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| 型号： | ADM6339PARJZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC MCU SUP 5/3.3/ADJ/-5 SOT23-6 |
| 标准包装： | 1 |
| 类型： | 多压监控器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 3.08V，4.63V，可调，-4.63V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 标准包装 |
| 其它名称： | ADM6339PARJZ-RL7DKR |
Quad Voltage Microprocessor
Supervisory Circuit
ADM6339
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Accurate monitoring of up to four power supply voltages
6 factory-set threshold options: ?5.0 V, +1.8 V, +2.5 V, +3.0 V,
+3.3 V, and +5.0 V
IN 1
IN 1
5V PULLUP
IN 2
Adjustable input threshold options: ?0.5 V (±2.0% accuracy),
+0.62 V (±0.8% accuracy), and +1.23 V
200 ms typical reset timeout
IN 2
IN 3
200ms
TIMEOUT
RESET
Open-drain RESET output (10 μA internal pull-up)
Reset output stage: active low, valid to IN 1 = 1 V or IN 2 = 1 V
Low power consumption (55 μA)
Glitch immunity
IN 4
Specified from ?40°C to +85°C
V REF
ADM6339
6-lead SOT-23 package
Figure 1.
APPLICATIONS
Telecommunications
Microprocessor systems
Data storage equipment
Servers/workstations
GENERAL DESCRIPTION
The ADM6339 is a high accuracy supervisory circuit capable of
monitoring up to four system supply voltages.
The ADM6339 incorporates a variety of internally pretrimmed
undervoltage threshold options for monitoring ?5.0 V, +1.8 V,
+2.5 V, +3.0 V, +3.3 V, and +5.0 V supply voltages. Tolerance levels
of ±5% and ±10% are available. The device is also available
with one to three adjustable threshold options. The adjustable
voltage threshold options are +1.23 V, +0.62 V, and ?0.5 V. See
the Ordering Guide section for a list and description of all
available options.
If a monitored power supply voltage decreases below the mini-
mum voltage threshold (or rises above the maximum voltage
threshold for the ?0.5 V and ?5.0 V input options), a single
Rev. A
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 owners.
active low output asserts, triggering a system reset. The output
is open drain with a weak internal pull-up to the monitored IN 2
supply of typically 10 μA. After all voltages exceed the selected
threshold level, the reset signal remains low for the reset
timeout period (200 ms typical).
The ADM6339 output remains valid as long as IN 1 or IN 2 exceeds
1 V. Unused monitored inputs should not be allowed to float or
to be grounded; instead, they should be connected to a supply
voltage greater than their specified threshold voltages.
The ADM6339 is available in a 6-lead SOT-23 package. The
device operates over the extended temperature range of ?40°C
to +85°C.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ?2009–2010 Analog Devices, Inc. All rights reserved.
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