参数资料
| 型号： | ADP3198JCPZ-RL |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/31页 |
| 文件大小： | 0K |
| 描述： | IC BUCK CTRLR 8BIT PROG 40LFCSP |
| 产品变化通告： | MFG CHG Notification ADI to ON Semi |
| 标准包装： | 2,500 |
| 应用： | 控制器，Intel VRM |
| 输入电压： | 12V |
| 输出数： | 4 |
| 输出电压： | 0.5 V ~ 1.6 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 40-LFCSP-VQ（6x6） |
| 包装： | 带卷 (TR) |
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ADP3198
TABLE OF CONTENTS
Features...............................................................................................1
Applications .......................................................................................1
General Description..........................................................................1
Functional Block Diagram...............................................................1
Revision History................................................................................2
Specifications .....................................................................................3
Test Circuits .......................................................................................5
Absolute Maximum Ratings ............................................................6
ESD Caution ..................................................................................6
Pin Configuration and Function Descriptions .............................7
Typical Performance Characteristics..............................................9
Theory of Operation.......................................................................10
Start-Up Sequence ......................................................................10
Phase Detection Sequence .........................................................10
Master Clock Frequency ............................................................11
Output Voltage Differential Sensing ........................................11
Output Current Sensing .............................................................11
Active Impedance Control Mode .............................................11
Current Control Mode and Thermal Balance.........................11
Voltage Control Mode ................................................................12
Current Reference .......................................................................12
Enhanced PWM Mode...............................................................12
Delay Timer .................................................................................12
Soft Start .......................................................................................12
Current-Limit, Short-Circuit, and Latch-Off Protection ......13
Power-Good Monitoring ...........................................................13
Output Crowbar..........................................................................14
Output Enable and UVLO.........................................................14
Thermal Monitoring...................................................................14
Application Information ................................................................19
Setting the Clock Frequency .....................................................19
Soft Start Delay Time .................................................................19
Current-Limit Latch-Off Delay Times.....................................19
Inductor Selection.......................................................................19
Current Sense Amplifier ............................................................20
Inductor DCR Temperature Correction..................................21
Output Offset...............................................................................22
C OUT Selection..............................................................................22
Power MOSFETs .........................................................................24
Ramp Resistor Selection ............................................................25
COMP Pin Ramp ........................................................................25
Current-Limit Setpoint ..............................................................25
Feedback Loop Compensation Design ....................................25
C IN Selection and Input Current di/dt Reduction ..................27
Thermal Monitor Design...........................................................27
Shunt Resistor Design ................................................................28
Tuning the ADP3198..................................................................28
Layout and Component Placement..........................................29
Outline Dimensions........................................................................31
Ordering Guide ...........................................................................31
Dynamic VID ..............................................................................13
REVISION HISTORY
01/08 - Rev 2: Conversion to ON Semiconductor
8/06—Rev. 0 to Rev. A.
6/06—Revision 0: Initial Version
Rev. 2 | Page 2 of 31 | www.onsemi.com
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| ADP3199AJCPZ-RL | 功能描述:DC/DC 开关控制器 LSER SPEC VS ADP3193 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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