- 您现在的位置：买卖IC网 > PDF目录19716 > TOP249FN (Power Integrations)IC OFFLINE SWIT UVLO HV TO262 PDF资料下载
参数资料
| 型号： | TOP249FN |
| 厂商： | Power Integrations |
| 文件页数： | 26/52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）： | 250W |
| 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 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页当前第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页
TOP242-250
Key Application Considerations
TOPSwitch-II vs. TOPSwitch-GX
Table 4 compares the features and performance differences
between TOPSwitch - GX and TOPSwitch-II . Many of the new
features eliminate the need for additional discrete components.
Other features increase the robustness of design, allowing cost
savings in the transformer and other power components.
Function
TOPSwitch-II TOPSwitch-GX Figures
TOPSwitch-GX
Advantages
Soft-Start
External Current
Limit
N/A*
N/A*
10 ms
Programmable 100%
to 30% of default
current limit
? Limits peak current and voltage
component stresses during start-
up
? Eliminates external components
used for soft-start in most
applications
? Reduces or eliminates output
overshoot
11,20,21, ? Smaller transformer
24,25,27, ? Higher ef?ciency
28,34,35, ? Allows power limiting (constant
38,39 overload power independent of
line voltage)
? Allows use of larger device for
lower losses, higher ef?ciency
and smaller heatsink
DC MAX
Line Feed-Forward
with DC MAX Reduction
67%
N/A*
78%
78% to 38%
7
7,11,17,
26,27,28,
31,40
? Smaller input cap (wider dynamic
range)
? Higher power capability (when
used with RCD clamp for large
V OR )
? Allows use of Schottky secondary
recti?er diode for up to 15 V
output for high ef?ciency
? Rejects line ripple
Line OV Shutdown
Line UV Detection
N/A*
N/A*
Single resistor
programmable
Single resistor
programmable
11,17,19, ? Increases voltage withstand
26,27,28 capability against line surge
31,33,40
11,17,18, ? Prevents auto-restart glitches
26,27,28, during power down
31,32,40
Switching Frequency
100 kHz ±10%
132 kHz ±6%
13,15
? Smaller transformer
? Below start of conducted EMI
limits
Table 4. Comparison Between TOPSwitch-II and TOPSwitch-GX (continued on next page). *Not available
26
O
11/05
相关PDF资料 |
PDF描述 |
|---|---|
| 172-E15-202R021 | CONN DB15 FEMALE SLD CUP TIN |
| MIC39150-1.8BU TR | IC REG LDO 1.8V 1.5A TO-263 |
| TOP248FN | IC OFFLINE SWIT UVLO HV TO262 |
| LTC4253AIGN#TRPBF | IC HOT SWAP CONTRLR -48V 16-SSOP |
| MIC3775-1.5BMM TR | IC REG LDO 1.5V .75A 8-MSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TOP249FN- | 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 |
| TOP249FN-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 |
| TOP249F-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 |
| TOP249G- | 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 |
| TOP249GN- | 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 |
发布紧急采购，3分钟左右您将得到回复。