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ADM1086AKS-R7 PDF预览

ADM1086AKS-R7

更新时间： 2024-01-03 16:10:16
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管
页数 文件大小 规格书
15页 302K
描述
IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6, MO-203AB, PLASTIC, SC70-6, Power Management Circuit

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中文翻译

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ADM1086AKS-R7 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：MO-203AB, PLASTIC, SC70-6针数：6
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.18
Is Samacsys：N可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G6
JESD-609代码：e0长度：2 mm
信道数量：1功能数量：1
端子数量：6最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP6,.08
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：220电源：2.5/3.3 V
认证状态：Not Qualified座面最大高度：1.1 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.02 mA
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：2.25 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：1.25 mm
Base Number Matches：1

ADM1086AKS-R7 数据手册

 浏览型号ADM1086AKS-R7的Datasheet PDF文件第9页浏览型号ADM1086AKS-R7的Datasheet PDF文件第10页浏览型号ADM1086AKS-R7的Datasheet PDF文件第11页浏览型号ADM1086AKS-R7的Datasheet PDF文件第12页浏览型号ADM1086AKS-R7的Datasheet PDF文件第14页浏览型号ADM1086AKS-R7的Datasheet PDF文件第15页 
Preliminary Technical Data  
ADM1085/ADM1086/ADM1087/ADM1088  
DUAL LOFO SEQUENCING  
SIMULTANEOUS ENABLING  
A power sequencing solution for a portable device, such as a  
PDA, is shown in Figure 29. The requirement is for the micro-  
processor’s power supply to turn on before the LCD displays,  
and for the display to power-down before the microprocessor.  
That is to say, the last power supply to turn on is the first one to  
turn off (LOFO).  
The enable output can drive multiple enable or shutdown  
regulator inputs simultaneously.  
12V  
3.3V  
IN  
IN  
SD  
OUT  
SD  
OUT  
ADP3333  
ADP3333  
3.3V  
2.5V  
3.3V  
SD  
An RC network connected between the battery and the  
input of the ADP3333 voltage regulator causes power-up and  
SD  
V
CC  
ENOUT  
power-down transients to appear at the  
input when the  
V
IN  
12V  
battery is connected and disconnected. Because capacitor C1  
charges up to 9 V on power-up and charges down from 9 V on  
ADM1085  
IN  
ENIN  
CEXT  
SD  
OUT  
ADP3333  
SD  
power-down, and because the  
pin has logic high and logic  
1.8V  
low input levels of 2 V and 0.4 V, this causes the 3.3 V micro-  
processor supply to turn on quickly on power-up and turn off  
slowly on power-down.  
ENABLE  
CONTROL  
Figure 28. Enabling a Pair of Regulators from a Single ADM1085  
For the display power sequencing, the ADM1085 is equipped  
with capacitor C2, which creates the delay between the micro-  
processor and display power turning on. When the system is  
powered down, the ADM1085 turns off the display power  
immediately, while the 3.3 V regulator waits for C1 to discharge  
to 0.4 V before switching off.  
POWER GOOD SIGNAL DELAYS  
For scenarios where sequencing is performed by asserting  
power good signals when the voltage regulators are already on,  
rather than sequencing the power supplies directly, a simple  
sequencer IC can provide variable delays so that enabling  
separate circuit blocks can be staggered in time.  
9V  
SYSTEM  
POWER SWITCH  
For example, in a notebook PC application, a dedicated  
microcomputer asserts a power good signal for North Bridge™  
and South Bridge™ ICs. The ADM1086 delays the south bridge’s  
signal so it is enabled after the north bridge.  
SD  
2.5V  
MICROPROCESSOR  
POWER  
ADP3333  
C1  
3.3V  
9V  
9V  
9V  
V
IN  
SD  
5V  
DISPLAY  
POWER  
ADP3333  
ENOUT  
ADM1085  
5V  
5V  
ENIN  
CEXT  
POWER_GOOD  
EN  
MICROCOMPUTER  
C2  
NORTH  
BRIDGE  
IC  
9V  
SYSTEM  
POWER  
3.3V  
5V  
0V  
9V  
V
V
C1  
ENOUT  
EN  
IN  
SOUTH  
BRIDGE  
IC  
0V  
ADM1088  
2.5V  
ENIN  
CEXT  
MICROPROCESSOR  
POWER  
0V  
5V  
DISPLAY  
POWER  
Figure 29. Power Good Delays  
0V  
Figure 27. Dual Last-On First-Off Power Supply Sequencing  
Rev. PrG | Page 13 of 15  
 
 
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