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NCV890104

ON Semiconductor
Part Number NCV890104
Manufacturer ON Semiconductor
Published Aug 16, 2015
Description Automotive Buck Switching Regulator
Detailed Description DATA SHEET www.onsemi.com Buck Switching Regulator Automotive, Programmable Spread Spectrum, Adjustable RSTB 1 DFN12 C...
Datasheet PDF File NCV890104 PDF File

NCV890104
NCV890104


Overview
DATA SHEET www.
onsemi.
com Buck Switching Regulator Automotive, Programmable Spread Spectrum, Adjustable RSTB 1 DFN12 CASE 506CE 1.
2 A, 2 MHz MARKING DIAGRAM NCV890104 The NCV890104 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 NCV890104 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.
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.
The NCV890104 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.
V8901 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 in the package dimensions section 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 • 1.
4 A (min) Cycle−by−Cycle Peak Current Limit • Short Circuit Protection enhanced by Frequency Foldback • ±1.
75% Output Voltage Tolerance • Output Vo...


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