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NCV51411 데이터시트(Datasheet) 1 Page - ON Semiconductor

부품명 NCV51411
상세내용  1.5 A, 260 kHz, Low Voltage Buck Regulator with Synchronization Capability
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제조사  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
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© Semiconductor Components Industries, LLC, 2010
May, 2010 − Rev. 15
1
Publication Order Number:
NCV51411/D
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
fixed−frequency of 260 kHz. The device uses the V2
t control
architecture to provide unmatched transient response, the best overall
regulation and the simplest loop compensation for today’s high−speed
logic. The NCV51411 accommodates input voltages from 4.5 V to
40 V and contains synchronization circuitry.
The on−chip 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 on−chip power dissipation.
Protection circuitry includes thermal shutdown, cycle−by−cycle
current limiting and frequency foldback. The NCV51411 is
functionally pin−compatible with the LT1375.
Features
V2 Architecture Provides Ultra−Fast 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 Power−Down Option
85 mA Quiescent Current During Power−Down
Thermal Shutdown
Soft−Start
Pin Compatible with LT1375 (SO−8 Version)
NCV Prefix for Automotive and Other Applications Requiring Site
and Change Controls
Pb−Free Packages are Available
SO−8
D SUFFIX
CASE 751
1
8
MARKING
DIAGRAMS
http://onsemi.com
SO−16W EP
PW SUFFIX
CASE 751AG
1
16
NCV51411
AWLYYWWG
1
16
51411
ALYWE
G
1
8
18−LEAD DFN
MN SUFFIX
CASE 505
1
NCV51411
AWLYYWW G
G
118
18
A
= Assembly Location
L, WL
= Wafer Lot
Y, YY
= Year
W, WW = Work Week
E
= Automotive Grade
G or G
= Pb−Free 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




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