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NCV890103 Datasheet دیتاشیت PDF دانلود

دیتاشیت - ON Semiconductor - 2MHz Automotive Buck Switching Regulator

شماره قطعه NCV890103
شرح مفصل 2MHz Automotive Buck Switching Regulator
تولید کننده ON Semiconductor 
آرم ON Semiconductor 


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NCV890103 شرح
NCV890103
1.2 A, 2 MHz Automotive
Buck Switching Regulator
with RSTB
The NCV890103 is a fixed−frequency, monolithic, Buck switching
regulator intended for Automotive, battery−connected applications
www.onsemi.com
that must operate with up to a 36 V input supply. The regulator is
suitable for systems with low noise and small form factor
MARKING DIAGRAM
requirements often encountered in automotive driver information
systems. The NCV890103 is capable of converting the typical 4.5 V to
V8901
18 V automotive input voltage range to outputs as low as 3.3 V at
a constant switching frequency above the sensitive AM band,
eliminating the need for costly filters and EMI countermeasures.
DFN10
CASE 485C
03
ALYWG
G
A Reset pin signals when the output is in regulation, and a pin is
provided to adjust the delay before the RSTB signal goes high.
A = Assembly Location
L = Wafer Lot
The NCV890103 also provides several protection features expected in
Automotive power supply systems such as current limit, short circuit
protection, and thermal shutdown. In addition, the high switching
frequency produces low output voltage ripple even when using small
Y = Year
W = Work Week
G = Pb−Free Device
(Note: Microdot may be in either location)
inductor values and an all−ceramic output filter capacitor − forming
a space−efficient switching regulator solution.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
Features
dimensions section on page 18 of this data sheet.
Internal N−Channel Power Switch
Low VIN Operation Down to 4.5 V
High VIN Operation to 36 V
Withstands Load Dump to 40 V
2 MHz Free−running Switching Frequency
Low Shutdown Current
Logic level Enable Input Can be Directly Tied to
Wettable Flanks DFN (pin edge plating)
Battery
Reset with Adjustable Delay
NCV Prefix for Automotive and Other Applications
Requiring Unique Site and Control Change
1.4 A (min) Cycle−by−Cycle Peak Current Limit
Short Circuit Protection enhanced by Frequency
Requirements; AEC−Q100 Qualified and PPAP Capable
These Devices are Pb−Free and are RoHS Compliant
Foldback
Applications
±1.75% Output Voltage Tolerance
Audio
Output Voltage Adjustable Down to 0.8 V
Infotainment
1.4 Millisecond Internal Soft−Start
Safety − Vision Systems
Thermal Shutdown (TSD)
Instrumentation
© Semiconductor Components Industries, LLC, 2014
November, 2014 − Rev. 0
1
Publication Order Number:
NCV890103/D

قانون اساسیصفحه 19
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