LT1084CK-5(RevB) Ver la hoja de datos (PDF) - Linear Technology
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LT1084CK-5 Datasheet PDF : 12 Pages
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LT1083/84/85 Fixed
ABSOLUTE MAXIMUM RATINGS
Power Dissipation............................... Internally Limited
Input Voltage (Note 1) ............................................. 30V
Operating Input Voltage
3.3V, 3.6V Devices ............................................ 20V
5V Devices ........................................................ 20V
12V Devices ...................................................... 25V
Operating Junction Temperature Range
“C” Grades
Control Section ............................... 0°C to 125°C
Power Transistor ............................. 0°C to 150°C
“M” Grades
Control Section ........................... –55°C to 150°C
Power Transistor ......................... –55°C to 200°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
Note 1: Although the devices maximum operating voltage is limited, (20V
for a 3V, 5V device, and 25V for a 12V device) the devices are guaranteed
to withstand transient input voltages up to 30V. For input voltages greater
than the maximum operating input voltage some degradation of
specifications will occur. For input/output voltage differentials greater than
15V, a minimum external load of 5mA is required to maintain regulation.
PRECONDITIONING
100% Thermal Limit Functional Test.
PACKAGE/ORDER INFORMATION
VIN
CASE IS
OUTPUT
2
1
GND
K PACKAGE
2-LEAD TO-3 METAL CAN
θJA = 35°C/W
ORDER PART NUMBER
LT1083CK-5 LT1084MK-5
LT1083CK-12 LT1084MK-12
LT1083MK-5 LT1085CK-5
LT1083MK-12 LT1085CK-12
LT1084CK-5 LT1085MK-5
LT1084CK-12 LT1085MK-12
TAB IS
OUTPUT
FRONT VIEW
3
2
1
P PACKAGE
3-LEAD TO-3P PLASTIC
θJA = 45°C/W
ORDER PART NUMBER
VIN
LT1083CP-5
LT1083CP-12
VOUT
LT1084CP-5
GND
LT1084CP-12
TAB IS
OUTPUT
FRONT VIEW
3
2
1
T PACKAGE
3-LEAD PLASTIC TO-220
θJA = 50°C/W
VIN
VOUT
GND
LT1084CT-3.3
LT1084CT-5
LT1084CT-12
LT1085CT-3.3
LT1085CT-3.6
LT1085CT-5
LT1085CT-12
Consult factory for Industrial grade parts.
FRONT VIEW
TAB IS
OUTPUT
3
VIN
2
VOUT
1
GND
M PACKAGE
3-LEAD PLASTIC DD
θJA = 30°C/W*
* WITH PACKAGE SOLDERED TO 0.52IN2
COPPER AREA OVER BACKSIDE GROUND
PLANE OR INTERNAL POWER PLANE. θJA CAN
VARY FROM 20°C/W TO > 40°C/W DEPENDING
ON MOUNTING TECHNIQUE.
LT1085CM-3.3
LT1085CM-3.6
ELECTRICAL CHARACTERISTICS
PARAMETER
Output Voltage
CONDITIONS
LT1084-3.3
LT1085-3.3
LT1085-3.6
IOUT = 0mA, TJ = 25°C, VIN = 8V (K Package Only)
0 ≤ IOUT ≤ 5A, 4.8V ≤ VIN ≤ 15V (Note 8)
VIN = 5V, IOUT = 0mA, TJ = 25°C (K Package Only)
4.8V ≤ VIN ≤ 15V, 0 ≤ IOUT ≤ 3A (Note 8)
VIN = 5V, IOUT = 0mA, TJ = 25°C (K Package Only)
5V ≤ VIN ≤ 15V, 0 ≤ IOUT ≤ 3A (Note 8)
5V ≤ VIN ≤ 15V, 0 ≤ IOUT ≤ 3A, TJ ≥ 0°C (Note 8)
2
MIN TYP MAX UNITS
3.270 3.300 3.330
V
q 3.235 3.300 3.365
V
3.270 3.300 3.330
V
q 3.235 3.300 3.365
V
3.564 3.600 3.636
V
q 3.500
3.672
V
3.528
3.672
V
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