Datasheet LT1585A, LT1585A-3.3 (Analog Devices) - 2

LT1585A/LT1585A-3.3
W W W U ABSOLUTE MAXIMUM RATINGS
VIN ... 7V Storage Temperature Range ... – 65°C to 150°C Operating Junction Temperature Range Lead Temperature (Soldering, 10 sec).. 300°C Control Section ... 0°C to 125°C
U U U
Power Transistor ... 0°C to 150°C
PRECONDITIONI G
100% Thermal Limit Functional Test
U W U PACKAGE/ORDER INFORMATION
FRONT VIEW ORDER PART FRONT VIEW ORDER PART NUMBER NUMBER 3 VIN 3 VIN TAB IS TAB IS 2 V LT1585ACT 2 V LT1585ACT-3.3 V OUT OUT OUT VOUT 1 ADJ 1 GND T PACKAGE T PACKAGE 3-LEAD PLASTIC TO-220 3-LEAD PLASTIC TO-220 θJA = 50°C/W, θJC = 3°C/W θJA = 50°C/W, θJC = 3°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specificatons which apply over the specified temperature range, otherwise specifications are at TA = 25
°
C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Reference Voltage LT1585A (VIN – VOUT) = 3V, TJ = 25°C, IOUT = 10mA 1.238 (–1%) 1.250 1.262 (+1%) V 1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ 5A ● 1.225 (–2%) 1.250 1.275 (+2%) V Output Voltage LT1585A-3.3 VIN = 5V, TJ = 25°C, IOUT = 0mA 3.267 (–1%) 3.300 3.333 (+1%) V 4.75V ≤ VIN ≤ 7V, 0mA ≤ IOUT ≤ 5A ● 3.235 (– 2%) 3.300 3.365 (+ 2%) V Line Regulation LT1585A 2.75V ≤ VIN ≤ 7V, IOUT = 10mA (Notes 1, 2) LT1585A-3.3 4.75V ≤ VIN ≤ 7V, IOUT = 0mA ● 0.005 0.2 % Load Regulation LT1585A (VN – VOUT) = 3V, TJ = 25°C, 10mA ≤ IOUT ≤ IFULL LOAD (Notes 1, 2, 3) LT1585A-3.3 VIN = 5V, TJ = 25°C, 0mA ≤ IOUT ≤ IFULL LOAD 0.05 0.3 % ● 0.05 0.5 % Dropout Voltage LT1585A ∆VREF = 1%, IOUT = 3A LT1585A-3.3 ∆VOUT = 1%, IOUT = 3A ● 1.150 1.300 V LT1585A ∆VREF = 1%, IOUT = 5A LT1585A-3.3 ∆VOUT = 1%, IOUT = 5A ● 1.200 1.400 V Current Limit LT1585A (VIN – VOUT) = 5.5V (Note 3) LT1585A-3.3 (VIN – VOUT) = 5.5V ● 5.0 6.0 A Adjust Pin Current LT1585A ● 55 120 µA Adjust Pin Current LT1585A 1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ IFULL LOAD ● 0.2 5 µA Change (Note 3) Minimum LT1585A 1.5V ≤ (VIN – VOUT) ≤ 5.75V ● 2 10 mA Load Current Quiescent Current LT1585A-3.3 VIN = 5V ● 8 13 mA 1585afa 2