Datasheet LT3070-1 (Analog Devices) - 4

LT3070-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. COUT = 15µF (Note 9), VIN = VOUT + 0.3V (Note 5), VBIAS = 2.5V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Ground Pin Current, IOUT = 10mA l 0.65 1.1 1.8 mA VIN = 1.3V, VOUT = 1V IOUT = 5A l 0.9 1.35 2.3 mA BIAS Pin Current in Nap Mode EN = Low l 120 200 320 µA BIAS Pin Current, IOUT = 10mA l 0.75 1.08 1.5 mA VIN = 1.3V, VOUT = 1V IOUT = 100mA l 1.25 1.8 2.4 mA IOUT = 500mA l 2.0 3.0 4.0 mA I l OUT = 1A 2.6 3.8 5.0 mA I l OUT = 2.5A 3.5 5.2 7.0 mA I l OUT = 5A 4.5 6.9 10.0 mA Current Limit (Note 5) VIN – VOUT < 0.3V, VBIAS = 3.3V l 5.1 6.4 7.7 A VIN – VOUT = 1.0V, VBIAS = 3.3V l 3.2 4.5 5.8 A VIN – VOUT = 1.7V, VBIAS = 3.3V l 1.2 2.5 4.3 A Reverse Output Current (Note 8) VIN = 0V, VOUT = 1.8V l 300 450 µA PWRGD VOUT Threshold Percentage of VOUT(NOMINAL), VOUT Rising l 87 90 93 % Percentage of VOUT(NOMINAL), VOUT Falling l 82 85 88 % PWRGD VOL IPWRGD = 200µA (Fault Condition) l 50 150 mV VBIAS Undervoltage Lockout VBIAS Rising l 1.1 1.55 2.1 V VBIAS Falling l 0.9 1.4 1.7 V VIN-VOUT Servo Voltage by VIOC l 250 300 350 mV VIOC Output Current VIN = VOUT(NOMINAL) + 150mV, Sourcing Out of the Pin l 160 235 310 µA VIN = VOUT(NOMINAL) + 450mV, Sinking Into the Pin l 170 255 340 µA VIL Input Threshold (Logic-0 State), Input Falling l 0.25 V VO2, VO1, VO0, MARGSEL, MARGTOL VIZ Input Range (Logic-Z State), l 0.75 VBIAS – 0.9 V VO2, VO1, VO0, MARGSEL, MARGTOL VIH Input Threshold (Logic-1 State), Input Rising l VBIAS – 0.25 V VO2, VO1, VO0, MARGSEL, MARGTOL Input Hysteresis (Both Thresholds), 60 mV VO2, VO1, VO0, MARGSEL, MARGTOL Input Current High, VIH = VBIAS = 2.5V, Current Flows Into Pin l 25 40 µA VO2, VO1, VO0, MARGSEL, MARGTOL Input Current Low, VIL = 0V, VBIAS = 2.5V, Current Flows Out of Pin l 25 40 µA VO2, VO1, VO0, MARGSEL, MARGTOL EN Pin Threshold VOUT = Off to On, VBIAS = 2.5V l 1.4 V VOUT = On to Off, VBIAS = 2.5V l 0.9 V VOUT = Off to On, VBIAS =2.2V to 3.6V l 0.56 • VBIAS V V l OUT = On to Off, VBIAS =2.2V to 3.6V 0.36 • VBIAS V EN Pin Logic High Current VEN = VBIAS = 2.5V l 2.5 4.0 6.5 µA Rev 0 4 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Application Related Parts