Datasheet

2
LT1580/LT1580-2.5
ABSOLUTE MAXIMUM RATINGS
W
WW
U
V
POWER
Input Voltage ................................................ 6V
V
CONTROL
Input Voltage ........................................... 13V
Storage Temperature ............................ –65°C to 150°C
Operating Junction Temperature Range
Control Section
LT1580C ........................................... 0°C to 125°C
LT1580I........................................ –40°C to 125°C
Power Transistor
LT1580C ........................................... 0°C to 150°C
LT1580I........................................ –40°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PRECONDITIONING
UUU
100% Thermal Limit Functional Test
ELECTRICAL CHARACTERISTICS
(Note 1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Voltage: LT1580-2.5 V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 0mA 2.485 2.500 2.515 V
V
CONTROL
= 4V to 12V, V
POWER
= 3V to 5.5V, I
LOAD
= 0mA to 4A ● 2.475 2.500 2.525 V
V
CONTROL
= 4V to 12V, V
POWER
= 3V to 5.5V, 2.475 2.500 2.525 V
I
LOAD
= 0mA to 7A, 0°C ≤ T
J
≤ 125°C
V
CONTROL
= 4V to 12V, V
POWER
= 3V to 5.5V, 2.460 2.500 2.525 V
I
LOAD
= 0mA to 6.5A, –40°C ≤ T
J
< 0°C
Reference Voltage: LT1580 V
CONTROL
= 2.75V, V
POWER
= 2V, I
LOAD
= 10mA 1.243 1.250 1.257 V
(V
ADJ
= 0V) V
CONTROL
= 2.7V to 12V, V
POWER
= 1.75V to 5.5V, I
LOAD
= 10mA to 4A ● 1.237 1.250 1.263 V
V
CONTROL
= 2.7V to 12V, V
POWER
= 2.05V to 5.5V, 1.237 1.250 1.263 V
I
LOAD
= 10mA to 7A, 0°C ≤ T
J
≤ 125°C
V
CONTROL
= 2.7V to 12V, V
POWER
= 2.05V to 5.5V, 1.232 1.250 1.263 V
I
LOAD
= 10mA to 6.5A, –40°C ≤ T
J
< 0°C
Line Regulation: LT1580-2.5 V
CONTROL
= 3.65V to 12V, V
POWER
= 3V to 5.5V, I
LOAD
= 10mA ● 13 mV
LT1580 V
CONTROL
= 2.5V to 12V, V
POWER
= 1.75V to 5.5V, I
LOAD
= 10mA ● 13 mV
PACKAGE/ORDER INFORMATION
W
U
U
ORDER PART
NUMBER
ORDER PART
NUMBER
LT1580CT
LT1580IT
LT1580CQ
LT1580IQ
ORDER PART
NUMBER
ORDER PART
NUMBER
LT1580CT7-2.5
LT1580IT7-2.5
LT1580CR-2.5
LT1580IR-2.5
Consult factory for Military grade parts.
θ
JA
= 30°C/W
R PACKAGE
7-LEAD PLASTIC DD
FRONT VIEW
NC
V
POWER
ADJ
V
OUT
V
CONTROL
GND
SENSE
7
6
5
4
3
2
1
TAB
IS
OUTPUT
θ
JA
= 30°C/ W
Q PACKAGE
5-LEAD PLASTIC DD
TAB
IS
OUTPUT
FRONT VIEW
V
POWER
V
CONTROL
V
OUT
ADJ
SENSE
5
4
3
2
1
θ
JA
= 50°C/ W
T PACKAGE
5-LEAD PLASTIC TO-220
V
POWER
V
CONTROL
V
OUT
ADJ
SENSE
FRONT VIEW
5
4
3
2
1
TAB
IS
OUTPUT
T7 PACKAGE
7-LEAD PLASTIC TO-220
NC
V
POWER
ADJ
V
OUT
V
CONTROL
GND
SENSE
FRONT VIEW
7
6
5
4
3
2
1
TAB
IS
OUTPUT
θ
JA
= 50°C/W