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参数资料
| 型号： | TOP257EG |
| 厂商： | Power Integrations |
| 文件页数： | 3/50页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT PROG OVP 7CESIP |
| 标准包装： | 48 |
| 输出隔离： | 隔离 |
| 频率范围： | 66 ~ 132kHz |
| 输出电压： | 700V |
| 功率（瓦特）： | 157W |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 7-SIP，6 引线，裸露焊盘，成形引线 |
| 供应商设备封装： | eSIP-7C |
| 包装： | 管件 |
| 其它名称： | 596-1333-5 |
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TOP252-262
Section List
Functional Block Diagram ....................................................................................................................................... 4
Pin Functional Description ...................................................................................................................................... 6
TOPSwitch-HX Family Functional Description ....................................................................................................... 7
CONTROL (C) Pin Operation .................................................................................................................................... 8
Oscillator and Switching Frequency.......................................................................................................................... 8
Pulse Width Modulator ............................................................................................................................................ 9
Maximum Load Cycle .............................................................................................................................................. 9
Error Amplifier .......................................................................................................................................................... 9
On-Chip Current Limit with External Programmability ............................................................................................... 9
Line Undervoltage Detection (UV) ........................................................................................................................... 10
Line Overvoltage Shutdown (OV) ............................................................................................................................ 11
Hysteretic or Latching Output Overvoltage Protection (OVP)................................................................................... 11
Line Feed-Forward with DC MAX Reduction .............................................................................................................. 13
Remote ON/OFF and Synchronization.................................................................................................................... 13
Soft-Start ............................................................................................................................................................... 13
Shutdown/Auto-Restart ......................................................................................................................................... 13
Hysteretic Over-Temperature Protection ................................................................................................................. 13
Bandgap Reference ............................................................................................................................................... 13
High-Voltage Bias Current Source .......................................................................................................................... 13
Typical Uses of FREQUENCY (F) Pin ...................................................................................................................... 15
Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins .......................................... 16
Typical Uses of MULTI-FUNCTION (M) Pin ........................................................................................................... 18
Application Examples .............................................................................................................................................. 21
A High Efficiency, 35 W, Dual Output – Universal Input Power Supply ..................................................................... 21
A High Efficiency, 150 W, 250-380 VDC Input Power Supply .................................................................................. 22
A High Efficiency, 20 W Continuous – 80 W Peak, Universal Input Power Supply ................................................... 23
A High Efficiency, 65 W, Universal Input Power Supply ........................................................................................... 24
Key Application Considerations .............................................................................................................................. 25
TOPSwitch-HX vs.TOPSwitch-GX ....................................................................................................................... . 25
TOPSwitch-HX Design Considerations .................................................................................................................. 26
TOPSwitch-HX Layout Considerations ................................................................................................................... 27
Quick Design Checklist .......................................................................................................................................... 31
Design Tools .......................................................................................................................................................... 31
Product Specifications and Test Conditions .......................................................................................................... 32
Typical Performance Characteristics .................................................................................................................... 39
Package Outlines .................................................................................................................................................... 43
Part Ordering Information ........................................................................................................................................ 47
3
www.powerint.com
Rev. H 06/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TOP257EN | 功能描述:交流/直流开关转换器 Int Off-Line Switchr 119W/157W RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压（最大值）:23.5 V 输入/电源电压（最小值）:11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel |
| TOP257GN | 功能描述:交流/直流开关转换器 30W/45W PK 85-264VAC 41W/70W PK (230V AC) RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压（最大值）:23.5 V 输入/电源电压（最小值）:11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel |
| TOP257GN-TL | 功能描述:交流/直流开关转换器 Off-Line Switcher IC 30W/45W PK RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压（最大值）:23.5 V 输入/电源电压（最小值）:11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel |
| TOP257LG | 功能描述:交流/直流开关转换器 78W (85-264VAC) 105W (230V AC) RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压（最大值）:23.5 V 输入/电源电压（最小值）:11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel |
| TOP257LN | 功能描述:交流/直流开关转换器 78W (85-264VAC) 105W (230V AC) RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压（最大值）:23.5 V 输入/电源电压（最小值）:11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel |
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