部品番号
MP2187
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Monolithic Power Systems
MP2187 データシート - Monolithic Power Systems
Monolithic Power Systems
DESCRIPTION
The MP2187 is a monolithic, step-down, switchmode dual converter with internal power MOSFETs. It can achieve up to 3A continuous output current from a 2.5V–to-5.5V input voltage with excellent load and line regulation. The output voltages of two channels are 1.1V and 1.8V respectively.
FEATURES
• Wide 2.5V-to-5.5V Operating Input Range
• Fixed Output Voltages: 1.1V & 1.8V
• 100% Duty Cycle in Dropout
• Up to 3A Output Current
• Low IQ: 80µA
• 60mΩ and 30mΩ Internal Power MOSFET
Switches
• Input Voltage Failure Indicator
• Default 1.2MHz Switching Frequency
• EN and Power-Good for Power Sequencing
• Cycle-by-Cycle Over-Current Protection
• Auto Discharge at Power-Off
• Short-Circuit Protect with Hiccup Mode
• Stable with Low-ESR Output Ceramic
Capacitors
• Available in a 2.2mm x 2.6mm QFN16
Package
APPLICATIONS
• Low Voltage I/O System Power
• Handheld/Battery-powered Systems
• Wireless/Networking Cards
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