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参数资料
| 型号： | ADM1184ARMZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC VOLT MONITOR/SEQ 4CH 10MSOP |
| 产品培训模块： | Voltage Supervisor 101 |
| 标准包装： | 1,000 |
| 类型： | 序列发生器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 高有效 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
ADM1184
VOLTAGE MONITORING AND SEQUENCING APPLICATION
3.3V IN
2.5V OUT
1.8V OUT
1.2V OUT
VCC
ADM1184
VIN1 OUT1
IN
REGULATOR 1
EN OUT
2.5V OUT
VIN2
OUT2
GND
IN
VIN3
VIN4
GND
OUT3
PWRGD
POWER
GOOD
REGULATOR 2
EN OUT
GND
IN
REGULATOR 3
EN OUT
GND
1.8V OUT
1.2V OUT
Figure 20. Voltage-Monitoring and Sequencing Application Diagram
four separate voltage rails, turns on three regulators in a sequence,
and generates a power-good signal to turn on a controller when
all power supplies are up and stable.
The main supply, in this case 3.3 V, powers up the device via the
VCC pin. The VIN1 pin monitors the main 3.3 V supply. In this
example application, OUT1 is connected to the enable pin of a
regulator. Before the voltage on VIN1 reaches 0.6 V, this output is
The 2.5 V output of this regulator begins to rise and is detected
by input Pin VIN2. When VIN2 detects the 2.5 V rail rising
above its voltage threshold point, it asserts OUT2, which turns
on Regulator 2. The same scheme is implemented with the other
input and output pins. Every rail that is turned on via an output
pin, OUTx, is monitored via an input pin, VIN(x + 1).
When all four monitored supplies are above their programmed
threshold levels PWRGD asserts after a 190 ms (typical) delay.
switched to ground, disabling Regulator 1.
When the main system voltage reaches 2.9 V, VIN1 detects 0.6 V.
This causes OUT1 to assert, which drives the enable pin of
Regulator 1 high, thus turning on its output.
Rev. 0 | Page 11 of 12
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相关代理商/技术参数 |
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| ADM1184ARMZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:0.8% Accurate Quad Voltage Monitor |
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