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NCV890204

ON Semiconductor
Part Number NCV890204
Manufacturer ON Semiconductor
Published Aug 16, 2015
Description Automotive Buck Switching Regulator
Detailed Description DATA SHEET www.onsemi.com Buck Switching Regulator Automotive, P
Datasheet PDF File NCV890204 PDF File

NCV890204
NCV890204


Overview
DATA SHEET www.
onsemi.
com Buck Switching Regulator Automotive, Programmable, Spread Spectrum, Adjustable RSTB 1 DFN12 CASE 506CE NCV890204 MARKING DIAGRAM 2.
0 A, 2 MHz The NCV890204 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 suitable for systems with low noise and small form factor requirements often encountered in automotive driver information systems.
The NCV890204 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.
The NCV890204 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.
V8902 04G ALYWG G A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Device (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information on page 18 of this data sheet.
Features • 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 • Adjustable Spread Spectrum • Reset with Adjustable Delay • Logic level Enable Input Can be Directly Tied to Battery • 2.
2 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 • 1.
4 Millisecond Internal Soft−Start • Thermal Shutdown (TSD) • Low Shutdown Current • Wettable Flanks DFN (pin edge plating) • NC...


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