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参数资料
| 型号： | L6920DB |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 0.9 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | LEAD FREE, MSOP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 402K |
| 代理商： | L6920DB |
October 2006
Rev 5
1/16
16
L6920DB
Synchronous rectifier step up converter
General features
■ 0.8V start up input voltage
■ Up to 5.5V operating input voltage
■ Internal synchronous rectifier
■ Adjustable output voltage from 1.8V
■ 3.3V and 5V fixed output voltages
■ Low battery voltage detection
■ Reverse battery protection
■ 750mA input current limit
■ Switching frequency up to 1MHz
■ 1.23V reference voltage available
Applications
■ Conversion from 1 to 3 alkaline,
■ NiMH, NiCd battery cells or 1 lithium ION
■ PDA and handheld instruments
■ Digital cameras
■ Cellular phones
■ GPS
■ Distributed power
Description
The L6920DB is a high efficiency monolithic step
up switching converter IC especially designed for
battery powered application.
Package is MSOP8 in order to minimize PCB
space. It requires only three external components
to realize the conversion from the battery voltage
to the selected output voltage.
The minimum output voltage is 1.8V: suitable to
supply the most advanced ASIC and P.
High switching frequency allows for a low profile,
small sized inductor and output capacitor to be
used.
Reference voltage, low battery detection and
Shutdown are provided together with over current.
MSOP8
Application circuit
L6920DB
3.3V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6920DBTR | 功能描述:直流/直流开关转换器 SYNCRONOUS RECT. STEP UP CONVERTER RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| L6920DC | 功能描述:直流/直流开关调节器 Sync Rectifier Step Up Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L6920DCTR | 功能描述:直流/直流开关调节器 Sync Rectifier Step Up Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L6920DTR | 功能描述:直流/直流开关转换器 0.6 to 5.5V Step-Up RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| L6922-1 | 制造商:Thomas & Betts 功能描述:3/4 CORD GRIP CONNECTOR,EA |
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