Datasheet LT3071 (Analog Devices) - 9

LT3071
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Ripple Rejection IN Pin Ripple Rejection Minimum BIAS Voltage vs V vs V vs Temperature IN – VOUT , 1V/2.5A IN – VOUT , 1V/1A
120 120 4.0 50mVP-P RIPPLE ON VIN 50mV I P-P RIPPLE ON VIN OUT = 5A VOUT = 1.8V 110 110 C C 3.8 V OUT = 117μF OUT = 117μF OUT = 1.2V 100 V 100 V V BIAS = 2.5V BIAS = 2.5V 3.6 OUT = 0.8V 90 TA = 25°C 90 TA = 25°C 3.4 80 80 RIPPLE AT f = 10kHz RIPPLE AT f = 10kHz 70 70 3.2 60 60 3.0 RIPPLE AT f = 1MHz PSRR (dB) 50 RIPPLE AT f = 1MHz PSRR (dB) 50 2.8 40 RIPPLE AT f = 100kHz 40 RIPPLE AT f = 100kHz 2.6 30 30 MINIMUM BIAS VOLTAGE (V) 2.4 20 20 10 10 2.2 0 0 2.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 –75 –50 –25 0 25 50 75 100 125 150 175 AVERAGE INPUT/OUTPUT DIFFERENTIAL (V) AVERAGE INPUT/OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) 3071 G37 3071 G38 3071 G39
Minimum BIAS Voltage vs IOUT Minimum BIAS Voltage vs VOUT Load Regulation
3.6 V 3.4 0 IN = VOUT(NOMINAL) + 300mV I ∆V OUT = 5A 3.4 OUT = –1%, TJ = 25°C 3.2 T V J = 25°C OUT = 1.8V –2 3.2 VOUT = 1.5V V 3.0 OUT = 1.2V TAGE (V) V 3.0 OUT = 0.8V TO 1V TAGE (V) 2.8 –4 2.8 2.6 2.6 2.4 –6 VIN = VOUT(NOMINAL) + 300mV VBIAS = 3.3V 2.4 2.2 LOAD REGULATION (mV) ∆IOUT = 100mA TO 5A MINIMUM BIAS VOL MINIMUM BIAS VOL –8 VOUT = 0.8V 2.2 2.0 VOUT = 1.2V VOUT = 1.8V 2.0 1.8 –10 0 1 2 3 4 5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 –75 –50 –25 0 25 50 75 100 125 150 175 OUTPUT CURRENT (A) OUTPUT VOLTAGE (V) TEMPERATURE (°C) 3071 G41 3071 G40 3071 G42
Bias Voltage Line Regulation Bias Voltage Line Regulation Input Voltage Line Regulation
800 400 300 VBIAS = 2.2V TO 3.6V VBIAS = 3.25V TO 3.6V VBIAS = 3.3V V) 700 VIN = 1.1V V) 300 VIN = 2.1V VIN = 1.05V TO 2.7V VOUT = 0.8V VOUT = 1.8V 250 VOUT = 0.8V I I I TION (µ 600 OUT = 10mA TION (µ 200 OUT = 10mA OUT = 10mA 500 100 200 400 0 150 300 –100 TAGE LINE REGULA TAGE LINE REGULA 100 200 –200 50 BIAS VOL 100 BIAS VOL –300 INPUT VOLTAGE LINE REGULATION (µV) 0 –400 0 –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) 3071 G43 3071 G44 3071 G45 3071fc For more information www.linear.com/LT3071 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts