Datasheet LT3483, LT3483A (Analog Devices) - 3

LT3483/LT3483A
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, VSHDN = 3.6V unless otherwise specified. PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Range 2.5 16 V VIN Undervoltage Lockout 2 2.4 V FB Comparator Trip Voltage to GND (VFB) FB Falling ● 0 5 12 mV FB Output Current (Note 3) FB = VFB – 5mV ● –10.2 –10 –9.7 µA FB Comparator Hysteresis FB Rising 10 mV Quiescent Current in Shutdown VSHDN = GND 1 µA Quiescent Current (Not Switching) FB = –0.05V 40 50 µA IFB Line Regulation 2.5V ≤ VIN ≤ 16V 0.07 %/V Switch Off-Time 300 ns Switch Current Limit LT3483 170 200 230 mA LT3483A 340 400 460 mA Switch VCESAT ISW = 150mA to GND 200 mV Switch Leakage Current SW = 40V 1 µA D Pin Current Limit 350 mA Rectifier Leakage Current D = – 40V 4 µA Rectifier Forward Drop ID = 150mA to GND 0.64 V SHDN Input Low Voltage 0.4 V SHDN Input High Voltage 1.5 V SHDN Pin Current 6 10 µA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings may
Note 2:
The LT3483E/LT3483AE are guaranteed to meet specifications from cause permanent damage to the device. Exposure to any Absolute Maximum 0°C to 85°C. Specifications over the –40°C to 85°C operating temperature Rating condition for extended periods may affect device reliability and range are assured by design, characterization and correlation with lifetime. statistical process controls. The LT3483I/LT3483AI are guaranteed to meet specifications over the –40°C to 125°C operating temperature range.
Note 3:
Current flows out of the pin. 3483fc 3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics pin functions block diagram operation applications information typical applications Package Description Revision History Typical Application Related Parts