Datasheet LT1584, LT1585, LT1587 (Analog Devices) - 4

LT1584/LT1585/LT1587
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Dropout Voltage LT1584 ∆VREF = 1%, IOUT = 7A LT1584-3.3 ∆VOUT = 1%, IOUT = 7A LT1584-3.38 ∆VOUT = 1%, IOUT = 7A LT1584-3.45 ∆VOUT = 1%, IOUT = 7A LT1584-3.6 ∆VOUT = 1%, IOUT = 7A ● 1.250 1.400 V LT1584IT-3.3 TJ < 25°C ● 1.250 1.500 V Current Limit LT1584 (VIN – VOUT) = 3V (Note 4) LT1584-3.3 (VIN – VOUT) = 3V LT1584-3.38 (VIN – VOUT) = 3V LT1584-3.45 (VIN – VOUT) = 3V LT1584-3.6 (VIN – VOUT) = 3V ● 7.100 8.250 A LT1585 (VIN – VOUT) = 5.5V LT1585-3.3 (VIN – VOUT) = 5.5V TJ ≥ 25°C ● 4.600 5.25 A TJ < 25°C ● 4.100 5.25 A LT1585-3.38 (VIN – VOUT) = 5.5V LT1585-3.45 (VIN – VOUT) = 5.5V LT1585-3.6 (VIN – VOUT) = 5.5V ● 4.100 4.750 A LT1587 (VIN – VOUT) = 5.5V LT1587-3.3 (VIN – VOUT) = 5.5V LT1587-3.45 (VIN – VOUT) = 5.5V LT1587-3.6 (VIN – VOUT) = 5.5V ● 3.100 3.750 A Adjust Pin Current LT1584/5/7 ● 55 120 µA Adjust Pin Current LT1584 1.5V ≤ (VIN – VOUT) ≤ 3V, 10mA ≤ IOUT ≤ IFULL LOAD Change (Note 4) LT1585/7 1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ IFULL LOAD ● 0.2 5 µA Minimum LT1584/5/7 1.5V ≤ (VIN – VOUT) ≤ 5.75V ● 2 10 mA Load Current Quiescent Current LT1584/5/7-3.3 VIN = 5V LT1584/5-3.38 VIN = 5V LT1584/5/7-3.45 VIN = 5V LT1584/5/7-3.6 VIN = 5V ● 8 13 mA LT1584IT-3.3 VIN = 5V ● 8 15 mA Ripple Rejection LT1584 f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 2.5V, IOUT = 7A LT1584-3.3 f = 120Hz, COUT = 25µF Tant., VIN = 5.8V, IOUT = 7A LT1584-3.38 f = 120Hz, COUT = 25µF Tant., VIN = 5.88V, IOUT = 7A LT1584-3.45 f = 120Hz, COUT = 25µF Tant., VIN = 5.95V, IOUT = 7A LT1584-3.6 f = 120Hz, COUT = 25µF Tant., VIN = 6.1V, IOUT = 7A LT1585 f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 3V, IOUT = 4.6A, TJ ≥ 25°C f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 3V, IOUT = 4A, TJ < 25°C LT1585-3.3 f = 120Hz, COUT = 25µF Tant., VIN = 6.3V, IOUT = 4.6A, TJ ≥ 25°C f = 120Hz, COUT = 25µF Tant., VIN = 6.3V, IOUT = 4A, TJ < 25°C LT1585-3.38 f = 120Hz, COUT = 25µF Tant., VIN = 6.38V, IOUT = 4A LT1585-3.45 f = 120Hz, COUT = 25µF Tant., VIN = 6.45V, IOUT = 4A LT1585-3.6 f = 120Hz, COUT = 25µF Tant., VIN = 6.6V, IOUT = 4A LT1587 f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 3V, IOUT = 3A LT1587-3.3 f = 120Hz, COUT = 25µF Tant., VIN = 6.3V, IOUT = 3A LT1587-3.45 f = 120Hz, COUT = 25µF Tant., VIN = 6.45V, IOUT = 3A LT1587-3.6 f = 120Hz, COUT = 25µF Tant., VIN = 6.6V, IOUT = 3A ● 60 72 dB 158457a 4