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MAX77511

更新时间： 2024-11-19 14:57:43
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
99页 5991K
描述
10V输入、四相位、可配置、3A/相位、高效Buck转换器

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MAX77511 数据手册

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EVALUATION KIT AVAILABLE  
Click here to ask an associate for production status of specific part numbers.  
10V Input, Quad-Phase Configurable, 3A/Phase,  
High-Efficiency Buck Converter  
MAX77511/MAX77711  
General Description  
Benefits and Features  
The MAX77511/MAX77711 are four-phase, 3A/phase,  
configurable single to quad output, step-down buck regu-  
lators for 1s/2s Li+ battery inputs. Output voltage is pro-  
● 3A/Phase Configurable Buck Regulator  
• 3A, 6A, 9A, or 12A Output Current Capability  
● 2.3V to 10V Input Voltage Range  
2
grammable through an I C interface between 0.25V and  
● 0.25V to 5.2V Output Voltage Range  
• 0.25V to 1.3V (5mV steps) in Low-Range  
• 1V to 5.2V (20mV steps) in High-Range  
5.2V. The buck has four combinable 3A switching phases  
(Φ) for up to four regulated outputs. Phases are config-  
urable to higher-current multiphase outputs: 4Φ, (3+1)Φ,  
(2+2)Φ, (2+1+1)Φ, or (1+1+1+1)Φ.  
● Pin Programmable Output/Phase (Φ) Configuration  
• 4Φ, (3+1)Φ, (2+2)Φ, (2+1+1)Φ, (1+1+1+1)Φ  
Six GPIOs can be purposed for I/O expansion or buck sta-  
tus and control. Pseudo-random spread-spectrum modu-  
lation suppresses EMI. Soft-start, soft-stop, and DVS slew  
● High-Efficiency and Low-Heat with 2520 Inductor  
• 94% Peak (3.3V  
• 85% Peak (1.1V  
, 7.4V )  
, 7.4V )  
IN  
OUT  
OUT  
IN  
2
times are programmable with I C. MAX77711 offers a  
300mA linear regulator.  
● 1MHz Nominal Switching Frequency per Phase  
• Pseudo-Random Spread-Spectrum Options  
MAX77511/MAX77711 are available in a 64-bump,  
3.54mm x 3.54mm wafer-level package (WLP).  
● Six Multi-Function GPIOs for Hardware Buck Control  
• Enable, DVS, FPWM, and Power-OK  
Applications  
● DSLR, Mirrorless, HD Video, and Action Cameras  
● 2-Cell Li+/Li-ion Equipment  
● 300mA pMOS LDO (MAX77711 Only)  
● Built-In Flexible Sequencing with Soft-Start/Stop  
● Protection Features  
● Notebook Computers and Robots  
● Embedded Microprocessors, FPGAs, or ASICs  
• Hard and Soft-Short Protection, UVLO, and  
Thermal Protection  
Simplified Block Diagram  
MAX77511/MAX77711  
IN1/IN2  
IN3/IN4  
LX1  
LX2  
3A  
3A  
3A  
3A  
1Φ  
+
DC SOURCE  
2.3V to 10V  
1Φ  
+
V
OUT1  
1Φ  
+
1Φ  
SNS1+  
SNS1-  
0.25V TO 5.2V  
6A MAX  
SYS  
2Φ  
+
6A  
1Φ  
+
PGND  
3A  
3A  
1Φ  
PHCFG1  
PHCFG0  
BUCK  
REGULATOR  
LX3  
SNS3+  
SNS3-  
V
OUT3  
6A  
6A  
0.25V TO 5.2V  
3A MAX  
GPIO1  
GPIO2  
GPIO3  
GPIO4  
GPIO5  
GPIO6  
2Φ  
+
2Φ  
2Φ+1Φ+1Φ  
CONFIG  
BEN1  
DVS1  
EXAMPLE GPIO  
MAPPED  
GPIO &  
SPECIAL  
FUNCTION  
MUX  
FPWM1  
POK1  
FUNCTIONS  
LX4  
SNS4+  
SNS4-  
INLDO  
LDO  
V
OUT4  
9A  
3A  
3Φ  
+
1Φ  
0.25V TO 5.2V  
3A MAX  
GENERAL-PURPOSE I/O  
DC SOURCE  
1.25V-5.5V  
4Φ  
V
300mA LDO  
(MAX77711  
ONLY)  
12A  
IO  
SCL  
SDA  
nIRQ  
V
LDO  
DIGITAL  
CONTROL  
SERIAL HOST  
0.4V to 1.975V  
300mA MAX  
BUCK  
CURRENT  
MONITOR  
PHASE-CONFIGURABLE  
QUAD-OUTPUT  
AMUX  
SIMPLIFIED, SOME  
PINS NOT DRAWN  
TO SYSTEM ADC  
19-100381; Rev 5; 5/23  
Ordering Information appears at end of data sheet.  
© 2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.  
One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2023 Analog Devices, Inc. All rights reserved.  
 
 
 
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