LTC3539EDCB

The LTC3539EDCB is one member of the LTC3539 family which is designed as the 2A, 1MHz/2MHz synchronous step-up DC/DC converter that can be used in wide range of applications such as (1)Medical Instruments; (2)Portable Bar Code Scanners; (3)Noise Canceling Headphones; (4)Portable GPS Navigation; (5)Handheld PCs. And it features a pin-enabled automatic Burst Mode operation at light load conditions.

Features of the LTC3539EDCB are:(1)Delivers 3.3V at 900mA From 2 Alkaline/NiMH Cells;(2)VIN Start-Up Voltage: 700 mV;(3)1.5V to 5.25V VOUT Range;(4)Up to 94% Efficiency;(5)VIN > VOUT Operation;(6)Output Disconnect;(7)Selectable Burst Mode or PWM Operation;(8)10A Quiescent Current;(9)Logic Controlled Shutdown: <1A;(10)Requires Only 6 External Components;(11)Low Profi le (2mm * 3mm * 0.75mm) DFN Package.

The absolute maximum ratings of the LTC3539EDCB can be summarized as:(1)VIN Voltage:0.3 V to 6 V;(2)SW Voltage DC:0.3 V to 6 V;(3)SW Voltage Pulsed <100 ns:0.3 V to 7 V;(4)SHDN, FB, MODE Voltage:0.3 V to 6 V;(5)VOUT:0.3 V to 6 V;(6)Operating Temperature:40°C to 85°C;(7)Storage Temperature Range:65°C to 125°C.

The electrical characteristics of LTC3539EDCB can be summarized as:(1)Input Voltage Range: 0.5 to 5 V;(2)Minimum Start-Up Voltage:0.7 to 0.88 V;(3)Output Voltage Adjust Range:1.5 to 5.25 V;(4)Feedback Voltage: 1.170 to 1.230 V;(5)Feedback Input Current:1 to 50 nA;(6)Quiescent Current - Shutdown: 0.01 to 1 A;(7)Quiescent Current - Active: 300 to 500 A;(8)Quiescent Current - Burst: 10 to 18 A. If you want to know more information about it, please download the datasheet in www.seekic.com or www.chinaicmart.com .