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| 型号： | ADM1041A |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Secondary-Side Controller with Current Share and Housekeeping |
| 中文描述： | 二次侧电流控制器共享和管家 |
| 文件页数： | 2/56页 |
| 文件大小： | 991K |
| 代理商： | ADM1041A |
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ADM1041A
TABLE OF CONTENTS
General Description.........................................................................3
Rev. 0 | Page 2 of 56
Sample Application Circuit Description...................................3
Specifications.....................................................................................6
Absolute Maximum Ratings..........................................................13
Thermal Characteristics............................................................13
ESD Caution................................................................................13
Pin Configuration and Function Descriptions...........................14
Terminology................................................................................16
Theory of Operation......................................................................18
Power Management....................................................................18
Gain Trimming and Configuration.........................................18
Differential Remote Sense Amplifier.......................................19
Set Load Voltage.........................................................................19
Load Overvoltage (OV).............................................................19
Local Voltage Sense....................................................................19
Local Overvoltage Protection (OVP) ......................................19
Local Undervoltage Protection (UVP)....................................19
False UV Clamp..........................................................................19
Voltage Error Amplifier.............................................................20
Main Voltage Reference.............................................................20
Current-Sense Amplifier...........................................................20
Current Sensing..........................................................................21
Current-Transformer Input ......................................................21
Current-Sense Calibration........................................................21
Current-Limit Error Amplifier.................................................21
Overcurrent Protection .............................................................22
Current Share..............................................................................22
Current-Share Offset..................................................................22
I
SHARE
Drive Amplifier................................................................22
Differential Sense Amplifier .....................................................22
REVISION HISTORY
I
SHARE
Error Amplifier................................................................. 22
I
SHARE
Clamp ................................................................................ 22
SHARE_OK Detector................................................................ 23
Pulse/AC
SENSE
2............................................................................. 24
Pulse............................................................................................. 24
AC
SENSE
.......................................................................................... 24
OrFET Gate Drive...................................................................... 25
Oscillator and Timing Generators............................................... 27
Logic I/O and Monitor Pins...................................................... 27
SMBus Serial Port....................................................................... 30
Microprocessor Support............................................................30
Broadcasting................................................................................ 30
SMBus Serial Interface............................................................... 30
General SMBus Timing............................................................. 31
SMBus Protocols for RAM and EEPROM.............................. 33
SMBus Read Operations ........................................................... 35
SMBus Alert Response Address (ARA).................................. 36
Support for SMBus 1.1............................................................... 36
Layout Considerations............................................................... 36
Power-Up Auto-Configuration................................................ 36
Extended SMBus Addressing.................................................... 37
Backdoor Access......................................................................... 37
Register Listing............................................................................... 38
Detailed Register Descriptions..................................................... 39
Manufacturing Data...................................................................48
Microprocessor Support................................................................ 49
Test Name Table.............................................................................. 51
Outline Dimensions....................................................................... 53
Ordering Guide .......................................................................... 53
7/05—Revision 0: Initial Version
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| ADM1041AARQZ | 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ADM1041AARQZ-REEL | 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ADM1041AARQZ-REEL7 | 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ADM1041A-EVALZ | 功能描述:BOARD EVAL FOR ADM1041A RoHS:是 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
| ADM1041ARQ | 功能描述:IC PWR SUPP MON/LOAD SHAR 24QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
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