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參數資料
| 型號： | L6920DB |
| 廠商： | 意法半導體 |
| 英文描述： | Synchronous rectifier step up converter |
| 中文描述： | 同步整流轉換器的步驟 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 373K |
| 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 μP.
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
www.st.com
Application circuit
L6920DB
3.3V
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| L6920DBTR | Synchronous rectifier step up converter |
| L6920DTR | 1V HIGH EFFICIENCY SYNCRONOUS STEP UP CONVERTER |
| L6920D | 1V HIGH EFFICIENCY SYNCRONOUS STEP UP CONVERTER |
| L6920 | 1V HIGH EFFICIENCY SYNCRONOUS STEP UP CONVERTER |
| L6924D013TR | Battery charger system with integrated power switch for Li-ION/Li-POLYMER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| L6920DBTR | 功能描述:直流/直流開關轉換器 SYNCRONOUS RECT. STEP UP CONVERTER RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| L6920DC | 功能描述:直流/直流開關調節器 Sync Rectifier Step Up Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L6920DCTR | 功能描述:直流/直流開關調節器 Sync Rectifier Step Up Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L6920DTR | 功能描述:直流/直流開關轉換器 0.6 to 5.5V Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| L6922-1 | 制造商:Thomas & Betts 功能描述:3/4 CORD GRIP CONNECTOR,EA |
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