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參數(shù)資料
| 型號： | CS51414G |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.5A, 260 kHz AND 520 kHz, LOW VOLTAGE BUCK REGULATORS WITH EXTERNAL BIAS OR SYNCHRONIZATION CAPABILITY |
| 中文描述： | 1.5A的，260 kHz和520 kHz的，低電壓降壓穩(wěn)壓器采用外部偏置或同步能力 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 489K |
| 代理商： | CS51414G |
Semiconductor Components Industries, LLC, 2002
September, 2002 – Rev. 11
1
Publication Order Number:
CS51411/D
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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 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 Lead Provides Power–Down Option
85
μ
A Quiescent Current During Power–Down
Thermal Shutdown
Soft Start
Pin–Compatible with LT1375 and LT1376
X
A
WL, L
YY, Y
WW, W
T
= 1, 2, 3 or 4
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Temperature Range, E or G
SO–8
D SUFFIX
CASE 751
1
8
MARKING DIAGRAM
1
5141X
ALYWT
8
SYNC
SHDNB
1
8
GND
V
SW
V
FB
V
IN
V
C
BOOST
PIN CONNECTIONS
SHDNB
BIAS
1
8
GND
V
SW
V
FB
V
IN
V
C
BOOST
CS51412/4
CS51411/3
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
http://onsemi.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS51414GD8 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A Low Voltage RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51414GD8G | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A Low Voltage Buck RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51414GDR8 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A Low Voltage RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51414GDR8G | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A Low Voltage Buck RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| CS51414GMNR2G | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A 520kHz BUCK REG LOW VOLTAGE RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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