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SI9912DY

更新时间: 2024-09-09 22:33:55
品牌 Logo 应用领域
威世 - VISHAY 驱动器MOSFET驱动器驱动程序和接口开关光电二极管
页数 文件大小 规格书
8页 95K
描述
Half-Bridge MOSFET Driver for Switching Power Supplies

SI9912DY 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.73
Is Samacsys:NJESD-30 代码:R-PDSO-G8
JESD-609代码:e0端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5 V
认证状态:Not Qualified子类别:MOSFET Drivers
标称供电电压:5 V表面贴装:YES
技术:MOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

SI9912DY 数据手册

 浏览型号SI9912DY的Datasheet PDF文件第2页浏览型号SI9912DY的Datasheet PDF文件第3页浏览型号SI9912DY的Datasheet PDF文件第4页浏览型号SI9912DY的Datasheet PDF文件第5页浏览型号SI9912DY的Datasheet PDF文件第6页浏览型号SI9912DY的Datasheet PDF文件第7页 
Si9912  
Vishay Siliconix  
Half-Bridge MOSFET Driver for Switching Power Supplies  
FEATURES  
APPLICATIONS  
D 4.5- to 5.5-V Operation  
D Multiphase Desktop CPU Supplies  
D Undervoltage Lockout  
D Single-Supply Synchronous Buck Converters  
D Mobile Computing CPU Core Power Converters  
D Standard-Synchronous Converters  
D 250-kHz to 1-MHz Switching Frequency  
D Shutdown Quiescent Current <5 mA  
D One Input PWM Signal Generates Both Drive  
D Bootstrapped High-Side Drive  
D Operates from 4.5- to 30-V Supply  
D TTL/CMOS Compatible Input Levels  
D 1-A Peak Drive Current  
D High Frequency Switching Converters  
D Break-Before-Make Circuit  
DESCRIPTION  
The Si9912 is a dual MOSFET high-speed driver with  
break-before-make. It is designed to operate in high frequency  
dc-dc switchmode power supplies. The high-side driver is  
bootstrapped to handle the high voltage slew rate associated  
with “floating” high-side gate drivers. Each driver is capable of  
switching a 3000-pF load with 60-ns propogation delay and  
25-ns transition time. The Si9912 comes with an internal  
break-before-make feature to prevent shoot-through current in  
the external MOSFETs. A shutdown pin is used to enable the  
driver. When disabled, the quiescent current of the driver is  
less than 5 mA.  
The Si9912 is available in both standard and lead (Pb)-free, 8-pin  
SOIC packages for operation over the industrial operation range  
(40_C to 85_C).  
FUNCTIONAL BLOCK DIAGRAM AND TRUTH TABLE  
BOOT  
V
DD  
D1  
V
DC  
Q
1
C
TRUTH TABLE  
BOOT  
OUT  
H
Level Shift  
VS SD IN VOUTL VOUTH  
L
L
L
H
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
H
OUTPUT  
Undervoltage  
V
S
L
L
L
H
H
L
V
DD  
SD  
IN  
L
H
L
H
H
H
H
OUT  
GND  
L
Q
2
L
H
L
H
H
H
+
V
BBM  
Document Number: 71311  
S-40134—Rev. B, 16-Feb-04  
www.vishay.com  
1
 

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