Datasheet LTC3388-1, LTC3388-3 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 20V High Efficiency Nanopower Step-Down Regulator |
| Pages / Page | 22 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| File Format / Size | PDF / 381 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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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
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
