LT1585A 데이터 시트보기 (PDF) - Linear Technology
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LT1585A Datasheet PDF : 12 Pages
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LT1585A/LT1585A-3.3
ABSOLUTE MAXIMUM RATINGS
VIN ............................................................................. 7V
Operating Junction Temperature Range
Control Section.................................... 0°C to 125°C
Power Transistor ................................. 0°C to 150°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PRECONDITIONI G
100% Thermal Limit Functional Test
PACKAGE/ORDER INFORMATION
FRONT VIEW
3
2
1
ORDER PART
NUMBER
VIN
VOUT
LT1585ACT
ADJ
T PACKAGE
3-LEAD PLASTIC TO-220
θJA = 50°C/W
Consult factory for Industrial and Military grade parts.
FRONT VIEW
3
2
1
T PACKAGE
3-LEAD PLASTIC TO-220
θJA = 50°C/W
ORDER PART
NUMBER
VIN
VOUT
LT1585ACT-3.3
GND
ELECTRICAL CHARACTERISTICS
PARAMETER
Reference Voltage LT1585A
Output Voltage LT1585A-3.3
Line Regulation LT1585A
(Notes 1, 2)
LT1585A-3.3
CONDITIONS
(VIN – VOUT) = 3V, TJ = 25°C, IOUT = 10mA
1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ 5A
VIN = 5V, TJ = 25°C, IOUT = 0mA
4.75V ≤ VIN ≤ 7V, 0mA ≤ IOUT ≤ 5A
2.75V ≤ VIN ≤ 7V, IOUT = 10mA
4.75V ≤ VIN ≤ 7V, IOUT = 0mA
Load Regulation LT1585A
(Notes 1, 2, 3) LT1585A-3.3
(VN – VOUT) = 3V, TJ = 25°C, 10mA ≤ IOUT ≤ IFULL LOAD
VIN = 5V, TJ = 25°C, 0mA ≤ IOUT ≤ IFULL LOAD
Dropout Voltage LT1585A
LT1585A-3.3
∆VREF = 1%, IOUT = 3A
∆VOUT = 1%, IOUT = 3A
LT1585A
LT1585A-3.3
∆VREF = 1%, IOUT = 5A
∆VOUT = 1%, IOUT = 5A
Current Limit
(Note 3)
LT1585A
LT1585A-3.3
(VIN – VOUT) = 5.5V
(VIN – VOUT) = 5.5V
Adjust Pin Current LT1585A
Adjust Pin Current LT1585A
Change (Note 3)
Minimum
Load Current
LT1585A
Quiescent Current LT1585A-3.3
1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ IFULL LOAD
1.5V ≤ (VIN – VOUT) ≤ 5.75V
VIN = 5V
MIN
TYP
MAX
UNITS
1.238 (–1%) 1.250 1.262 (+1%)
V
q 1.225 (–2%) 1.250 1.275 (+2%)
V
3.267 (–1%) 3.300 3.333 (+1%)
V
q 3.235 (– 2%) 3.300 3.365 (+ 2%)
V
q
0.005
0.2
%
0.05
0.3
%
q
0.05
0.5
%
q
1.150 1.300
V
q
1.200 1.400
V
q
5.0
6.0
A
q
55
120
µA
q
0.2
5
µA
q
2
10
mA
q
8
13
mA
2
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