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CS51411ED8

更新时间： 2024-11-27 20:28:59
品牌 Logo 应用领域
樱桃 - CHERRY 开关光电二极管
页数 文件大小 规格书
16页 137K
描述
Switching Regulator, Current/voltage-mode, 4A, 296kHz Switching Freq-Max, PDSO8, 0.150 INCH, SO-8

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CS51411ED8 技术参数

生命周期：Obsolete包装说明：SOP,
Reach Compliance Code：unknown风险等级：5.73
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT/VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：40 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G8
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：4 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
表面贴装：YES切换器配置：BUCK
最大切换频率：296 kHz温度等级：INDUSTRIAL
端子形式：GULL WING端子位置：DUAL
Base Number Matches：1

CS51411ED8 数据手册

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CS51411/2/3/4  
1.5A, 260kHz and 520kHz, Low Voltage Buck Regulators  
with External Bias or Synchronization Capability  
Description  
Features  
V2 Architecture Provides  
Ultra-Fast Transient Response,  
Improved Regulation and  
Simplified Design  
TM  
The CS5141X products are 1.5A buck  
efficiency, especially in high input  
voltage, light load conditions.  
ꢀ
regulator ICs. These devices are fixed-  
frequency operating at 260kHz and  
The on-chip NPN transistor is capable  
of providing a minimum of 1.5A 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.  
TM  
520kHz. The regulators use the V2  
control architecture to provide  
ꢀ
ꢀ
2% Error Amp Reference  
Voltage Tolerance  
unmatched transient response, the best  
overall regulation and the simplest  
loop compensation for today’s high-  
speed logic. These products accommo-  
date input voltages from 4.5V to 40V.  
Switch Frequency Decrease of  
4:1 in Short Circuit Conditions  
Reduces Short Circuit Power  
Dissipation  
ꢀ
ꢀ
The CS51411 and CS51413 contain syn-  
chronization circuitry. The CS51412  
and CS51414 have the option of pow-  
ering the controller from an external  
3.3V to 6V supply in order to improve  
BOOST Lead Allows  
“Bootstrapped” Operation to  
Maximize Efficiency  
Sync Function for Parallel  
Supply Operation or Noise  
Minimization  
Product Selection Guide  
Frequency Temperature Range  
ꢀ
ꢀ
Shutdown Lead Provides  
Power-Down Option  
Part Number  
CS51411E  
CS51411G  
CS51412E  
CS51412G  
CS51413E  
CS51413G  
CS51414E  
CS51414G  
Bias/Sync  
Sync  
Sync  
Bias  
85µA Quiescent Current  
During Power-Down  
260kHz  
260kHz  
260kHz  
260kHz  
520kHz  
520kHz  
520kHz  
520kHz  
–40°C to 85°C  
0°C to 70°C  
–40°C to 85°C  
0°C to 70°C  
–40°C to 85°C  
0°C to 70°C  
–40°C to 85°C  
0°C to 70°C  
ꢀ
ꢀ
ꢀ
Thermal Shutdown  
Soft Start  
Bias  
Pin-Compatible with  
LT1375 and LT1376  
Sync  
Sync  
Bias  
Bias  
Application Diagram  
Package Option  
8L Narrow SOIC  
D1 1N4148  
CS51411/3  
C1  
0.1µF  
4.5V-16V  
C2  
100µF  
1
V
C
BOOST  
U1  
2
1
3
VIN  
BOOST  
VSW  
3.3V  
V
V
IN  
FB  
L1  
15µH  
4
5
V
Shutdown  
SYNC  
SHDNB  
SW  
Gnd  
CS51411/3  
R1  
205  
D3  
1N5821  
C3  
100µF  
SYNC  
VC  
SHDNB  
SYNC  
VFB  
7
Gnd  
6
8
CS51412/4  
R2  
127  
1
V
C
BOOST  
C4  
0.1µF  
V
V
FB  
IN  
V
SW  
Gnd  
4.5V-16V to 3.3V @ 1A Converter  
BIAS  
SHDNB  
TM  
V2 is a trademark of Switch Power, Inc.  
ON Semiconductor  
2000 South County Trail, East Greenwich, RI 02818  
Tel: (401)885–3600 Fax: (401)885–5786  
N. American Technical Support: 800-282-9855  
Web Site: www.onsemi.com  
September, 2000 - Rev. 9  
1
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