参数资料
型号: ADM1185ARMZ
厂商: ANALOG DEVICES INC
元件分类: 电源管理
英文描述: Quad Voltage Monitor and Sequencer
中文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封装: LEAD FREE, MSOP-10
文件页数: 8/12页
文件大小: 226K
代理商: ADM1185ARMZ
ADM1185
Preliminary Technical Data
Rev. PrK | Page 8 of 12
OUT1
OUT2
OUT3
2.5V OUT
1.8V OUT
1.2V OUT
PWRGD
VIN4
VIN2
VIN3
POWER
GOOD
EN
Regulator1
3.3V IN
EN
OUT
IN
2.5V OUT
EN
OUT
IN
1.8V OUT
OUT
IN
GND
1.2V OUT
Regulator2
Regulator3
VCC
VIN1
ADM1185
Figure 5. Applications Diagram showing ADM1185 in a voltage monitoring and sequencing application
State1
IN1=FAULT
IN1=OK
(Delay=100ms min)
IN1=FAULT
IN1=FAULT
IN1=FAULT
Start
State2
State3
State4
State5
OUT1
On
IN2=OK
IN3=OK
IN4=OK
(Delay=100ms min)
OUT1,2
On
OUT1,2,3
On
PWRGD
IN2.IN3.IN3=FAULT
Figure 6. Flow Diagram highlighting the different modes of operation o the logical core
State
1
2
3
4
5
State Name
Reset*
Out1 On
Out1,2 On
Out1,2,3 On
PowerGood
OUT1 OUT2 OUT3
0
0
1
0
1
1
1
1
1
1
OUT4
0
0
0
0
1
Next Event
IN1 High for 190ms
IN1 and IN2 High for 30us
IN1 and IN3 High for 30us
All High for 190ms
IN2 or IN3 or IN4 Low for
30us
IN1 Low for 30 us
Next State
Out1 On
Out1,2 On
Out1,2,3 On
PowerGood
Out1,2,3 On
0
0
0
1
1
Start
Table 4. Truth table
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