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MP28300GG

更新时间： 2024-02-18 17:50:26
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芯源 - MPS /
页数 文件大小 规格书
19页 1343K
描述
Ultra-Low 500nA Iq, Wide Input 2V-5.5V, 300mA Step-Down Regulator Plus300nA Iq, 2V-5.5V Input, 100mA LDO in 2x2 QFN

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MP28300GG 技术参数

生命周期：ActiveReach Compliance Code：compliant
风险等级：5.76Base Number Matches：1

MP28300GG 数据手册

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MP28300  
Ultra-Low 500nA Iq, Wide Input 2V-5.5V,  
300mA Step-Down Regulator Plus300nA Iq,  
2V-5.5V Input, 100mA LDO in 2x2 QFN  
DESCRIPTION  
FEATURES  
The MP28300 is  
management unit containing 300mA, high-  
efficiency, step-down, switching converters and  
a
monolithic power-  
300mA Buck Switcher  
o Ultra-Low Iq: 500nA  
o Wide 2.0V to 5.5V Operating Input  
Range  
a
100mA LDO regulator. The nanoamp  
quiescent current provides extremely high  
efficiency when the load current is down in the  
µA range. With minimum input voltage as low  
as 2V, the MP28300 allows the system to  
operate directly from the battery.  
o 7 Selectable Output Voltages  
o Up to 300mA Output Current  
o 1.5MHz  
Switching  
Frequency  
in  
Continuous Conduction Mode (CCM)  
o 100% Duty Cycle in Dropout  
o 0.25Ω and 0.25Ω Internal Power  
MOSFET Switches  
o Cycle-by-Cycle Over-Current Protection  
(OCP)  
o Short-Circuit Protection (SCP) with  
Hiccup Mode  
The constant-on-time control scheme provides  
fast transient response, high light-load  
efficiency, and requires minimal capacitance.  
The regulation can be made tight by integrating  
an error amplifier to correct the output voltage.  
An 100mA LDO regulator provides easy system  
configuration with clean output voltage.  
100mA LDO  
o Ultra-Low Iq: 300nA  
o 2.0V to 5.5V Operating Input Range  
o 3 Selectable Output Voltages  
o Over-Temperature Protection (OTP)  
Available in  
Package  
The CTRL pins control the on/off and output  
voltage selection functions.  
Fault protection features include under-voltage  
lockout (UVLO), over-current protection (OCP),  
and thermal shutdown.  
a
QFN-12 (2mmx2mm)  
APPLICATIONS  
The MP28300 requires a minimal number of  
Wearables  
IOT  
Portable Instruments  
readily  
available,  
standard,  
external  
components and is available in a small QFN-12  
(2mmx2mm) package.  
Battery-Powered Devices  
All MPS parts are lead-free, halogen-free, and adhere to the RoHS  
directive. For MPS green status, please visit the MPS website under  
Quality Assurance. “MPS” and “The Future of Analog IC Technology” are  
registered trademarks of Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
VIN1:  
3.6V  
L1  
VOUT1  
1.8V/300mA  
SW1  
VIN1  
2.2µH  
C1  
C2  
10µF  
10µF  
OUT1  
CTRL1  
CTRL2  
CTRL3  
PG1  
MP28300GG  
VIN2:  
3.6V  
VOUT2  
1.8V/100mA  
VIN2  
OUT2  
C3  
1µF  
C4  
1µF  
CTRL4  
CTRL5  
GND  
MP28300 Rev.1.01  
6/6/2017  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2017 MPS. All Rights Reserved.  
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