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MAX77816 PDF预览

MAX77816

更新时间: 2024-11-06 14:57:19
品牌 Logo 应用领域
亚德诺 - ADI 开关稳压器
页数 文件大小 规格书
30页 1035K
描述
高效升/降压稳压器,带5A开关

MAX77816 数据手册

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EVALUATION KIT AVAILABLE  
Click here to ask about the production status of specific part numbers.  
MAX77816  
High-Efficiency Buck-Boost Regulator  
with 5A Switches  
General Description  
Benefits and Features  
Buck and Boost Operation Including Seamless  
The MAX77816 is  
a
high-current, high-efficiency  
buck-boost regulator targeting single-cell Li-ion battery-  
powered applications. It supports a wide output voltage  
range from 2.60V to 5.14V. The IC allows 5A (typ) maxi-  
mum switch current. In buck mode, the output current can  
go as high as 4A, and in boost mode, the maximum out-  
put current can be 3A. A unique control algorithm allows  
high efficiency, outstanding line/load transient response,  
and seamless transition between buck and boost modes.  
Transition between Buck and Boost Modes  
• 2.3V to 5.5V V Range  
IN  
• 2.60V to 5.14V V  
with 20mV Step  
OUT  
• 3A Minimum Continuous Output Current  
(V ≥ 3.0V, V = 3.3V)  
INBB  
OUTBB  
• Burst Current: 3.6A Minimum Output Current for  
800µs (V ≥ 3.0V, V = 3.3V)  
INBB  
OUTBB  
2
I C Serial Interface Allows Dynamic V  
OUT  
2
The IC features an I C-compatible serial interface. The  
Adjustment and Provides Design Flexibility  
2
I C interface allows the output voltage to be dynamically  
97.5% Peak Efficiency  
adjusted, thus enabling finer control of system power con-  
2
40µA Quiescent Current  
sumption. The I C interface also provides features such  
as enable control and device status monitoring.  
Safety Features Enhance Device and System  
Reliability  
The multifunction GPIO pin is register settable to 5  
different options, such as FPWM mode enable and induc-  
tor peak current level selection. These options provide  
design flexibility that allows the IC to cover a wide range  
of applications and use cases.  
• Soft-Start  
• True Shutdown™  
• Thermal Shutdown and Short-Circuit Protection  
Multifunction GPIO Pin  
MAX77816A/F: FPWM Mode Enable  
MAX77816B: Inductor Peak Current-Limit selection  
MAX77816C: Output Voltage Selection  
MAX77816D: Power-OK indicator  
MAX77816E: Interrupt Indicator  
Applications  
Smartphones and Tablets  
Wearable Devices  
Wireless Communication Devices  
● RF Power Amplifiers  
Small Size: 1.827mm x 2.127mm, 20-Bump WLP,  
Battery-Powered Applications  
0.4mm Pitch  
Typical Application Circuit  
1µH  
LXBB 1  
INBB  
SYS  
LXBB 2  
OUTBB  
V
V
OUT  
IN  
10µF  
47µF  
FB_BB  
MAX77816  
1µF  
1.8V  
PGNDBB  
REQUIRED WHEN  
GPIO IS CONFIGURED  
AS OUTPUT  
EN  
1.5kΩ  
1.5kΩ  
1.8V  
SDA  
SCL  
GPIO  
GND  
100kΩ  
Ordering Information appears at end of data sheet.  
True Shutdown is a trademark of Maxim Integrated Products, Inc.  
19-100055; Rev 4; 7/20  

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