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LY1152SL PDF预览

LY1152SL

更新时间: 2024-11-08 12:36:55
品牌 Logo 应用领域
台湾来扬 - LYONTEK 控制器
页数 文件大小 规格书
5页 234K
描述
Inverting DC/DC Controller (SOP)

LY1152SL 数据手册

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®
LY1152  
Rev. 1.2  
Inverting DC/DC Controller (SOP)  
FEATURES  
GENERAL DESCRIPTION  
„ 2.4V ~ 7.0V Power supply.  
„ Low shutdown current at 0.1uA (Typical).  
„ Low quiescent current at 90.0uA (Typical).  
„ Adjustable Output Voltage to -40V.  
„ 60KHz ~ 160KHz Switching Frequency.  
„ High Efficiency with Low Cost External PNP  
Bipolar Transistor.  
„ Pulse Frequency Modulation Maintains High  
Efficiency (80%).  
The LY1152 is a high performance inverting DC/DC  
controller, and the LY1152 designed to drive an  
external power switch to generate adjustable  
negative voltages. Output voltage can be scaled to  
-40V.  
The LY1152 quiescent current is about 90.0uA and  
shutdown mode current can be reduced to 0.1uA.  
In the LCD bias contrast application, efficiency of  
80% can be achieved with low cost PNP bipolar  
transistor drivers.  
„ Lead free and green package available.  
(RoHS Compliant)  
„ Space Saving Package:  
The LY1152 switching frequency can be around  
60KHz to 160KHz range, and small size package is  
ideally suited for powered portable equipments.  
- 8-pin SOP package.  
APPLICATION  
„ Negative Voltage Supply.  
„ Negative LCD Contrast Bias for  
- Portable Data Collection Terminals.  
- Notebook Computers.  
PIN CONFIGURATION  
LY1152 SOP8 (Top View)  
Lyontek Inc. reserves the rights to change the specifications and products without notice.  
5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan  
TEL: 886-3-6668838  
FAX: 886-3-6668836  
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