LTC3539EDCB#TRPBF IC REG BOOST ADJUSTABLE 2A 8DFN Analog Devices Inc.
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Detailed Product Description
Product Details
DESCRIPTIONThe LTC®3539/LTC3539-2 are synchronous, 2A step-up DC/DC converters with output disconnect. Synchronous rectification enables high efficiency in the low profile 2mm × 3mm DFN package. Battery life is extended with a 700mV start-up voltage and operation down to 500mV once started.
FEATURES■ Delivers 3.3V at 900mA From 2 Alkaline/NiMH Cells■ Delivers 5V at 900mA From a Lithium-Polymer Battery ■ VIN Start-Up Voltage: 700mV ■ 1.5V to 5.25V VOUT Range ■ Up to 94% Efficiency ■ VIN > VOUT Operation ■ ±1.5% Feedback Voltage Tolerance ■ 1MHz (LTC3539) or 2MHz (LTC3539-2) Fixed Frequency Operation ■ Output Disconnect ■ Selectable Burst Mode® or PWM Operation ■ 10µA Quiescent Current ■ Logic Controlled Shutdown: <1µA ■ Requires Only 6 External Components ■ Low Profile (2mm × 3mm × 0.75mm) DFN Package
APPLICATIONS■ Medical Instruments■ Portable Bar Code Scanners ■ Noise Canceling Headphones ■ Portable GPS Navigation ■ Handheld PCs
Specifications
DescriptionsLTC3539/LTC3539-2 - 2A, 1MHz/2MHz Synchronous Step-Up DC/DC
Converters |
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