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ST1638-XXS23 参数 Datasheet PDF下载

ST1638-XXS23图片预览
型号: ST1638-XXS23
PDF下载: 下载PDF文件 查看货源
内容描述: 升压型DC / DC转换器高效率PFM [Step-Up DC/DC Converter High Efficiency PFM]
分类和应用: 转换器
文件页数/大小: 7 页 / 99 K
品牌: STANSON [ STANSON TECHNOLOGY ]
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Step-Up DC/DC Converter
High Efficiency PFM
ST1638
DESCRIPTION
The ST1638 is a high efficiency PFM step-up DC/DC converter for application using
battery powered devices. Only three external components are required to construct a low ripple,
high efficiency converter. ST1638 can start up from 0.9V input voltage with 1mA load.
The space saving SOT-89 and SOT-23 packages make ST1638 an ideal choice for spce
conscious applications.
PIN CONFIGURATION
SOT-23-3L
SOT-89
VOUT
GND
SW
APPLICATIONS
Battery Powered Devices
Camera
PDA
Hand Held Communication Equipment
Camcoder
Power Source for Applications which
Require Higher Voltage than Batteries
can Provide
SW
GND
VOUT
FEATURES
PART MARKING
SOT-23-3L
SOP-89
Larger than 85% Efficiency
Low Startup Voltage, 0.9V at 1mA
Low Ripple and Low Noise
Low Quiescent Current
Minimum Number of External
Components
SOT-89 and SOT-23 Small Package
638YA
Y
Year
A
Day Code
S1638
YW
Y
Year
A
Day Code
STANSON TECHNOLOGY
120 Bentley Square, Mountain View, Ca 94040 USA
TEL: (650) 9389294 FAX: (650) 9389295
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