LT1581CT7-2.5 Linear Technology, LT1581CT7-2.5 Datasheet - Page 2

• Manufacturer Part Number: LT1581CT7-2.5
• Description: IC LDO REGULATOR 10A 2.5V TO2207
• Manufacturer: Linear Technology

Specifications of LT1581CT7-2.5

• Applications: Converter, Intel Pentium®
• Voltage - Input: 1.68 ~ 6 V
• Number Of Outputs: 1
• Voltage - Output: 2.5V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-7 (Bent and Staggered Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

100% Thermal Limit Functional Test
ABSOLUTE
LT1581/LT1581-2.5
(Note 1)
V
V
Operating Junction Temperature Range
Storage Temperature ............................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
PRECONDITIONING
temperature range, otherwise specifications are at T
PARAMETER
Output Voltage:
Reference Voltage: LT1581
(V
Line Regulation: LT1581-2.5
Load Regulation: LT1581-2.5
Minimum Load Current: LT1581
Control Pin Current: LT1581-2.5
(Note 5)
Control Pin Current: LT1581
(Note 5)
Ground Pin Current: LT1581-2.5
Adjust Pin Current: LT1581 (V
Current Limit:
Ripple Rejection: LT1581-2.5
Thermal Regulation
Thermal Resistance, Junction-to-Case
2
ELECTRICAL CHARACTERISTICS
POWER
CONTROL
ADJ
Control Section ...................................... 0 C to 125 C
Power Transistor ................................... 0 C to 150 C
= 0V)
Input Voltage ................................................ 6V
Input Voltage ........................................... 13V
U
LT1581
LT1581 (V
LT1581-2.5
LT1581 (V
LT1581
LT1581-2.5
W
MAXIMUM
ADJ
ADJ
ADJ
U U
= 0V)
= 0V)
= 0V) V
W W
CONDITIONS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
I
V
V
30ms Pulse
Control Circuitry/Power Transistor
OUT
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
ADJ
= 4A, T
= 0V, I
RATINGS
= 5V, V
= 4V to 12V, V
= 4V to 12V, V
= 2.75V, V
= 2.7V to 12V, V
= 2.7V to 12V, V
= 3.65V to 12V, V
= 2.5V to 12V, V
= 5V, V
= 2.75V, V
= 5V, V
= 5V, V
= 5V, V
= 5V, V
= 5V, V
= 2.75V, V
= 2.75V, V
= 2.75V, V
= 2.75V, V
= 5V, V
= 2.75V, V
= 5V, V
= 2.75V, V
= V
= V
J
OUT
POWER
= 25 C
POWER
= 4A, T
U
POWER
POWER
POWER
POWER
POWER
POWER
POWER
POWER
POWER
A
= 5V Avg, V
= 3.75V Avg, V
POWER
POWER
POWER
POWER
POWER
POWER
POWER
POWER
= 25 C. (Note 2)
J
= 3.3V, I
= 3.3V, I
= 3.3V, V
= 3.3V, I
= 3.3V, I
= 3.3V, I
= 3.3V, I
= 3.3V, I
= 3.3V, V
POWER
POWER
= 25 C
POWER
POWER
POWER
The
= 2V, I
= 2.1V, I
= 2.05V, I
= 2.05V, I
= 2.05V, I
= 2.05V, I
= 2.05V, I
= 2.05V, V
POWER
= 3V to 5.5V, I
= 3.3V to 5.5V, I
RIPPLE
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 1.75V to 5.5V, I
= 2.05V to 5.5V, I
= 1.75V to 5.5V, I
ADJ
denotes specifications which apply over the full operating
LOAD
= 3V to 5.5V, I
OUT
RIPPLE
LOAD
LOAD
LOAD
= 0V (Note 4)
LOAD
LOAD
LOAD
= 0mA
= 0mA to 10A
= 100mA
= 4A
= 7A
= 10A
= 0mA
PACKAGE/ORDER
= 1V
Consult factory for Industrial and Military grade parts.
= 100mV
= 10mA
OUT
= 10mA to 10A
OUTPUT
= 1V
= 100mA
= 4A
= 7A
= 10A
= 10mA
TAB IS
*PIN2 = NC FOR LT1581CT7, GND FOR LT1581CT7-2.5
P-P
= 100mV
LOAD
, f
P-P
LOAD
RIPPLE
LOAD
, f
LOAD
LOAD
LOAD
= 0mA to 4A
RIPPLE
7-LEAD PLASTIC TO-220
= 0mA to 10A
= 10mA
= 120Hz,
= 0mA to 4A
= 0mA to 10A
= 10mA
FRONT VIEW
T7 PACKAGE
JA
= 120Hz,
= 50 C/ W
7
6
5
4
3
2
1
NC
V
SENSE
ADJUST
POWER
2.485
2.475
2.475
1.243
1.237
1.237
INFORMATION
10.1
10.1
MIN
V
OUTPUT
NC/GND*
55
60
U
CONTROL
0.65/2.50
2.500
2.500
2.500
1.250
1.250
1.250
0.004
TYP
20
40
70
20
40
70
60
11
11
80
80
1
1
1
1
3
5
5
6
LT1581CT7
LT1581CT7-2.5
ORDER PART
W
NUMBER
2.515
2.525
2.525
1.257
1.263
1.263
0.020
MAX
100
170
100
170
120
10
10
10
50
10
50
10
3
3
5
UNITS
U
%/W
C/W
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
dB
dB
V
V
V
V
V
V
A
A
A