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MP2145/MPS国产替代DIO6145帝奥微DC/DC转换降压芯片

来源:昊海鑫 时间:2022-09-28 15:35

The DIO6145 is a step-down DCDC converter with power MOSFETs integrated. It is able to provide continuous output current up to 6A. The output voltage can be regulated as low as below 0.6V. It also offers various protection scheme such as current-limiting and thermal shutdown. Optimized COT architecture (Constant on Time) allows both fast transient response and loop stability. Housed in a small flip-chip based QFN2*3-12 package,

DIO6145 requires minimal external components to implement 6A output capability with superior thermal performance.

Features
Operating Input Range: 2.8V to 5.5V
Quiescent Current: 40µA
Up to 6A Output Current
Fixed Switching Frequency: 1.2MHz
Adjustable Output from 0.6V
700μs Internal SS Time with Pre-Bias Startup
20mΩ and 12mΩ Internal Power MOSFETs
Output discharge resistance: 600Ω
100% Duty Cycle in Dropout
1% Feedback Accuracy
External Mode Control
External VCON Control
Cycle-by-Cycle Over Current Protection
Short Circuit Protection with Hiccup Mode
Stable with Low-ESR Output Ceramic
Capacitors
Thermal Shutdown
Package: QFN2*3-12

Applications
Mobile or Battery-Powered Devices
Storage (SSD, HDD)
 

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