Datasheet LTC3803-3 (Analog Devices) - 4

LTC3803-3
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Reference Voltage Reference Voltage Reference Voltage vs Temperature vs Supply Voltage vs VCC Shunt Regulator Current
820 801.0 804 VCC = 8V VCC b VCLAMP1mA 800.8 815 803 800.6 810 802 800.4 805 800.2 801 800 800.0 800 VOLTAGE (mV) 799.8 795 VOLTAGE (mV) VOLTAGE (mV) 799 FB FB V FB V 799.6 V 790 798 799.4 785 799.2 797 780 799.0 796 –60 –30 0 30 60 90 120 150 6 6.5 7 7.5 8 8.5 9 9.5 0 5 10 15 20 25 TEMPERATURE (°C) VCC SUPPLY VOLTAGE (V) ICC (mA) 38033 G01 38033 F02 38033 G03
Oscillator Frequency Oscillator Frequency Oscillator Frequency vs Temperature vs Supply Voltage vs VCC Shunt Regulator Current
330 330 330 VCC = 8V 320 320 320 310 310 310 300 300 300 290 290 290 OSCILLATOR FREQUENCY (kHz) 280 OSCILLATOR FREQUENCY (kHz) 280 OSCILLATOR FREQUENCY (kHz) 280 270 270 270 –60 –30 0 30 60 90 120 150 6 6.5 7 7.5 8 8.5 9 0 5 10 15 20 25 30 35 TEMPERATURE (°C) VCC SUPPLY VOLTAGE (V) ICC (mA) 38033 G04 38033 G05 38033 G06
VCC Undervoltage Lockout VCC Shunt Regulator Voltage ICC Supply Current Thresholds vs Temperature vs Temperature vs Temperature
9.0 10.0 350 VCC = 8V 8.5 V 9.9 V TURNON ITH/RUN = 1.3V 325 8.0 9.8 7.5 9.7 300 7.0 9.6 ICC = 25mA (V) 6.5 9.5 275 CCV 6.0 VTURNOFF 9.4 ICC = 1mA 250 5.5 9.3 SUPPLY CURRENT (μA) UNDERVOLTAGE LOCKOUT (V) 5.0 9.2 CC 225 V 4.5 9.1 4.0 9.0 200 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 38033 G07 38033 G08 38033 G09 38033fd 4 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS