ON NCV4269 5.0V Micropower Linear Regulator with Adjustable RESET and Sense Output
Summary
This precision micropower voltage regulator provides a reliable 5.0V output at up to 150mA, ideal for powering microprocessor control logic in demanding applications, including automotive environments. Key features include an active reset circuit with adjustable delay and sense monitoring, ensuring system integrity during power-up or failure. The manual offers comprehensive details on its electrical parameters, detailed pin connections, performance validation across extreme temperatures (-40°C to 150°C), and robust built-in fault protections.
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NCV4269
5.0 V Micropower 150 m A LDO Linear Regulator with DELAY, Adjustable RESET, and Sense Output
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The NCV4269 is a 5.0 V precision micropower voltage regulator with an output current capability of 150 m A.
MARKING
The output voltage is accurate within ±2.0% with a maximum
DIAGRAMS
dropout voltage of 0.5 V at 100 m A. Low quiescent current is a feature drawing only 240 A with a 1.0 m A load. This part is ideal for any and
all battery operated microprocessor equipment.
D SUFFIX ALYW
Microprocessor control logic includes an active reset output RO
CASE 751
with delay and a SI/SO monitor which can be used to provide an early warning signal to the microprocessor of a potential impending reset signal. The use of the SI/SO monitor allows the microprocessor to
finish any signal processing before the reset shuts the microprocessor SO−8
EXPOSED PAD
down.
D SUFFIX
The active Reset circuit operates correctly at an output voltage as
CASE 751AC
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 an
SO−14
NCV4269
external resistor divider to the RADJ lead. The regulator is protected D SUFFIX
AWLYWWG
against reverse battery, short circuit, and thermal overload conditions. CASE 751A
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 NCV4269 AWLYYWWG
Low 240 A Quiescent Current
SO−20L Active Reset Output Low Down to VQ = 1.0 V DW SUFFIX CASE 751D
Adjustable Reset Threshold 150 m A Output Current Capability
= Assembly Location
Fault Protection
WL, L = Wafer Lot +60 V Peak Transient Voltage YY, Y = Year −40 V Reverse Voltage WW, W = Work Week G, = Pb Free
Short Circuit Thermal Overload Early Warning through SI/SO Leads ORDERING INFORMATION
Internally Fused Leads in SO−14 and SO−20L Packages See detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet.
Integrated Pullup Resistor at Logic Outputs (To Use External Resistors, Select the NCV4279) Very Low Dropout Voltage Electrical Parameters Guaranteed Over Entire Temperature Range NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes Pb−Free Packages are Available
Semiconductor Components Industries, LLC, 2007 Publication Order Number: February, 2007 − Rev. 10 NCV4269/D
Page Summary Contents For ON NCV4269 5.0V Micropower Linear Regulator with Adjustable RESET and Sense Output
Manual Details
| Brand | Linear |
|---|---|
| Pages | 16 |
| File Size | 141.38 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the function of the SI/SO monitor pins?
The SI/SO monitor provides an early warning signal to the microprocessor before a potential reset occurs.
Does this regulator offer anti-fault protection?
Yes, it includes protection against reverse battery, short circuit, and thermal overload conditions.
What is the minimum output voltage for active reset function?
The active Reset circuit operates correctly at an output voltage as low as 1.0 V.
How can I adjust the reset threshold voltage?
You can decrease the reset threshold voltage by connecting an external resistor divider to the ADJ lead.