LTC3539
Description
The 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.
Key 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 n ±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
