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NCV4279B Datasheet(PDF) 1 Page - ON Semiconductor

Part No. NCV4279B
Description  5.0 V Micropower 150 mA LDO Linear Regulator with DELAY, Adjustable RESET, and Monitor FLAG
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCV4279B Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2003
August, 2003 − Rev. 1
1
Publication Order Number:
NCV4279B/D
NCV4279B
5.0 V Micropower 150 mA
LDO Linear Regulator with
DELAY, Adjustable RESET,
and Monitor FLAG
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.
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.
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.
The reset threshold voltage can be decreased by the connection of
external resistor divider to RADJ lead.
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.
Features
5.0 V ± 2.0% Output
Low 90 mA Quiescent Current
Active RESET
Adjustable Reset
150 mA Output Current Capability
Fault Protection
+60 V Peak Transient Voltage
−15 V Reverse Voltage
Short Circuit
Thermal Overload
Early Warning through FLAG/MON Leads
Internally Fused Leads in SO−14 and SO−20L Packages
NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
http://onsemi.com
SO−20L
DW SUFFIX
CASE 751D
1
20
SO−14
D SUFFIX
CASE 751A
1
14
PIN CONNECTIONS
FLAG
RESET
VOUT
NC
GND
GND
GND
GND
114
GND
GND
VIN
DELAY
MON
RADJ
MARKING DIAGRAMS
1
NCV4279B
AWLYWW
14
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
1
NCV4279B
AWLYYWW
20
1
20
NC
NC
GND
GND
GND
GND
GND
GND
GND
GND
NC
NC
VIN
DELAY
MON
RADJ
VOUT
NC
FLAG
RESET
SO−20L
SO−14
SO−8
D SUFFIX
CASE 751
1
8
1
4279B
ALYW
8
GND
DELAY
18
RESET
RADJ
FLAG
MON
VOUT
VIN
SO−8
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.


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