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G8089 PDF预览

G8089

更新时间: 2022-10-21 11:18:45
品牌 Logo 应用领域
GTM /
页数 文件大小 规格书
8页 622K
描述
高功率,大电流DC-DC 升压IC

G8089 数据手册

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G8089  
Low-Supply-Current Synchronous Step-up DC-DC Converter  
General Description  
Features:  
The G8089 is a compact, PFM mode, and  
step-up DC-DC converter with low quiescent  
current. The inter-nal synchronous rectifier  
reducescostandPCBspace.byeliminatingthe  
need for an external Schottky diode. Low  
on-resistance of the internal switches  
improves theefficiency up to 95%. The  
start-up voltage is guaranteed. below 1V.  
After start-up, the device can operate with  
input voltage down to 0.9V. The G8089 is  
suitable for por-table battery-powered  
applications. Consuming only 15mA quiescent  
current and an optimized control scheme  
al-lows the device to operate at very high  
efficiency over the entire load current  
range.  
0.9V Typical Start-up Input Voltage  
15mA Typical No Load Quiescent Current  
PFM Operation  
High Efficiency up to 95%  
Fixed 1.8V, 2.1V, 2.8V, 3V, 3.3V, 3.8V, 4.5V or  
5.5V  
Output Voltage  
800mA  
Internal  
Switch  
CurrentInternal  
Synchronous Rectifier  
SOT-89 Package  
Lead Free and Green Devices Available.  
Pin Configuration  
Simplified Application Circuit  
GM Micro Devices  
1

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