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MIC2207

Microchip
Part Number MIC2207
Manufacturer Microchip
Description 2MHz 3A PWM Buck Regulator
Published Feb 2, 2024
Detailed Description MIC2207 2 MHz 3A PWM Buck Regulator Feature • 2.7 to 5.5V Supply Voltage • 2 MHz PWM Mode • Output Current to 3A • >94%...
Datasheet PDF File MIC2207 PDF File

MIC2207
MIC2207

Overview
MIC2207 2 MHz 3A PWM Buck Regulator Feature • 2.
7 to 5.
5V Supply Voltage • 2 MHz PWM Mode • Output Current to 3A • >94% Efficiency • 100% Maximum Duty Cycle • Adjustable Output Voltage Option Down to 1V • Ultra-Fast Transient Response • Ultra Small External Components Stable with 1 µH Inductor and a 4.
7 µF Output Capacitor • Fully Integrated 3A MOSFET Switch • Micropower Shutdown • Thermal Shutdown and Current Limit Protection • Pb-Free 12-Pin 3 mm x 3 mm x 0.
9 mm DFN Package • –40°C to +125°C Junction Temperature Range Applications • 5V or 3.
3V Point of Load Conversion • Telecom/Networking Equipment • Set Top Boxes • Storage Equipment • Video Cards • DDR Power Supply General Description The MIC2207 is a high-efficiency PWM buck (step-down) regulator that provides up to 3A of output current.
The MIC2207 operates at 2 MHz and has proprietary internal compensation that allows a closed loop bandwidth of over 200 kHz.
The low on-resistance internal P-channel MOSFET of the MIC2207 allows efficiencies over 94%, reduces external components count and eliminates the need for an expensive current sense resistor.
The MIC2207 operates from 2.
7V to 5.
5V input and the output can be adjusted down to 1V.
The devices can operate with a maximum duty cycle of 100% for use in low-dropout conditions.
The MIC2207 is available in a 3 mm x 3 mm DFN-12 package with an operating junction temperature range from –40°C to +125°C.
Package Type 3 mm x 3 mm x 0.
9 mm DFN-12 (ML) SW 1 VIN 2 PGND 3 SGND 4 BIAS 5 FB 6 12 SW 11 VIN 10 PGND 9 PGOOD 8 EN EP 7 NC  2020 Microchip Technology Inc.
DS20006470A-page 1 MIC2207 Functional Block Diagram VIN VIN BIAS P-Channel Current Limit HSD SW PWM Control SW EN Enable and Control Logic Bias, UVLO, Thermal Shutdown SGND Soft Start EA FB 1.
0V 1.
0V PGOOD PGND Typical Application Circuit Input Voltage 5V 10μF 10μF NŸ 1μH Ÿ 2 VIN 11 VIN 5 BIAS 1 SW IHLP2525AH01-1 12 SW 4.
7μF 0.
1μF MIC2207 SSA33L Vishay R1 PGOOD 9 ...


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