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Partname: | LTC3544EUD-PBF |
Description: | Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA |
Manufacturer: | Linear Technology |
Datasheet: | PDF (290K). Click here to download *) |
The LTC 3544 is a quad, high efficiency, monolithic synchronous buck regulator using a constant-frequency, current mode architecture. The four regulators operate independently with separate run pins. The 2.25V to 5.5V input voltage range makes the LTC3544 well suited for single Li-Ion/polymer battery-powered applications. 100% duty cycle provides low dropout operation, extending battery runtime in portable systems. Low ripple Burst Mode operation increases efficiency at light loads, further extending battery runtime with typically only 20mV of ripple. |
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