Datasheet LT3012 (Analog Devices) - 3

LT3012
ELECTRICAL CHARACTERISTICS (LT3012E) The
l
denotes the specifi cations which apply over the –40°C to 125°C operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ILOAD = 250mA l 4 4.75 V ADJ Pin Voltage (Notes 2, 3) VIN = 4V, ILOAD = 1mA 1.225 1.24 1.255 V 4.75V < VIN < 80V, 1mA < ILOAD < 250mA l 1.2 1.24 1.28 V Line Regulation ΔVIN = 4V to 80V, ILOAD = 1mA (Note 2) l 0.1 5 mV Load Regulation (Note 2) VIN = 4.75V, ΔILOAD = 1mA to 250mA 7 12 mV VIN = 4.75V, ΔILOAD = 1mA to 250mA l 25 mV Dropout Voltage ILOAD = 10mA 160 230 mV VIN = VOUT(NOMINAL) (Notes 4, 5) ILOAD = 10mA l 300 mV ILOAD = 50mA 250 340 mV ILOAD = 50mA l 420 mV ILOAD = 250mA 400 490 mV ILOAD = 250mA l 620 mV GND Pin Current ILOAD = 0mA l 40 100 μA VIN = 4.75V (Notes 4, 6) ILOAD = 100mA 3 mA ILOAD = 250mA l 10 18 mA Output Voltage Noise COUT = 10μF, ILOAD = 250mA, BW = 10Hz to 100kHz 100 μVRMS ADJ Pin Bias Current (Note 7) 30 100 nA Shutdown Threshold VOUT = Off to On l 1.3 2 V VOUT = On to Off l 0.3 0.8 V SHDN Pin Current (Note 8) VSHDN = 0V 0.3 2 μA VSHDN = 6V 0.1 1 μA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 1 5 μA Ripple Rejection VIN = 7V(Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 250mA 65 75 dB Current Limit VIN = 7V, VOUT = 0V 400 mA VIN = 4.75V, ΔVOUT = –0.1V (Note 2) l 250 mA Reverse Output Current (Note 9) VOUT = 1.24V, VIN < 1.24V (Note 2) 12 25 μA
ELECTRICAL CHARACTERISTICS (LT3012H) The
l
denotes the specifi cations which apply over the –40°C to 140°C operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ILOAD = 200mA l 4 4.75 V ADJ Pin Voltage (Notes 2, 3) VIN = 4V, ILOAD = 1mA 1.225 1.24 1.255 V 4.75V < VIN < 80V, 1mA < ILOAD < 200mA l 1.2 1.24 1.28 V Line Regulation ΔVIN = 4V to 80V, ILOAD = 1mA (Note 2) l 0.1 5 mV Load Regulation (Note 2) VIN = 4.75V, ΔILOAD = 1mA to 200mA 6 12 mV VIN = 4.75V, ΔILOAD = 1mA to 200mA l 30 mV Dropout Voltage ILOAD = 10mA 160 230 mV VIN = VOUT(NOMINAL) (Notes 4, 5) ILOAD = 10mA l 320 mV ILOAD = 50mA 250 340 mV ILOAD = 50mA l 450 mV ILOAD = 200mA 360 490 mV ILOAD = 200mA l 630 mV GND Pin Current ILOAD = 0mA l 40 110 μA VIN = 4.75V (Notes 4, 6) ILOAD = 100mA 3 mA ILOAD = 200mA l 7 18 mA 3012fd 3