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CS51413GD8 其他数据使用手册 - ON Semiconductor（安森美）
制造商:
ON Semiconductor（安森美）
分类:
DC/DC转换器
封装:
SOIC-8
描述:
1.5 A ， 260 kHz和520 kHz的低电压降压稳压器，外部偏置或同步功能 1.5 A, 260 kHz and 520 kHz, Low Voltage Buck Regulators with External Bias or Synchronization Capability
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CS51413GD8数据手册
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© Semiconductor Components Industries, LLC, 2013
May, 2013 − Rev. 21
1 Publication Order Number:
CS51411/D
CS51411, CS51412,
CS51413, CS51414
1.5 A, 260 kHz and 520 kHz,
Low Voltage Buck
Regulators with External
Bias or Synchronization
Capability
The CS5141X products are 1.5 A buck regulator ICs. These devices
are fixed−frequency operating at 260 kHz and 520 kHz. The regulators
use the V
2
™ control architecture to provide unmatched transient
response, the best overall regulation and the simplest loop
compensation for today’s high−speed logic. These products
accommodate input voltages from 4.5 V to 40 V.
The CS51411 and CS51413 contain synchronization circuitry. The
CS51412 and CS51414 have the option of powering the controller
from an external 3.3 V to 6.0 V supply in order to improve efficiency,
especially in high input voltage, light load conditions.
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 CS51411 and CS51413
are functionally pin−compatible with the LT1375. The CS51412 and
CS51414 are functionally pin−compatible with the LT1376.
Features
• V
2
Architecture Provides Ultrafast 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 Pin Allows “Bootstrapped” Operation to Maximize
Efficiency
• Sync Function for Parallel Supply Operation or Noise Minimization
• Shutdown Lead Provides Power−Down Option
• 85 mA Quiescent Current During Power−Down
• Thermal Shutdown
• Soft−Start
• Pin−Compatible with LT1375 and LT1376
• These Devices are Pb−Free and are RoHS Compliant
5141x = Device Code
x = 1, 2, 3 or 4
A = Assembly Location
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
y = E or G
G =Pb−Free Package
SOIC−8
D SUFFIX
CASE 751
1
8
MARKING DIAGRAMS
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
http://onsemi.com
5141x
ALYWy
G
1
8
1
18
18−LEAD DFN
MN SUFFIX
CASE 505
CS5141xy
AWLYYWW G
G
118
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