Datasheet LTC3410 (Analog Devices) - 4

LTC3410
W U TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1 Except for the Resistive Divider Resistor Values) Reference Voltage vs Oscillator Frequency vs Oscillator Frequency vs Temperature Temperature Supply Voltage
0.814 2.7 2.7 V V IN = 3.6V IN = 3.6V 2.6 2.6 0.809 2.5 2.5 0.804 2.4 2.4 2.3 2.3 0.799 2.2 2.2 0.794 2.1 2.1 REFERENCE VOLTAGE (V) 2.0 2.0 0.789 OSCILLATOR FREQUENCY (MHz) OSCILLATOR FREQUENCY (MHz) 1.9 1.9 0.784 1.8 1.8 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 2 3 4 5 6 TEMPERATURE (°C) TEMPERATURE (°C) SUPPLY VOLTAGE (V) 3410 G05 3410 G06 3410 G07
Output Voltage vs Load Current RDS(ON) vs Input Voltage RDS(ON) vs Temperature
1.0 1.2 1.2 VIN = 3.6V 1.1 V V IN = 4.2V OUT = 1.8V VIN = 3.6V 1.0 1.0 0.5 0.9 VIN = 2.7V 0.8 MAIN SWITCH 0.8 ) 0 Ω Ω ( 0.7 ( 0.6 0.6 ERROR (%) V DS (ON) 0.5 DS (ON) IN = 4.2V –0.5 R SYNCHRONOUS SWITCH R OUTV 0.4 0.4 VIN = 3.6V VIN = 2.7V 0.3 –1.0 0.2 0.2 MAIN SWITCH 0.1 SYNCHRONOUS SWITCH –1.5 0 0 0 100 200 300 400 500 1 2 3 4 5 6 7 –50 –30 –10 10 30 50 70 90 110 130 LOAD CURRENT (mA) INPUT VOLTAGE (V) TEMPERATURE (°C) 3410 G08 3410 G09 3410 G10
Dynamic Supply Current Dynamic Supply Current vs VIN vs Temperature Switch Leakage vs Temperature
50 50 110 V VOUT = 1.2V 100 IN = 5.5V RUN = 0V ILOAD = 0A 90 µA) 40 µA) 40 80 70 SYNCHRONOUS 30 30 60 SWITCH 50 20 20 40 SWITCH LEAKAGE (nA) 30 MAIN 10 10 20 SWITCH DYNAMIC SUPPLY CURRENT ( DYNAMIC SUPPLY CURRENT ( 10 0 0 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 V TEMPERATURE (°C) TEMPERATURE (°C) IN (V) 3410 G11 3410 G12 3410 G13 3410fb 4