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ASM1816R-5F 参数 Datasheet PDF下载

ASM1816R-5F图片预览
型号: ASM1816R-5F
PDF下载: 下载PDF文件 查看货源
内容描述: 低功率3.3V / 3.0V μP复位,低电平有效,漏极开路输出 [Low Power 3.3V/3.0V μP Reset, Active LOW, Open-Drain Output]
分类和应用: 电源电路电源管理电路光电二极管
文件页数/大小: 9 页 / 231 K
品牌: PULSECORE [ PulseCore Semiconductor ]
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November 2006
rev 1.6
ASM1816
Low Power 3.3V/3.0V µP Reset, Active LOW, Open-Drain Output
General Description
The ASM1816 is a voltage supervisory device with low-power,
3.3V/3V µP Reset, active LOW, open-drain output. Maximum
supply current over temperature is a low 15µA (at 3.6V).
The ASM1816 generates an active LOW reset signal whenever
the monitored supply is out of tolerance. A precision reference
and comparator circuit monitor power supply (V
CC
)
level.
Tolerance level options are 5%, 10%, 15% and 20%. When an
out-of-tolerance condition is detected, an internal power-fail
signal is generated which forces an active LOW reset signal.
After V
CC
returns to an in-tolerance condition, the reset signal
remains active for 150ms to allow the power supply and system
microprocessor to stabilize.
V
CC
Applications
Set-top boxes
Cellular phones
PDAs
Energy management systems
Embedded control systems
Printers
Single board computers
Typical Application
ASM1816
The ASM1816 is designed with a open-drain output stage and
operates over the extended industrial temperature range.
Devices are available in TO-92 and compact surface mount
SOT-23 packages.
Other low power products in this family include the ASM1810/
11/12/15/17, ASM1233D and ASM1233M.
RESET
Microprocessor
RESET
GND
Key Features
Low Supply Current
•20 µA maximum (5.5 V)
•15µA maximum (3.6 V)
Automatically restarts a microprocessor after power failure
150ms reset delay after V
CC
returns to an in-tolerance con-
dition
Active LOW power-up reset
Precision temperature-compensated voltage reference and
comparator
Eliminates external components
TO-92 and compact surface mount SOT-23 package
Operating temperature -40°C to +85°C
Block Diagram
V
CC
2
Supply
Tolerance
Bias
ASM1816
5.0K
1
RESET
+
-
Reference
Delay
150ms
Typical
3
GND
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200 Campbell,
Alliance Semiconductor
CA 95008
Tel: 408-879-9077
Fax: 408-879-9018
2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com
www.pulsecoresemi.com
Notice: The information in this document is subject to change without notice