Datasheet LT3050 (Analog Devices) - 8

LT3050 Series
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current Reverse Output Current Input Ripple Rejection
1.0 50 90 ALL PINS GROUNDED EXCEPT FOR OUT VOUT = VADJ = 1.2V CREF/BYP = 10nF 0.9 45 VIN = 0 80 CREF/BYP = 100pF C 0.8 REF/BYP = 0 40 70 0.7 35 60 0.6 30 50 (μA) 0.5 25 I OUT 40 0.4 20 CURRENT(μA) 30 0.3 15 IADJ RIPPLE REJECTION (dB) I 0.2 20 L = 100mA 10 COUT = 10μF 0.1 5 10 VOUT = 5V IOUT VIN = 5.8V + 50mVRMS RIPPLE 0 0 0 0 10 20 30 40 50 –75 –50 –25 0 25 50 75 100 125 150 175 10 100 1K 10K 100K 1M 10M VOUT (V) TEMPERATURE (°C) FREQUENCY (Hz) 3050 G16 3050 G17 3050 G18
Input Ripple Rejection Ripple Rejection vs Temperature Minimum Input Voltage
90 100 2.2 COUT = 10μF C I OUT = 10µF L =100mA 80 C 90 2.0 OUT = 2.2μF CREF/BYP = 10nF 1.8 70 80 1.6 70 60 TAGE (V) 1.4 60 50 1.2 50 40 1.0 40 0.8 30 30 0.6 RIPPLE REJECTION (dB) 20 IL = 100mA INPUT RIPPLE REJECTION (dB) C 20 I MINIMUM INPUT VOL REF/BYP = 100pF L = 100mA 0.4 10 VOUT = 5V 10 VOUT = 5V 0.2 VIN = 5.8V + 50mVRMS RIPPLE VIN = 5.8V + 0.5VP-P RIPPLE AT f = 120Hz 0 0 0 10 100 1K 10K 100K 1M 10M –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 3050 G19 3050 G19a 3050 G20
Load Regulation Load Regulation Load Regulation
4 –0 –0 ΔIL = 1mA TO 100mA –3 –5 3 VOUT = 0.6V VIN = 2.2V –6 –10 2 –9 –15 –12 1 –20 TION (mV) TION (mV) –15 TION (mV) 0 –25 –18 –30 –1 –21 –35 –24 LOAD REGULA –2 LOAD REGULA LOAD REGULA –27 –40 ΔIL = 1mA TO 100mA ΔIL = 1mA TO 100mA –3 –30 VOUT = 3.3V –45 VOUT = 5V VIN = 3.9V VIN = 5.6V –4 –33 –50 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3050 G21 3050 G21a 3050 G21b 3050fa 8 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 PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS