制造商:Microchip
The MIC2199 is a high power 300kHz synchronous buck DC-to-DC controller. The MIC2199 operates from a wide 4.5V to 32V input and can be programmed for output voltages from 0.8V to 6V. The wide input voltage capability makes the MIC2199 an ideal solution for point-of-load DC-to-DC conversion in 5V, 12V, 24V, and 28V systems. The 300kHz switching frequency allows the use of a small inductor and small output capacitors. The current mode PWM control along with the external COMP pin allows for ease of stability compensation and fast transient response across a wide range of applications. An all N-Channel synchronous architecture and powerful output drivers allow up to 20A of output current capability. For smaller external components, refer to the 500kHz MIC2198. The MIC2199 is availablewith a junction temperature range from -40°C to 125°C.
4.5V to 32V input range
4mm x 4mm MLF® package
300kHz PWM operation
95% efficiency
Output voltage adjustable down to 0.8V
20A output current capability
Drives all N-Channel MOSFETs
Logic controlled micropower shutdown
Cycle-by-cycle current limiting
Adjustable undervoltage lockout
Frequency foldback overcurrent protection
MIC2199 封装图
型号 | 制造商 | 描述 | 购买 |
---|---|---|---|
MIC2199YML-TR | Microchip | IC REG CTRLR BUCK 12MLF | 立即购买 |
MIC2199YML | Microchip | IC REG CTRLR BUCK 12MLF | 立即购买 |
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