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MP8845CGC PDF预览

MP8845CGC

更新时间: 2024-02-21 00:03:54
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芯源 - MPS /
页数 文件大小 规格书
20页 483K
描述
5A High Efficient Synchronous Step-Down Switchers with I2C Interface

MP8845CGC 数据手册

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MP8845C  
5A High Efficient Synchronous  
Step-Down Switchers with I2C Interface  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP8845C is a highly integrated and high  
frequency synchronous step-down switcher with  
I2C control interface. It is optimized to support up  
to 5A load current over an input supply range  
from 2.7V to 6V with excellent load and line  
regulation.  
2.7V to 6V Input Voltage Range  
Up to 5A Load Current  
Internal 32mHigh-Side, 17mLow-Side  
Power MOSFETs  
Fixed Frequency Hysteretic Mode Control  
I2C Compatible Interface up to 3.4Mbps  
I2C Programmable Output Range from 0.6V  
to 1.45V in 6.69mV Steps  
Constant frequency hysteretic control mode  
provides extremely fast transient response  
without loop compensation and easily achieves  
high efficiency under light load condition.  
Factory Adjustable Switching Frequency from  
1MHz to 2.2MHz  
I2C Programmable Voltage Transition Slew  
Rate  
The output voltage level can be controlled, on-the  
fly through a 3.4Mbps I2C serial interface.  
Voltage range can be adjusted from 0.6V to  
1.45V in 6.69mV steps. Voltage slew rate,  
switching frequency and power savings mode are  
also selectable through the I2C interface.  
Power Saving Mode Selectable via I2C  
Internal Soft-Start  
Current Overload and Thermal Shutdown  
Protection  
Available in 20-ball WLCSP-1.6mmx2mm  
package  
Fully protection features includes internal soft  
start, over current protection and over  
temperature protection.  
APPLICATIONS  
Processor Core Supply  
Micro Converter  
The MP8845C requires a minimum number of  
readily available standard external components  
and is available in the compact WLCSP20-  
1.6mmx2mm package.  
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green  
status, please visit MPS website under Products, Quality Assurance page.  
“MPS” and “The Future of Analog IC Technology” are registered trademarks of  
Monolithic Power Systems, Inc.  
The MP8845C is covered by US Patents  
TYPICAL APPLICATION  
L1  
0.47uH  
2.7V ~ 6V  
1.1V  
90  
V
IN  
SW  
VIN  
VO  
80  
VOUT  
C2  
47uF  
70  
60  
50  
40  
30  
20  
10  
0
C1  
10uF  
MP8845 C  
EN  
EN  
SDA  
SCL  
I2C Bus  
Up to 3.4Mbps  
GND  
AGND  
0.01  
0.1  
1
10  
MP8845C Rev. 1.02  
4/25/2014  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2014 MPS. All Rights Reserved.  
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