Datasheet LTC3105 (Analog Devices) - 4

LTC3105
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VAUX = VOUT = 3.3V, VLDO = 2.2V, VIN = 0.6V, unless otherwise noted. Minimum Input Start-Up Voltage Shutdown Thresholds vs Temperature vs Input Voltage IC Enable Delay vs Input Voltage
340 1000 120 900 320 IC ENABLE 800 100 300 700 280 600 IC DISABLE 500 80 260 Y TIME (µs) 400 DELA INPUT VOLTAGE (mV) 240 300 60 THRESHOLD VOLTAGE (mV) 200 220 100 200 0 40 –45 –30 –15 0 15 30 45 60 75 90 1.25 2.25 3.25 4.25 5.25 1.25 2.25 3.25 4.25 5.25 TEMPERATURE (°C) SUPPLY VOLTAGE, VIN OR VAUX (V) SUPPLY VOLTAGE, VIN OR VAUX (V) 3105 G01 3105 G02 3105 G03
MPPC Current Variation LDO Soft-Start Duration vs Temperature vs LDO Load
2.5 1.25 2.0 1.20 1.5 1.0 1.15 0.5 1.10 0 1.05 CHANGE FROM 25°C (%) –0.5 SOFT-START TIME (ms) 1.00 –1.0 –1.5 0.95 –45 –30 –15 0 15 30 45 60 75 90 1 2 3 4 5 6 TEMPERATURE (°C) LDO LOAD CURRENT (mA) 3105 G05 3105 G06
VOUT IQ vs Temperature During Shutdown VIN for Synchronous Operation
22 5.0 SHDN = 0V 20 4.5 NONSYNCHRONOUS 18 4.0 OPERATION 16 3.5 3.0 14 (µA) 2.5 I Q 12 2.0 10 SYNCHRONOUS 1.5 OPERATION 8 MAXIMUM INPUT VOLTAGE (V) 1.0 6 0.5 4 0 –45 –30 –15 0 15 30 45 60 75 90 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 TEMPERATURE (°C) OUTPUT VOLTAGE (V) 3105 G07 3105 G09 3105fb 4 For more information www.linear.com/LTC3105 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 Application Related Parts