Datasheet LTC1798 (Analog Devices) - 4

LTC1798 Series
TYPICAL PERFORMANCE CHARACTERISTICS LTC1798-2.5* Dropout Voltage LTC1798-2.5* LTC1798 Series Output Short-Circuit vs Output Source Current Input Current vs Temperature Current vs Temperature
100 8 70 V T OUTPUT 90 TA = 25°C IN = 2.7V A = 25°C 7 60 VIN = VOUT(NOM) + 0.2V SHORTED 80 TO GND 6 50 70 60 5 40 TAGE (mV) 50 4 30 40 3 20 30 INPUT CURRENT (µA) DROPOUT VOL 2 10 OUTPUT 20 SHORTED TO V 10 1 5 OUTPUT SHORT-CIRCUIT CURRENT (mA) IN 0 0 0 0 0.1 1 10 100 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 OUTPUT SOURCE CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1798 G01 1798 G02 1798 G03
LTC1798-2.5* Output Short-Circuit LTC1798-2.5* Output Short-Circuit LTC1798 Series Current vs Input Voltage Current vs Input Voltage Load Regulation
25 42 5 TA = 25°C T 4 A = 25°C OUTPUT SHORTED VIN = VOUT(NOM) + 0.2V 20 TO VIN 3 SINKING 2 15 1 0 SOURCING 10 –1 FROM NO LOAD (mV) –2 5 TA = 25°C ∆V OUT –3 OUTPUT SHORTED OUTPUT SHORT-CIRCUIT CURRENT (mA) OUTPUT SHORT-CIRCUIT CURRENT (mA) TO GND –4 0 41 –5 2 4 6 8 10 12 14 2 4 6 8 10 12 14 0 0.1 1 10 100 INPUT VOLTAGE (V) INPUT VOLTAGE (V) OUTPUT CURRENT (mA) 1798 G04 1798 G05 1798 G06
LTC1798-2.5* LTC1798-2.5* LTC1798-2.5 Output Voltage vs Input Voltage Input Current vs Input Voltage PSRR vs Frequency
2.5010 7 60 TA = 25°C TA = 25°C VIN = 2.7V 50 2.5005 6 40 30 2.5000 5 20 OUTPUT VOLTAGE (V) INPUT CURRENT (µA) 10 POWER SUPPLY REJECTION RATIO (dB) 2.4995 4 0 2 4 6 8 10 12 14 2 4 6 8 10 12 14 10 100 1k 10k INPUT VOLTAGE (V) INPUT VOLTAGE (V) FREQUENCY (Hz) 1798 G07 1798 G08 1798 G09 1798fc 4 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION AVAILABLE OPTIONS ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS