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NCV4279

更新时间： 2024-11-22 22:37:03
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器监视器
页数 文件大小 规格书
12页 106K
描述
5.0 V Micropower 150 mA LDO Linear Regulator with DELAY, Adjustable RESET, and Monitor FLAG

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NCV4279 数据手册

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NCV4279B  
5.0 V Micropower 150 mA  
LDO Linear Regulator with  
DELAY, Adjustable RESET,  
and Monitor FLAG  
http://onsemi.com  
MARKING DIAGRAMS  
The NCV4279B is a 5.0 V precision micropower voltage regulator.  
The output current capability is 150 mA.  
The output voltage is accurate within ±2.0% with a maximum  
dropout voltage of 0.6 V at 150 mA. Low quiescent current is a feature  
drawing only 90 mA with a 100 mA load. This part is ideal for any and  
all battery operated microprocessor equipment.  
8
SO−8  
4279B  
ALYW  
D SUFFIX  
CASE 751  
8
1
Microprocessor control logic includes an active RESET (with  
DELAY), and a FLAG monitor which can be used to provide an early  
warning signal to the microprocessor of a potential impending RESET  
signal. The use of the FLAG monitor allows the microprocessor to  
finish any signal processing before the RESET shuts the  
microprocessor down.  
1
14  
SO−14  
D SUFFIX  
CASE 751A  
NCV4279B  
AWLYWW  
14  
1
1
20  
The active RESET circuit operates correctly at an output voltage as  
low as 1.0 V. The RESET function is activated during the power up  
sequence or during normal operation if the output voltage drops  
outside the regulation limits.  
NCV4279B  
AWLYYWW  
20  
SO−20L  
DW SUFFIX  
CASE 751D  
1
The reset threshold voltage can be decreased by the connection of  
1
external resistor divider to R  
lead.  
ADJ  
A
= Assembly Location  
WL, L = Wafer Lot  
YY, Y = Year  
The regulator is protected against reverse battery, short circuit, and  
thermal overload conditions. The device can withstand load dump  
transients making it suitable for use in automotive environments. The  
device has also been optimized for EMC conditions.  
WW, W = Work Week  
PIN CONNECTIONS  
1
8
SO−8  
V
IN  
V
OUT  
Features  
• 5.0 V ± 2.0% Output  
• Low 90 mA Quiescent Current  
• Active RESET  
• Adjustable Reset  
• 150 mA Output Current Capability  
• Fault Protection  
MON  
FLAG  
RESET  
GND  
R
ADJ  
DELAY  
1
14  
SO−14  
R
MON  
ADJ  
DELAY  
GND  
GND  
V
IN  
GND  
GND  
GND  
GND  
− +60 V Peak Transient Voltage  
− −15 V Reverse Voltage  
NC  
V
OUT  
RESET  
FLAG  
− Short Circuit  
− Thermal Overload  
• Early Warning through FLAG/MON Leads  
• Internally Fused Leads in SO−14 and SO−20L Packages  
1
20  
SO−20L  
R
MON  
ADJ  
DELAY  
NC  
GND  
GND  
GND  
GND  
V
IN  
NC  
GND  
GND  
GND  
GND  
NC  
• NCV Prefix for Automotive and Other Applications Requiring Site  
and Control Changes  
NC  
NC  
V
OUT  
RESET  
FLAG  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 10 of this data sheet.  
Semiconductor Components Industries, LLC, 2003  
1
Publication Order Number:  
August, 2003 − Rev. 1  
NCV4279B/D  
1234567...12

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