Datasheet

11
LT1581/LT1581-2.5
TYPICAL APPLICATION
U
2.5V/10A Regulator
T7 Package
7-Lead Plastic TO-220 (Standard)
(LTC DWG # 05-08-1422)
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
1581 TA03
+
+
+
C2
220µF
10V
V
POWER
3
4
1
V
SS
6
V
CONT
5
3.3V
5V
RTN
SENSE
V
OUT
ADJ
R1
110Ω
1%
V
OUT
= 2.5V
LT1581
C3
22µF
25V
C4
0.33µF
R2
110Ω
1%
C1
100µF
10V
+
V
CC
100µF
10V
× 2
1µF
25V
× 10
MICROPROCESSOR
SOCKET
0.040 – 0.060
(1.016 – 1.524)
0.026 – 0.036
(0.660 – 0.914)
T7 (TO-220) (FORMED) 1197
0.135 – 0.165
(3.429 – 4.191)
0.700 – 0.728
(17.780 – 18.491)

0.045 – 0.055
(1.143 – 1.397)
0.165 – 0.180
(4.191 – 4.572)
0.095 – 0.115 
(2.413 – 2.921)
0.013 – 0.023
(0.330 – 0.584)
0.620
(15.75)
TYP

0.155 – 0.195
(3.937 – 4.953)
0.152 – 0.202
(3.860 – 5.130)

0.260 – 0.320
(6.604 – 8.128)

0.147 – 0.155
(3.734 – 3.937)
DIA
0.390 – 0.415
(9.906 – 10.541)
0.330 – 0.370
(8.382 – 9.398)
0.460 – 0.500
(11.684 – 12.700)
0.570 – 0.620
(14.478 – 15.748)
0.230 – 0.270
(5.842 – 6.858)