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MAX1993 Dataheets PDF



Part Number MAX1993
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description Quick-PWM Step-Down Controllers
Datasheet MAX1993 DatasheetMAX1993 Datasheet (PDF)

19-2661; Rev 1; 9/05 MAX1992/MAX1993 Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages General Description The MAX1992/MAX1993 pulse-width modulation (PWM) controllers provide high-efficiency, excellent transient response, and high DC output accuracy. The devices step down high-voltage batteries to generate lowvoltage CPU core or chipset/RAM supplies in notebook computers. Maxim’s proprietary Quick-PWM™ quick-response, constant on-time PWM control.

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19-2661; Rev 1; 9/05 MAX1992/MAX1993 Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages General Description The MAX1992/MAX1993 pulse-width modulation (PWM) controllers provide high-efficiency, excellent transient response, and high DC output accuracy. The devices step down high-voltage batteries to generate lowvoltage CPU core or chipset/RAM supplies in notebook computers. Maxim’s proprietary Quick-PWM™ quick-response, constant on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients, while maintaining a relatively constant switching frequency. Efficiency is enhanced by the ability to drive very large synchronousrectifier MOSFETs. Current sensing to ensure reliable overload and inductor saturation protection is available using an external current-sense resistor in series with the output. Alternatively, the controller can sense the current across the .


MAX1992 MAX1993 GAL16V8ZD


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