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NCP3133A_16 PDF预览

NCP3133A_16

更新时间: 2024-11-06 01:20:35
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
13页 131K
描述
3 A Integrated Synchronous Buck Converter

NCP3133A_16 数据手册

 浏览型号NCP3133A_16的Datasheet PDF文件第2页浏览型号NCP3133A_16的Datasheet PDF文件第3页浏览型号NCP3133A_16的Datasheet PDF文件第4页浏览型号NCP3133A_16的Datasheet PDF文件第5页浏览型号NCP3133A_16的Datasheet PDF文件第6页浏览型号NCP3133A_16的Datasheet PDF文件第7页 
NCP3133A  
3 A Integrated Synchronous  
Buck Converter  
NCP3133A is a fully integrated synchronous buck converter for  
3.3 V and 5 V step−down applications. It can provide up to 3 A load  
current. NCP3133A supports high efficiency, fast transient response  
and provides power good indicator. The control scheme includes two  
operation modes: FCCM and automatic CCM/DCM. In automatic  
CCM/DCM mode, the controller can smoothly switch between CCM  
and DCM, where converter runs at reduced switching frequency with  
much higher efficiency. NCP3133A is available in 3 mm x 3 mm  
QFN−16 pin package.  
www.onsemi.com  
1
QFN16 3 x 3, 0.5P  
CASE 485DA  
Features  
SUGGESTED PIN ARRANGEMENT  
High Efficiency in both CCM and DCM  
High Operation Frequency at 1.1 MHz  
Support MLCC Output Capacitor  
Small Footprint, 3 mm x 3 mm, 16−pin QFN Package  
Up to 3 A Continuous Output Current  
2.9 V to 5.5 V Wide Conversion Voltage Range  
Output Voltage Range from 0.6 V to 0.84 X Vin  
Internal 400 ms Soft−Start  
PGND PGND VIN VIN  
16  
15  
14  
13  
EN  
NC  
VDD  
AGND  
FB  
12  
11  
10  
9
1
2
NCP3133A  
PGD  
VBST  
3
4
Automatic Power−Saving Mode  
Voltage Mode Control  
COMP  
Support Pre-bias Start−up Functionality  
Output Discharge Operation  
Over−Temperature Protection  
Built−in Over−Voltage, Under−Voltage and Over-Current Protection  
Power Good Indicator  
This is a Pb−Free Device  
5
6
7
8
SW SW SW PS  
MARKING DIAGRAM  
3133A  
ALYWG  
G
Applications  
5 V Step Down Rail  
3.3 V Step Down Rail  
3133A = Specific Device Code  
A
L
= Assembly Location  
= Wafer Lot  
Y
W
G
= Year  
= Work Week  
= Pb−Free Package  
(Note: Microdot may be in either location)  
ORDERING INFORMATION  
See detailed ordering, marking and shipping information in the  
package dimensions section on page 12 of this data sheet.  
© Semiconductor Components Industries, LLC, 2016  
1
Publication Order Number:  
April, 2016 − Rev. 2  
NCP3133A/D  

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