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Part Number
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MAX1553 |
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Manufacturer
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Maxim |
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Description
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40V Step-Up Converters |
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Published
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May 6, 2005 |
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Detailed Description
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MAX1553/MAX1554
EVALUATION KIT AVAILABLE
High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs
General Descri...
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Datasheet
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MAX1553
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Overview
MAX1553/MAX1554
EVALUATION KIT AVAILABLE
High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs
General Description
The MAX1553/MAX1554 drive white LEDs in series with a constant current to provide efficient display backlighting in cellular phones, PDAs, and other hand-held devices.
The step-up converter includes an internal 40V, low RDSON, N-channel MOSFET switch for high efficiency and maximum battery life.
The MAX1553 has a current limit of 480mA for driving two to six white LEDs, while the MAX1554 has a current limit of 970mA for driving up to 10 white LEDs.
A single analog/PWM Dual Mode™ input provides two simple means of brightness adjustment.
A separate enable input provides...
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