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NCV890131

ON Semiconductor
Part Number NCV890131
Manufacturer ON Semiconductor
Description Automotive Buck Switching Regulator
Published Aug 16, 2015
Detailed Description NCV890131 Buck Switching Regulator Automotive 1.2 A, 2 MHz The NCV890131 is a fixed−frequency, monolithic, Buck switc...
Datasheet PDF File NCV890131 PDF File

NCV890131
NCV890131


Overview
NCV890131 Buck Switching Regulator Automotive 1.
2 A, 2 MHz The NCV890131 is a fixed−frequency, monolithic, Buck switching regulator intended for Automotive, battery−connected applications that must operate with up to a 36 V input supply.
The regulator is www.
onsemi.
com suitable for systems with low noise and small form factor requirements often encountered in automotive driver information MARKING DIAGRAM systems.
The NCV890131 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 constant switching frequency above the sensitive AM band, eliminating the need for costly filters and EMI countermeasures.
Two pins are provided to synchronize switching to a clock, or to another NCV890131.
The NCV890131 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 inductor values and an all−ceramic output filter capacitor − forming a space−efficient switching regulator solution.
DFN10 CASE 485C V8901 31 ALYWG G A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Device (Note: Microdot may be in either location) Features • Internal N−Channel Power Switch • Low VIN Operation Down to 4.
5 V • High VIN Operation to 36 V • Withstands Load Dump to 45 V ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 18 of this data sheet.
• 2 MHz Free−running Switching Frequency • Low Shutdown Current • Auto−synchronizes with Other NCV890131 or to an • Wettable Flanks − DFN External Clock • Logic level Enable Input Can be Directly Tied to • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Battery Requirements; AEC−Q100 Qualified and PPAP • 1.
4 A (min) Cycle−by−Cycle Peak Current Limit • Short C...


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