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Part Number
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LTC3539-2 |
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Manufacturer
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Linear Technology |
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Description
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1MHz/2MHz Synchronous Step-Up DC/DC Converters |
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Published
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Jul 24, 2009 |
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Detailed Description
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LTC3539/LTC3539-2
2A, 1MHz/2MHz Synchronous Step-Up
DC/DC Converters
FEATURES
n Delivers 3.3V at 900mA From 2 Alkaline/...
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Datasheet
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LTC3539-2
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Overview
LTC3539/LTC3539-2
2A, 1MHz/2MHz Synchronous Step-Up
DC/DC Converters
FEATURES
n Delivers 3.
3V at 900mA From 2 Alkaline/NiMH Cells n Delivers 5V at 900mA From a Lithium-Polymer
Battery n VIN Start-Up Voltage: 700mV n 1.
5V to 5.
25V VOUT Range n Up to 94% Efficiency n VIN VOUT Operation n ±1.
5% Feedback Voltage Tolerance n 1MHz (LTC3539) or 2MHz (LTC3539-2) Fixed
Frequency Operation n Output Disconnect n Selectable Burst Mode® or PWM Operation n 10µA Quiescent Current n Logic Controlled Shutdown: 1µA n Requires Only 6 External Components n Low Profile (2mm × 3mm × 0.
75mm) DFN Package
APPLICATIONS
n Medical Instruments n Portable Bar Code Scanners n Noise Canceling Headphones n Portable GPS ...
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