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参数资料
型号： ADP1850SP-EVALZ
厂商： Analog Devices Inc
文件页数： 2/32页
文件大小： 0K
描述： EVAL BOARD FOR ADP1850SP
标准包装： 1
主要目的： DC/DC，步降
输出及类型： 2，非隔离
输出电压： 1.8V，3.3V
电流 - 输出： 14A，14A
输入电压： 10 ~ 20 V
稳压器拓扑结构： 降压
频率 - 开关： 600kHz
板类型： 完全填充
已供物品： 板
已用 IC / 零件： ADP1850SP

ADP1850
TABLE OF CONTENTS
Features .............................................................................................. 1 ?
Applications ....................................................................................... 1 ?
General Description ......................................................................... 1 ?
Typical Operation Circuit................................................................ 1 ?
Revision History ............................................................................... 2 ?
Specifications..................................................................................... 3 ?
Absolute Maximum Ratings............................................................ 5 ?
ESD Caution .................................................................................. 5 ?
Simplified Block Diagram ............................................................... 6 ?
Pin Configuration and Function Descriptions ............................. 7 ?
Typical Performance Characteristics ............................................. 9 ?
Theory of Operation ...................................................................... 12 ?
Control Architecture .................................................................. 12 ?
Oscillator Frequency .................................................................. 12 ?
Modes of Operation ................................................................... 13 ?
Synchronization .......................................................................... 13 ?
Synchronous Rectifier and Dead Time ................................... 14 ?
Input Undervoltage Lockout ..................................................... 14 ?
Internal Linear Regulator .......................................................... 14 ?
Overvoltage Protection .............................................................. 14 ?
Power Good................................................................................. 14 ?
Short-Circuit and Current-Limit Protection .......................... 15 ?
Shutdown Control ...................................................................... 15 ?
Thermal Overload Protection................................................... 15 ?
Applications Information .............................................................. 16 ?
Setting the Output Voltage ........................................................ 16 ?
Soft Start ...................................................................................... 16 ?
Data Sheet
Accurate Current-Limit Sensing .............................................. 17 ?
Setting the Slope Compensation .............................................. 17 ?
Setting the Current Sense Gain ................................................ 17 ?
Input Capacitor Selection .......................................................... 18 ?
Input Filter................................................................................... 18 ?
Boost Capacitor Selection ......................................................... 18 ?
Inductor Selection ...................................................................... 18 ?
Output Capacitor Selection....................................................... 19 ?
MOSFET Selection ..................................................................... 19 ?
Loop Compensation (Single Phase Operation) ..................... 21 ?
Configuration and Loop Compensation (Dual-Phase
Operation) ................................................................................... 22 ?
Switching Noise and Overshoot Reduction ............................ 22 ?
Voltage Tracking ......................................................................... 23 ?
Indepdendent Power Stage Input Voltage ............................... 24 ?
PCB Layout Guidelines .................................................................. 25 ?
MOSFETs, Input Bulk Capacitor, and Bypass Capacitor ...... 25 ?
High Current and Current Sense Paths ................................... 25 ?
Signal Paths ................................................................................. 25 ?
PGND Plane ................................................................................ 25 ?
Feedback and Current-Limit Sense Paths ............................... 25 ?
Switch Node ................................................................................ 26 ?
Gate Driver Paths ....................................................................... 26 ?
Output Capacitors ...................................................................... 26 ?
Typical Operating Circuits ............................................................ 27 ?
Outline Dimensions ....................................................................... 31 ?
Ordering Guide .......................................................................... 31 ?
Setting the Current Limit .......................................................... 16 ?
REVISION HISTORY
4/12—Rev. 0 to Rev. A
Changes to Setting the Current Sense Gain Section .................. 17
Updated Outline Dimensions ....................................................... 31
11/10—Revision 0: Initial Version
Rev. A | Page 2 of 32
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ADP1853-EVALZ 功能描述:电源管理IC开发工具 Evaluation Board 3.3V 20A Output RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
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