Datasheet LTC3534 (Analog Devices) - 4

LTC3534
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. 4 Alkaline Cells to 5V Efficiency vs ILOAD USB to 5V Efficiency vs ILOAD
100 100 Burst Burst 90 Mode 90 Mode OPERATION OPERATION 80 80 70 70 60 60 50 50 EFFICIENCY (%) 40 EFFICIENCY (%) 40 30 30 VIN = 3.6V VIN = 4.35V 20 VIN = 5V 20 VIN = 4.8V VIN = 6.4V VIN = 5.25V 10 10 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) 3534 G01 3534 G02
Active Quiescent and Burst Mode SLEEP Currents vs VIN Current Limits vs VIN
425 30 3.3 VFB = 1.2V VOUT = 5V Burst Mode SLEEP CURRENT (µA) ACTIVE QUIESCENT CURRENT 3.0 415 28 2.7 PEAK CURRENT LIMIT 405 26 2.4 2.1 Burst Mode SLEEP CURRENT CURRENT LIMIT (A) 395 24 LINEAR CURRENT LIMIT ACTIVE QUIESCENT CURRENT (µA) 1.8 385 22 1.5 2.4 3.2 4 4.8 5.6 6.4 7.2 8 2.4 3.2 4 4.8 5.6 6.4 7.2 8 INPUT VOLTAGE (V) INPUT VOLTAGE (V) 3534 G03 3534 G04
Minimum Start-Up Voltage Active Quiescent Current Burst Mode SLEEP Current vs Temperature vs Temperature vs Temperature
2.200 450 50 VFB = 1.2V VFB = 1.2V 430 40 2.175 TAGE (V) T VOL 410 30 AR ST 2.150 V IN 390 20 ACTIVE QUIESCENT CURRENT (µA) Burst Mode SLEEP CURRENT (µA) 2.125 370 10 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3534 G05 3534 G06 3534 G07 3534fb 4 For more information www.linear.com/LTC3534 Document Outline Features Applications Description 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 Related Parts