ltd. STR4A164HD | Demoboard STR4A100 demoboard
Off-Line PWM Controllers with Integrated Power MOSFET STR4A100 Series
Overview
| Topology | Forward Converter |
| Input voltage | 85-265 V |
| Switching frequency | 90-110 kHz |
| Output 1 | 5 V / 1 A |
| IC revision | 3.3 |
Description
The STR4A100 series are power ICs for switchingpower supplies, incorporating a sense MOSFET and acurrent mode PWM controller IC.The low standby power is accomplished by theautomatic switching between the PWM operation innormal operation and the burst-oscillation under lightload conditions. The product achieves highcost-performance power supply systems with fewexternal components.
Features
● Current Mode Type PWM Control● Auto Standby FunctionNo Load Power Consumption < 10 mW● Operation ModeNormal Operation: PWM ModeStandby : Burst Oscillation Mode● Random Switching Function● Slope Compensation Function● Leading Edge Blanking Function● Bias Assist Function● Soft Start Function● Protections− Overcurrent Protection (OCP) : Pulse-by-Pulse,built-in compensation circuit to minimize OCP pointvariation on AC input voltage− Overload Protection (OLP) : Aauto-restart− Overvoltage Protection (OVP) : Auto-restart− Thermal Shutdown (TSD) : Auto-restart withhysteresis
Typical applications
- Auxiliary power for Flat TVs,Other SMPS,Low power AC/DC adapter
- Battery Chargers
- White goods
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1(V) | IOut1(A) | Vaux(V) | fswitch(kHz) | L(mH) | NPRI : NSEC : NAUX | ISAT(A) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-OLEE Offline Transformer, 85 - 265 V (AC), 5 V | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLEE Offline Transformer | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11 A | Auxiliary Voltage17 V | Switching Frequency 65 | Inductance1.7 mH | Turns Ratio16.88:1:1.88 | Saturation Current1.05 A | Insulation Test Voltage3000 V (AC) | Length22.25 mm | Width14.6 mm | Height23.24 mm | MountTHT | SizeEE20/10/6 |