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| 软件名称 |
tps60403.pdf |
| 运行环境 |
Win9X/Win2000/WinXP/Win2003/ |
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| 整理时间 |
2008-5-8 11:00:41 |
| 软件星级 |
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| 软件语言 |
简体中文 |
| 软件类型 |
国产软件 |
| 授权方式 |
共享软件 |
| 软件大小 |
666 KB |
| 相关连接 |
csb23@126.com 官方主页 没有预览图片
[收 藏] |
| 下载统计 |
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| 解压密码 |
www.elecfans.com |
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 软件简介 |
The TPS6040x is a family of devices that generate an unregulated negative output voltage from an input voltage
ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due
to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can
also power them.
Only three external 1-µF capacitors are required to build a complete dc/dc charge pump inverter. Assembled
in a 5-pin SOT23 package, the complete converter can be built on a 50 mm2 board area. Additional board area
and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up
into load by integrated circuitry.
The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of greater
than 90% over a wide output current range. Three device options with 20-kHz, 50-kHz, and 250-kHz fixed
frequency operation are available. One device comes with a variable switching frequency to reduce operating
current in applications with a wide load range and enables the design with low-value capacitors.
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