Datasheet LTC3388-1, LTC3388-3 (Analog Devices) - 3

LTC3388-1/LTC3388-3
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are for TA = 25°C (Note 2). Unless otherwise noted, VIN = 5.5V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Voltage Range l 2.7 20 V IQ VIN Quiescent Current When Enabled UVLO VIN = 2V 400 600 nA Sleep VIN = 4V 720 1100 nA Sleep VIN = 20V 820 1200 nA Active ISW = 0A (Note 4) 150 250 µA IQ,STBY VIN Quiescent Current Enabled, in Standby Sleeping VIN = 4V 720 1100 nA Not Sleeping VIN = 4V 2000 3000 nA IQ,SD VIN Quiescent Current When Disabled VIN = 4V 520 800 nA VIN = 20V 620 900 nA VUVLO VIN Undervoltage Lockout Threshold VIN Rising l 2.5 2.65 V VIN Falling l 2.15 2.3 V VOUT Regulated Output Voltage (LTC3388-1) 1.2V Output Selected; D1 = 0, D0 = 0 Sleep Threshold l 1.208 1.260 V Wake-Up Threshold l 1.140 1.192 V 1.5V Output Selected; D1 = 0, D0 = 1 Sleep Threshold l 1.508 1.560 V Wake-Up Threshold l 1.440 1.492 V 1.8V Output Selected; D1 = 1, D0 = 0 Sleep Threshold l 1.808 1.863 V Wake-Up Threshold l 1.737 1.792 V 2.5V Output Selected; D1 = 1, D0 = 1 Sleep Threshold l 2.508 2.600 V Wake-Up Threshold l 2.400 2.492 V VOUT Regulated Output Voltage (LTC3388-3) 2.8V Output Selected; D1 = 0, D0 = 0 Sleep Threshold l 2.816 2.912 V Wake-Up Threshold l 2.688 2.784 V 3.0V Output Selected; D1 = 0, D0 = 1 Sleep Threshold l 3.016 3.105 V Wake-Up Threshold l 2.895 2.984 V 3.3V Output Selected; D1 = 1, D0 = 0 Sleep Threshold l 3.316 3.399 V Wake-Up Threshold l 3.201 3.284 V 5.0V Output Selected; D1 = 1, D0 = 1 Sleep Threshold l 5.016 5.180 V Wake-Up Threshold l 4.820 4.984 V PGOOD Threshold As a Percentage of the Selected VOUT 83 92 % VOL, PGOOD PGOOD Output Low Voltage 100µA Into Pin l 0.2 V IVOUT Output Quiescent Current LTC3388-1: VOUT = 2.5V 60 nA LTC3388-3: VOUT = 5.0V 120 nA IPEAK PMOS Switch Peak Current l 100 150 210 mA IOUT Available Output Current l 50 mA RP, BUCK PMOS Switch On-Resistance 1.1 Ω RN, BUCK NMOS Switch On-Resistance 1.3 Ω Maximum Duty Cycle l 100 % 338813fa For more information www.linear.com/LTC3388 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 Applications Information Typical Application Related Parts