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MAX15066EWE+

更新时间： 2024-09-13 02:52:43
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
21页 1113K
描述
High-Efficiency, 4A, Step-Down DC-DC Regulators with Internal Power Switches

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EVALUATION KIT AVAILABLE  
MAX15066/MAX15166  
High-Efficiency, 4A, Step-Down DC-DC  
Regulators with Internal Power Switches  
General Description  
Benefits and Features  
● Feature Integration Shrinks Solution Size  
The MAX15066/MAX15166 current-mode, synchronous,  
DC-DC buck converters deliver an output current up  
to 4A with high efficiency. The devices operate from  
an input voltage of 4.5V to 16V and provides an  
adjustable output voltage from 0.606V to 90% of the  
input voltage. The devices are ideal for distributed power  
systems, notebook computers, nonportable consumer  
applications, and preregulation applications.  
• Integrated 40mΩ (High-Side) and 18.5mΩ (Low-  
Side) R  
Power MOSFETs  
DS-ON  
• Stable with Low-ESR Ceramic Output Capacitors  
• Enable Input and Power-Good Output  
• Cycle-by-Cycle Overcurrent Protection  
• Fully Protected Against Overcurrent  
(Hiccup Protection) and Overtemperature  
● High Efficiency Conserves Power  
The devices feature a PWM mode operation with  
an internally fixed switching frequency of 500kHz  
(MAX15066) and 350kHz (MAX15166) capable of 90%  
maximum duty cycle. The devices automatically enter  
skip mode at light loads. The current-mode control  
architecture simplifies compensation design and ensures  
a cycle-by-cycle current limit and fast response to line  
and load transients. A high gain transconductance  
error amplifier allows flexibility in setting the external  
compensation, simplifying the design and allowing for an  
all-ceramic design.  
• Up to 96% Efficiency (5V Input and 3.3V Output)  
• Up to 93% Efficiency (12V Input and 3.3V Output)  
• Automatic Skip Mode During Light Loads  
● Safe, Reliable, Accurate Operation  
• Continuous 4A Output Current  
• ±1% Output Accuracy Over Load, Line, and  
Temperature  
• Safe Startup Into Prebiased Output  
• Programmable Soft-Start  
• V  
LDO Undervoltage Lockout  
DD  
● Well Suited to Distributed Power, Networking, and  
The synchronous buck regulators feature inter-  
nal MOSFETs that provide better efficiency than  
asynchronous solutions, while simplifying the design  
relative to discrete controller solutions. In addition to  
simplifying the design, the integrated MOSFETs mini-  
mize EMI, reduce board space, and provide higher reli-  
ability by minimizing the number of external components.  
Computing Applications  
• 4.5V to 16V Input Voltage Range  
• Adjustable Output Voltage Range from 0.606V  
to (0.9 x V )  
IN  
®
● Available in EE-Sim Design and Simulation Tool to  
Slash Design Time  
Additional features include an externally adjustable  
soft-start, independent enable input and power-good  
output for power sequencing, and thermal shutdown  
protection. The devices offer overcurrent protection  
(high-side sourcing) with hiccup mode during an output  
short-circuit condition. The devices ensure safe startup  
when powering into a prebiased output.  
Ordering Information appears at end of data sheet.  
Typical Application Circuit  
INPUT  
4.5V TO 16V  
IN  
BST  
LX  
1.8V/4A  
OUTPUT  
The MAX15066/MAX15166 are available in a 2mm x  
2mm, 16-bump (4 x 4 array), 0.5mm pitch wafer-level  
package (WLP) and are fully specified from -40NC to  
+85NC.  
EN  
MAX15066  
MAX15166  
V
DD  
FB  
Applications  
● Distributed Power Systems  
● Preregulators for Linear Regulators  
● Home Entertainment (TV and Set-Top Boxes)  
● Network and Datacom  
COMP  
PGOOD  
SS  
GND  
● Servers, Workstations, and Storage  
EE-Sim is a registered trademark of Maxim Integrated  
Products, Inc.  
19-5224; Rev 5; 1/15  
1234567...21

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