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Partname: | MAX1843EGI |
Description: | 2.7 A, 1 MHz, low-voltage, step-down regulator with internal synchronous rectification |
Manufacturer: | Maxim Integrated Products |
Package: | QFN |
Pins: | 28 |
Oper. temp.: | -40 to 85 |
Datasheet: | PDF (366K). Click here to download *) |
The MAX1843 uses a unique current-mode, constant-offtime, PWM control scheme, which includes Idle ModeTM to maintain high efficiency during light-load operation. The programmable constant-off-time architecture sets switching frequencies up to 1MHz, allowing the user to optimize performance trade-offs between efficiency, output switching noise, component size, and cost. The MAX1843 features an adjustable soft-start to limit surge currents during startup, a 100% duty-cycle mode for low dropout operation, and a low-power shutdown mode that disconnects the input from the output and reduces supply current below 1A. The MAX1843 is available in a 28pin QFN package with an exposed backside pad. |
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Click here to download MAX1843EGI Datasheet*) |
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