Datasheet LTC3525-3, LTC3525-3.3, LTC3525-5 (Analog Devices) - 3

FabricanteAnalog Devices
Descripción400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect
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LTC3525-3/ LTC3525-3.3/LTC3525-5
elecTrical characTerisTics (LTC3525-3) The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. VIN = 1.2V, VSHDN = 1.2V, VOUT = 3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Start-Up Voltage 0.85 1 V Output Voltage (Note 6) l 2.91 3.00 3.09 V Quiescent Current, VOUT SHDN = VIN (Note 4) 7 15 µA Quiescent Current, VIN SHDN = VIN (Note 4) 0.5 3 µA Quiescent Current, VIN – Shutdown SHDN = 0V, VOUT = 0V 0.1 1 µA Not Including Switch Leakage NMOS Switch Leakage Current VIN = VOUT = VSW = 5V, SHDN = 0V 0.1 1 µA PMOS Switch Leakage Current VIN = VSW = 5V, VOUT = 0V, SHDN = 0V 0.1 3 µA NMOS Switch On-Resistance (Note 3) 0.6 Ω PMOS Switch On-Resistance (Note 3) 0.9 Ω Peak Current Limit 0.4 0.45 A SHDN Threshold Voltage 0.4 0.6 1 V SHDN Input Current VSHDN = VIN or VOUT 0.01 1 µA
elecTrical characTerisTics (LTC3525-3.3) The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. VIN = 1.2V, VSHDN = 1.2V, VOUT = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Start-Up Voltage 0.85 1 V Output Voltage (Note 6) l 3.20 3.30 3.40 V Quiescent Current, VOUT SHDN = VIN (Note 4) 7 15 µA Quiescent Current, VIN SHDN = VIN (Note 4) 0.5 3 µA Quiescent Current, VIN – Shutdown SHDN = 0V, VOUT = 0V 0.1 1 µA Not Including Switch Leakage NMOS Switch Leakage Current VIN = VOUT = VSW = 5V, SHDN = 0V 0.1 1 µA PMOS Switch Leakage Current VIN = VSW = 5V, VOUT = 0V, SHDN = 0V 0.1 3 µA NMOS Switch On-Resistance (Note 3) 0.5 Ω PMOS Switch On-Resistance (Note 3) 0.8 Ω Peak Current Limit 0.4 0.45 A SHDN Threshold Voltage 0.4 0.6 1 V SHDN Input Current VSHDN = VIN or VOUT 0.01 1 µA 3525fc For more information www.linear.com/LTC3525 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts