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參數資料
| 型號： | CS51411 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.5A，260KHZ AND 520KHZ，LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY(1.5A，260KHz與520KHz，低電壓降壓控制器，具有外部偏壓或同步功能) |
| 中文描述： | 1.5A的，260KHZ和520KHZ，低電壓降壓穩壓器采用外部偏置或同步能力（1.5A的，260KHz與520KHz，低電壓降壓控制器，具有外部偏壓或同步功能） |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 706K |
| 代理商： | CS51411 |
Semiconductor Components Industries, LLC, 2007
September, 2007 - Rev. 18
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 Lead Allows “Bootstrapped” Operation to Maximize
Efficiency
Sync Function for Parallel Supply Operation or Noise Minimization
Shutdown Lead Provides Power-Down Option
85
A Quiescent Current During Power-Down
Thermal Shutdown
Soft-Start
Pin-Compatible with LT1375 and LT1376
Pb-Free Packages are Available
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
= 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
1
8
1
18
18-LEAD DFN
MN SUFFIX
CASE 505
CS5141xy
AWLYYWW
1
18
相關PDF資料 |
PDF描述 |
|---|---|
| CS51412 | 1.5A，260KHZ AND 520KHZ，LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY(1.5A，260KHz與520KHz，低電壓降壓控制器，具有外部偏壓或同步功能) |
| CS51413 | 1.5A，260KHZ AND 520KHZ，LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY(1.5A，260KHz與520KHz，低電壓降壓控制器，具有外部偏壓或同步功能) |
| CS51414 | 1.5A，260KHZ AND 520KHZ，LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY(1.5A，260KHz與520KHz，低電壓降壓控制器，具有外部偏壓或同步功能) |
| CS51413G | 1.5A, 260 kHz AND 520 kHz, LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY |
| CS51414E | 1.5A, 260 kHz AND 520 kHz, LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CS51411ED8 | 功能描述:直流/直流開關調節器 1.5A Low Voltage RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51411ED8G | 功能描述:直流/直流開關調節器 1.5A Low Voltage Buck RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51411EDR8 | 功能描述:直流/直流開關調節器 1.5A Low Voltage RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51411EDR8G | 功能描述:直流/直流開關調節器 1.5A Low Voltage Buck RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51411EMNR2G | 功能描述:直流/直流開關調節器 1.5A 260kHz BUCK REG LOW VOLTAGE RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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