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ADP3419 PDF预览

ADP3419

更新时间: 2024-01-03 13:53:25
品牌 Logo 应用领域
亚德诺 - ADI 驱动器
页数 文件大小 规格书
16页 393K
描述
Dual Bootstrapped, High Voltage MOSFET Driver with Output Disable

ADP3419 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:MSOP
包装说明:LEAD FREE, MSOP-10针数:10
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.46
高边驱动器:YES接口集成电路类型:HALF BRIDGE BASED MOSFET DRIVER
JESD-30 代码:S-PDSO-G10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:10
最高工作温度:100 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP10,.19,20封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
座面最大高度:1.1 mm子类别:MOSFET Drivers
标称供电电压:5 V电源电压1-最大:26 V
电源电压1-分钟:4 V表面贴装:YES
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3 mm

ADP3419 数据手册

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Dual Bootstrapped, High Voltage MOSFET  
Driver with Output Disable  
ADP3419  
FEATURES  
SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM  
All-in-one synchronous buck driver  
One PWM signal generates both drives  
Anticross-conduction protection circuitry  
Output disable function  
Crowbar control  
Synchronous override control  
Undervoltage lockout  
VCC  
5
BST  
10  
1
2
9
8
DRVH  
SW  
IN  
UVLO,  
OVERLAP  
PROTECTION,  
SHUTDOWN  
AND  
SD  
3
4
DRVLSD  
CROWBAR  
CIRCUITS  
APPLICATIONS  
6
DRVL  
CROWBAR  
Mobile computing CPU core power converters  
Multiphase desk-note CPU supplies  
ADP3419  
7
Single-supply synchronous buck converters  
Nonsynchronous-to-synchronous drive conversion  
GND  
Figure 1.  
GENERAL DESCRIPTION  
The ADP3419 is a dual MOSFET driver optimized for driving  
two N-channel switching MOSFETs in nonisolated synchro-  
nous buck power converters used to power CPUs in portable  
computers. The driver impedances have been chosen to provide  
optimum performance in multiphase regulators at up to 25 A  
per phase. The high-side driver can be bootstrapped relative to  
the switch node of the buck converter and is designed to  
accommodate the high voltage slew rate associated with floating  
high-side gate drivers.  
GENERAL APPLICATION CIRCUIT  
5V  
VDC  
5
VCC  
FROM CONTROLLER  
1
2
3
IN  
10  
9
BST  
PWM OUTPUT  
ADP3419  
FROM SYSTEM  
ENABLE CONTROL  
DRVH  
SW  
V
SD  
OUT  
FROM  
CONTROLLER  
8
6
DRVLSD  
The ADP3419 includes an anticross-conduction protection  
circuit, undervoltage lockout to hold the switches off until the  
driver has sufficient voltage for proper operation, a crowbar  
input that turns on the low-side MOSFET independently of the  
input signal state, and a low-side MOSFET disable pin to  
FROM CONTROLLER  
CLAMP OUTPUT  
4
CROWBAR DRVL  
GND  
7
Figure 2.  
SD  
provide higher efficiency at light loads. The  
pin shuts off  
both the high-side and the low-side MOSFETs to prevent rapid  
output capacitor discharge during system shutdown.  
The ADP3419 is specified over the extended commercial  
temperature range of 0°C to 100°C and is available in a 10-lead  
MSOP package.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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