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参数资料
| 型号： | TOP246FN |
| 厂商： | Power Integrations |
| 文件页数： | 2/52页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT UVLO HV TO262 |
| 标准包装： | 50 |
| 系列： | TOPSwitch®-GX |
| 输出隔离： | 隔离 |
| 频率范围： | 66 ~ 132kHz |
| 输出电压： | 700V |
| 功率（瓦特）： | 125W |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | TO-262-7（成形引线），6 引线 |
| 供应商设备封装： | TO-262-7C |
| 包装： | 管件 |
| 产品目录页面： | 1204 (CN2011-ZH PDF) |
| 其它名称： | 596-1168 TOP246FN-ND |
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TOP242-250
Section List
Functional Block Diagram ....................................................................................................................................... 3
Pin Functional Description ...................................................................................................................................... 4
TOPSWITCH-GX Family Functional Description ....................................................................................................... 5
CONTROL (C) Pin Operation .................................................................................................................................. 6
Oscillator and Switching Frequency ........................................................................................................................ 6
Pulse Width Modulator and Maximum Duty Cycle .................................................................................................. 7
Light Load Frequency Reduction ............................................................................................................................ 7
Error Ampli?er ......................................................................................................................................................... 7
On-Chip Current Limit with External Programmability ............................................................................................ 7
Line Under-Voltage Detection (UV) ......................................................................................................................... 8
Line Overvoltage Shutdown (OV) ........................................................................................................................... 8
Line Feed-Forward with DC MAX Reduction .............................................................................................................. 8
Remote ON/OFF and Synchronization ................................................................................................................... 9
Soft-Start ................................................................................................................................................................. 9
Shutdown/Auto-Restart ........................................................................................................................................... 9
Hysteretic Over-Temperature Protection ................................................................................................................. 9
Bandgap Reference .............................................................................................................................................. 10
High-Voltage Bias Current Source ........................................................................................................................ 10
Using Feature Pins ................................................................................................................................................... 10
FREQUENCY (F) Pin Operation ........................................................................................................................... 10
LINE-SENSE (L) Pin Operation ............................................................................................................................ 10
EXTERNAL CURRENT LIMIT (X) Pin Operation .................................................................................................. 11
MULTI-FUNCTION (M) Pin Operation .................................................................................................................. 11
Typical Uses of FREQUENCY (F) Pin ...................................................................................................................... 14
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins ...................................................... 15
Typical Uses of MULTI-FUNCTION (M) Pin ........................................................................................................... 17
Application Examples .............................................................................................................................................. 20
A High Ef?ciency, 30 W, Universal Input Power Supply ........................................................................................ 20
A High Ef?ciency, Enclosed, 70 W, Universal Adapter Supply .............................................................................. 20
A High Ef?ciency, 250 W, 250-380 VDC Input Power Supply ............................................................................... 22
Multiple Output, 60 W, 185-265 VAC Input Power Supply .................................................................................... 23
Processor Controlled Supply Turn On/Off ............................................................................................................. 24
Key Application Considerations ............................................................................................................................. 26
TOPSwitch-II vs. TOPSwitch-GX .......................................................................................................................... 26
TOPSwitch-FX vs. TOPSwitch-GX ....................................................................................................................... 28
TOPSwitch-GX Design Considerations ............................................................................................................... 28
TOPSwitch-GX Layout Considerations ................................................................................................................. 30
Quick Design Checklist ......................................................................................................................................... 32
Design Tools ......................................................................................................................................................... 32
Product Speci?cations and Test Conditions ......................................................................................................... 33
Typical Performance Characteristics .................................................................................................................... 40
Part Ordering Information ....................................................................................................................................... 46
Package Outlines ..................................................................................................................................................... 47
2
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11/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TOP246FN- | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP246FN-TL | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP246F-TL | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP246G- | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP246GN | 功能描述:交流/直流开关转换器 22W 85-265 VAC 30 W 230 VAC 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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