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ADM1202-2AUJ

更新时间： 2024-01-30 14:46:19
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
6页 297K
描述
IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, MO-193BA, TSOT-8, Power Management Circuit

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ADM1202-2AUJ 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-193BA, TSOT-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.92
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：2.9 mm信道数量：1
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：VSSOP
封装等效代码：TSSOP8,.1封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：240
电源：2.7/16.5 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Power Management Circuits
最大供电电流 (Isup)：1 mA最大供电电压 (Vsup)：16.5 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：TIN LEAD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：1.6 mm
Base Number Matches：1

ADM1202-2AUJ 数据手册

 浏览型号ADM1202-2AUJ的Datasheet PDF文件第2页浏览型号ADM1202-2AUJ的Datasheet PDF文件第3页浏览型号ADM1202-2AUJ的Datasheet PDF文件第4页浏览型号ADM1202-2AUJ的Datasheet PDF文件第5页浏览型号ADM1202-2AUJ的Datasheet PDF文件第6页 
TM  
Simple Tracker  
with Power-Good Comparator  
Preliminary Technical Data  
ADM1202  
FEATURES  
Enables Power Supply Tracking of multiple supplies  
Up/Down Tracking limits Supply Differences to ~100mV  
Capacitor Adjustable Slew Rate  
On Board Charge Pump Fully enhances FET  
Ability to Track Down Supplies (ADM1202-1)  
Emergency Shutdown Feature (ADM1202-2)  
In-Built Power Good Detector Circuitry  
Functional Block Diagram  
Q
1
V
V
IN  
OUT  
2.7V - 16V  
V
CC  
V
CHARGE  
PUMP  
FET  
Packaged in tiny 8-Lead TSOT Package  
APPLICATIONS  
(ADM1202-1)  
(ADM1202-2)  
UP/DOWN  
UP/STOP  
GATE  
FET  
DRIVER  
UP  
DETECTOR  
/ DOWN  
LOGIC  
Multi-Voltage Supply Rail Tracker  
Telecoms and Datacom s Systems  
Multi voltage Network Processors , FPGAs, ASICs, DSPs  
PC/Server Applications  
1nF  
C
SLEW  
SLEW RATE  
CONTROL  
V
OUTFB  
R
1
PFI  
GENERAL DESCRIPTION  
POWER FAIL  
DETECTOR  
C
SLEW  
ADM1202  
The ADM1202 is a cascadable Simple Tracker TM device which  
ensures that voltage rails track within ~100mV of each other in  
multi supply systems. Any number of these devices can be  
cascaded to form a multi supply tracking solution.  
R
2
GND  
PFO  
Applications Diagram  
The ADM1202 requires 2.7V to 16.5V on its Vcc pin to operate.  
An on-board charge pump generates a high voltage GATE drive  
to fully enhance FETs in the power path.  
Q
1
5VIN  
5VOUT  
VCC  
The Slew Rate of the ramp is adjustable via an external capacitor  
on the CSLEW pin and can be programmed from 100V/s to  
1000V/s. When multiple devices are cascaded the CSLEW pin of  
ADM1202-1  
PFO  
GATE  
5V POWER GOOD  
V
cc  
1nF  
POWER ON/OFF  
UP/DOWN  
R
1
V
OUT  
PFI  
each subsequent device should be tied to the output rail(VOUTFB  
)
C
SLEW  
of the previous device to ensure that supply will track up and  
down with the previous supply.  
R
GND  
2
C
SLEW  
Q2  
3.3VIN  
3.3VOUT  
The ADM1202 is offered in two variants. The ADM1202-1  
features an UP/DOWNb pin and the ADM1202-2 features an  
Up/STOPb pin. For both devices a high level on the this input  
will initiate tracking power up sequence. A low on the  
UP/DOWNb pin of the ADM1202-1 will initiate a tracking  
down of the supply rails, while a low on the UP/STOPb pin of  
the ADM1202-2 will initiate an emergency fast shutdown of all  
supply rails simultaneously.  
VCC  
ADM1202-1  
PFO  
3.3V POWER GOOD  
V
cc  
GATE  
1nF  
UP/DOWN  
R
R
V
3
OUT  
PFI  
C
SLEW  
GND  
4
Q3  
2.8VIN  
2.8VOUT  
VCC  
Power Fail Detector circuitry is also present. A resistor divider  
on the PFI input will dictate what level the ADM1202 registers a  
power fail on that supply. When a power fail is detected the  
Power Fail Output (PFO) will assert.  
ADM1202-1  
PFO  
GATE  
2.8V POWER GOOD  
V
cc  
1nF  
UP/DOWN  
R
5
V
OUT  
PFI  
C
SLEW  
GND  
R
6
The ADM1202 is packaged in a tiny 8-pin TSOT package.  
Rev. PrF  
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 companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
Analog Devices, Inc. All rights reserved.  
2005  
123456

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