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LinkSwitch-XT2SR

High-Efficiency Off-line CV Flyback Switcher IC with Integrated 725 V / 900 V Primary MOSFET, Low No-Load, and Synchronous Rectification

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Product Parts Table
产品
数据手册
輸出功率 (最大) - 开架式, 通用
輸出功率 (最大) - 开架式, 230V
输出电压 (最小)
输出电压 (最大)
击穿电压
输入电压 (最小)
输入电压 (最大)
保护功能
控制功能
内部开关
产品类型
IC封装
拓扑结构
自动重启和过压反应
自动重启阈值
过热反应
运作温度 (最小)
运作温度 (最大)
开关频率 (最大)
平均开关频率 (230 VAC)
MSL等级
Output Power (Max) - Open Frame, Univ 6.0 W
Output Power (Max) - Open Frame, 230V 7.0 W
Voltage - Output (Min) 5 V
Voltage - Output (Max) 5 V
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 6.0 W
Output Power (Max) - Open Frame, 230V 7.0 W
Voltage - Output (Min) 5 V
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 10.0 W
Output Power (Max) - Open Frame, 230V 12.0 W
Voltage - Output (Min) 5 V
Voltage - Output (Max) 5 V
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 10.0 W
Output Power (Max) - Open Frame, 230V 12.0 W
Voltage - Output (Min) 5 V
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 12.0 W
Output Power (Max) - Open Frame, 230V 15.0 W
Voltage - Output (Min) 5 V
Voltage - Output (Max) 5 V
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 12.0 W
Output Power (Max) - Open Frame, 230V 15.0 W
Voltage - Output (Min) 5 V
Breakdown Voltage 725 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 10.0 W
Output Power (Max) - Open Frame, 230V 12.0 W
Voltage - Output (Min) 5 V
Voltage - Output (Max) 5 V
Breakdown Voltage 900 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 484 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3
Output Power (Max) - Open Frame, Univ 10.0 W
Output Power (Max) - Open Frame, 230V 12.0 W
Voltage - Output (Min) 5 V
Breakdown Voltage 900 V
Voltage - Input (Min) 85 V
Voltage - Input (Max) 484 V
Protection Features 开路同步整流FET检测, 输出过压, 过温
Control Features 同步整流, 频率抖动, 自动重启/锁存故障反应, 开/关控制
Internal Switch Yes
Product Type IC
IC Package SO-16B
Topology 反激式
Auto-Restart & Overvoltage Response 自动重启
Auto-Restart Threshold OL
Over-Temperature Response 滞回
Temperature - Operating (Min) -40 °C
Temperature - Operating (Max) 150 °C
Switching Frequency (max) 66 kHz
Switching Frequency (Avg. 230 VAC) 66 kHz
MSL Rating 3

产品详情

The LinkSwitch-XT2SR family dramatically increases the efficiency of auxiliary power supplies used in appliances, consumer products and industrial applications. Ideal for non-isolated designs with a high current, 5 V output, this advanced flyback controller can achieve >90% full load efficiency. High efficiency is maintained over to load range, with >85% efficiency at 100 mW load. No-load consumption is <5 mW.

The default 5 V main output can be adjusted via optional external feedback resistors. Power for start-up and normal operation is supplied from the DRAIN and VOUT pins, eliminating the need for a bias winding and associated

circuitry. The SO-16 package and a low number of external components make the LinkSwitch-XT2SR ICs ideal for compact designs.

Key Features

Ideal for Non-Isolated Applications

  • Low component count switcher solution with SR driver and integrated 3.3 V LDO (uVCC)
  • High-efficiency across load range
  • Accurate CV independent of transformer design or external components
  • Feature Code H003 - default 5 V output with no external feedback components
  • Feature Code H004 - adjustable output voltage using optional FEEDBACK pin
  • Simple two winding transformer
  • Compact package reduces PCB area

EcoSmart™ – Energy-Efficient

  • Less than 5 mW no-load at 230 VAC
  • • Enables designs that easily meet global energy efficiency regulations
  • • Achieves up to 90% full load efficiency with 5 V output

Advanced Protection / Safety Features

  • Hysteretic thermal shutdown (OTP)
  • Output OV protection with VOUT pin
  • Extended creepage between DRAIN pin and all other pins increases field reliability
  • 725 V MOSFET rating series for excellent surge withstand
  • 900 V switch rating for industrial applications and extra safety margin
  • Extremely low component count enhances reliability
  • Allows use of single-sided PCB and full SMD manufacturability

Green Package

  • Halogen free and RoHS compliant