NCV890100PDR2G Datasheet, PDF (1/16 Pages) ON Semiconductor – 1.2A, 2MHz Automotive Buck Switching Regulator

NCV890100
1.2A, 2MHz Automotive
Buck Switching Regulator
The NCV890100 is a fixed−frequency, monolithic, Buck switching
regulator intended for Automotive, battery−connected applications
that must operate with up to a 36V input supply. The regulator is
suitable for systems with low noise and small form factor
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requirements often encountered in automotive driver information
systems. The NCV890100 is capable of converting the typical 4.5 V to
18 V automotive input voltage range to outputs as low as 3.3 V at a
MARKING
DIAGRAMS
constant switching frequency above the sensitive AM band,
eliminating the need for costly filters and EMI countermeasures. The
NCV890100 also provides several protection features expected in
DFN8
CASE 506BY
V8901
00
ALYWG
Automotive power supply systems such as current limit, short circuit
1
G
protection, and thermal shutdown. In addition, the high switching
frequency produces low output voltage ripple even when using small
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inductor values and an all−ceramic output filter capacitor − forming a
space−efficient switching regulator solution.
Features
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1
SOIC−8 EP
CASE 751AC
NCV890100
ALYWX
G
• Internal N−Channel Power Switch
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• Low V_IN Operation Down to 4.5 V
• High V_IN Operation to 36 V
• Withstands Load Dump to 40 V
• 2 MHz Free−running Switching Frequency
• Logic level Enable Input Can be Directly Tied to Battery
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= Pb−Free Device
(*Note: Microdot may be in either location)
• 1.4 A (min) Cycle−by−Cycle Peak Current Limit
• Short Circuit Protection enhanced by Frequency Foldback
• ±1.75% Output Voltage Tolerance
• Output Voltage Adjustable Down to 0.8 V
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
• 1.4 Millisecond Internal Soft−Start
• Thermal Shutdown (TSD)
• These Devices are Pb−Free and are RoHS Compliant
• Low Shutdown Current
Applications
• Wettable Flanks DFN
• Audio
• NCV Prefix for Automotive and Other Applications
• Infotainment
Requiring Unique Site and Control Change
• Safety − Vision Systems
Requirements; AEC−Q100 Qualified and PPAP
Capable
• Instrumentation
© Semiconductor Components Industries, LLC, 2013
1
February, 2013 − Rev. 2
Publication Order Number:
NCV890100/D