NCV51411: Buck Converter, Low Voltage, 1.5 A, 260 kHz, with Synchronization Capabilities

The NCV51411 is a 1.5A buck regulator IC operating at a fixed-frequency of 260 kHz. The device uses V2 control architecture to provide unmatched transient response, optimum overall regulation and simple loop compensation. The NCV51411 accommodates input voltages from 4.5V to 40V and includes an input for synchronization to an external oscillator. NCV51411 is certified for Automotive applications, and is also available in commercial grade as CS51411.

Features

V2 Architecture
2.0% Error Amp Reference Voltage Tolerance
Switch Frequency Decrease of 4:1 in Short Circuit Conditions
BOOST pin provides additional drive voltage to the onchip NPN powertransistor
Sync Function
Shutdown pin for sleep mode
Thermal Shutdown
Soft-Start
NCV Prefix for Automotive and Other Applications
Pin Compatible with LT1375 (SO-8 Version)
Pb-Free Packages are Available

Benefits

Provides Ultra-Fast Transient Response, Improved Regulation and Simplified Design
Accurate Output Voltage
Reduces Short Circuit Power Dissipation
Allows Bootstrapped Operations to Maximize Efficiency
Parallel Supply Operation or Noise Minimization
Provides Power-Down Option (<85 µA Quiescent Current)
Protects the IC During High Temperature Operation
Flexibility in System Design
Provides the Required Site and Control Changes Required for Automotive Customers

Applications

Automotive Power Supplies

End Products

In-car Infotainment

Data Sheets (1)

Document Title	Document ID/Size	Revision	Revision Date
Buck Converter, Low Voltage, 1.5 A, 260 kHz, with Synchronization Capabilities	NCV51411/D (229.0kB)	16

Simulation Models (3)

Document Title	Document ID/Size	Revision	Revision Date
IsSpice Reference Circuit for CS51411(DWG)	CS51411_ISSPICE_REFERENCE_CIRCUIT.DWG (25.0kB)	0
LIB Model for CS51411(IsSpice)	CS51411.LIB (4.0kB)	0
SYM Model for CS51411(IsSpice)	CS51411.SYM (3.0kB)	0

Package Drawings (4)

Document Title	Document ID/Size	Revision
5X6MM, .5MM PITCH	505 (33.7kB)	D
SOIC 16 LEAD WIDE BODY, EXPOSED PAD	751R-02 (40.0kB)	B
SOIC-16 Wide Body, Exposed Pad	751AG (37.6kB)	B
SOIC-8 Narrow Body	751-07 (62.6kB)	AK

Collateral Brochures (1)

Document Title	Document ID/Size	Revision	Revision Date
Automotive Products Selector Guide	SGD516/D (1382kB)	18A	Jul, 2016

Evaluation Board Documents (4)

Document Title	Document ID/Size	Revision
CS51411EVB Bill of Materials RoHS	CS51411EVB_BOM_ROHS.PDF (54.0kB)	0
CS51411EVB Evaluation Board Manual	CS51411EVB_MANUAL.REV1.PDF (67.0kB)	1
CS51411EVB Schematic	CS51411EVB_SCHEMATIC.PDF (23.0kB)	0
CS51411EVB Test Procedure	CS51411EVB_TEST_PROCEDURE.PDF (189.0kB)	0

Order Information

Product	Status	Compliance	Package		MSL*	Container		Budgetary Price/Unit
NCV51411DR2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	SOIC-8	751-07	1	Tape and Reel	2500	$1.3866
NCV51411MNR2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	DFN-18	505	1	Tape and Reel	2500	$1.4666
NCV51411PWR2G	Active	AEC Qualified PPAP Capable Pb-free Halide free	SOIC-16W	751R-02	1	Tape and Reel	1000	$1.3866
NCV51411DR2	Obsolete	AEC Qualified PPAP Capable	SOIC-8	751-07	1	Tape and Reel	2500
NCV51411PWR2	Obsolete	AEC Qualified PPAP Capable	SOIC-16W EP	751AG	1	Tape and Reel	1000