NCV51411 ,Buck Converter, Low Voltage, 1.5 A, 260 kHz, with Synchronization CapabilitiesELECTRICAL CHARACTERISTICS (ï 40°C < T < 125°C, 4.5 V< V < 40 V; unless otherwise specified.)J IN ..
NCV51411 ,Buck Converter, Low Voltage, 1.5 A, 260 kHz, with Synchronization CapabilitiesFeatures2 V Architecture Provides Ultraï Fast Transient Response, ImprovedSOï 16W EPNCV5141116Regu ..
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NCV51411
Buck Converter, Low Voltage, 1.5 A, 260 kHz, with Synchronization Capabilities
NCV51411
1.5 A, 260 kHz, Low Voltage
Buck Regulator with
Synchronization Capability
The NCV51411 is a 1.5 A buck regulator IC operating at a
fixedïfrequency of 260 kHz. The device uses the V2 control
architecture to provide unmatched transient response, the best overall
regulation and the simplest loop compensation for todays highïspeed
logic. The NCV51411 accommodates input voltages from 4.5 V to
40 V and contains synchronization circuitry.
The onïchip NPN transistor is capable of providing a minimum of
1.5 A of output current, and is biased by an external boost capacitor
to ensure saturation, thus minimizing onïchip power dissipation.
Protection circuitry includes thermal shutdown, cycleïbyïcycle
current limiting and frequency foldback. The NCV51411 is
functionally pinïcompatible with the LT1375.
FeaturesV2 Architecture Provides UltraïFast Transient Response, Improved
Regulation and Simplified Design 2.0% Error Amp Reference Voltage Tolerance Switch Frequency Decrease of 4:1 in Short Circuit Conditions
Reduces Short Circuit Power Dissipation BOOST Lead Allows Bootstrapped Operation to Maximize
Efficiency Sync Function for Parallel Supply Operation or Noise Minimization Shutdown Pin Provides PowerïDown Option 85 A Quiescent Current During PowerïDown Thermal Shutdown SoftïStart Pin Compatible with LT1375 (SOï8 V ersion) NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AECïQ100
Qualified and PPAP Capable These Devices are PbïFree and are RoHS Compliant
SOï8
D SUFFIX
CASE 7511
MARKING
DIAGRAMS
http://
SOï16W EP
PW SUFFIX
CASE 751AG NCV51411
AWLYYWWG
ALYWE
18ïLEAD DFN
MN SUFFIX
CASE 505
NCV51411
AWLYYWW 1818 = Assembly Location
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week = Automotive Grade
or G = PbïFree Package
(Note: Microdot may be in either location)
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
ORDERING INFORMATION
