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參數(shù)資料
| 型號(hào)： | LM8365BCLMFX30/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | SOT23-5 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 645K |
| 代理商： | LM8365BCLMFX30/NOPB |
LM8365
Micropower Undervoltage Sensing Circuits with
Programmable Output Delay
General Description
The LM8365 series are micropower undervoltage sensing
circuits that are ideal for use in battery powered micropro-
cessor based systems, where extended battery life is a key
requirement.
A range of threshold voltages from 2.0V to 4.5V are available
with an active low, open drain or CMOS, output. These
devices feature a very low quiescent current of 0.65A typi-
cal. The LM8365 series features a highly accurate voltage
reference, a comparator with precise thresholds and built-in
hysterisis to prevent erratic reset operation, a time delayed
output which can be programmed by the system designer,
and guaranteed Reset operation down to 1.0V with ex-
tremely low standby current.
These devices are available in the space saving 5-Pin
SOT23 surface mount package. For additional undervoltage
thresholds and output options, please contact National
Semiconductor.
Features
n
Extremely Low Quiescent Current: 0.65A, at V
IN =
2.87V
n
High Accuracy Threshold Voltage (±2.5%)
n
Complementary or Open Drain Output
n
Programmable output delay by external Capacitor
(100ms typ with 0.1F)
n
Input Voltage Range: 1V to 6V
n
Surface Mount Package (5-Pin SOT23)
n
Pin for pin compatible with MC33465
Applications
n
Low Battery Detection
n
Microprocessor Reset Controller
n
Power Fail Indicator
n
Battery Backup Detection
Functional Diagrams
CMOS Output
Open Drain Output
20066013
20066014
Connection Diagram
5-Pin SOT23
20066012
Top View
March 2005
LM8365
Micropower
Undervoltage
Sensing
Circuits
with
Programmable
Output
Delay
2005 National Semiconductor Corporation
DS200660
www.national.com
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