LTC1504A
U
TYPICAL APPLICATIONS
SCSI-2 Active Terminator
High Efficiency 5V to 2.5V Converter with Current Limit
R
*
110Ω
IMAX
SHDN
•
•
I
SHDN
MAX
L
EXT
•
V
V
CC
5V
OUT
2.5V
110Ω
V
SW
CC
18
TO
27
LINES
NC
+
LTC1504A
GND
SS
1µF
C
IN
110Ω
110Ω
110Ω
MBRS0530L
11.8k
I
SHDN
FB
COMP
MAX
L
EXT
+
TERMPWR
V
SW
LTC1504A
GND FB
CC
C
OUT
4.7µF
CERAMIC
15k
12k
+
12.1k
7.5k
0.01µF
C
0.1µF
OUT
220pF
SS COMP
C
: AVX TPSE107M016R0125
: SANYO 16CV220GX
: COILCRAFT DO3316-473
IN
NC
1504A • TA03
7.5k
0.01µF
C
OUT
220pF
L
EXT
*SELECT R
VALUE USING CURRENT LIMIT THRESHOLD GRAPH ON PAGE 3
IMAX
C
OUT
: AVX TPSC107M006R0150
1504A • TA04
L : SUMIDA CD54-470
EXT
U
Dimensions is inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.189 – 0.197*
(4.801 – 5.004)
7
5
8
6
0.228 – 0.244
(5.791 – 6.197)
0.010 – 0.020
(0.254 – 0.508)
× 45°
0.053 – 0.069
(1.346 – 1.752)
0.150 – 0.157**
(3.810 – 3.988)
0.004 – 0.010
(0.101 – 0.254)
0.008 – 0.010
(0.203 – 0.254)
0°– 8° TYP
0.016 – 0.050
0.406 – 1.270
0.050
(1.270)
TYP
0.014 – 0.019
(0.355 – 0.483)
1
3
4
2
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
SO8 0996
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
Nonsynchronous, Better Low Load Efficiency
LTC1174
600mA, High Efficiency Step-Down Converter
LTC1430
High Power Step-Down DC/DC Controller
5V to 1.xV – 3.xV Voltage Conversion for High End Processors
Nonsynchronous, Better Low Load Efficiency
LTC1433/LTC1434
LTC1474
450mA, Low Noise Current Mode Step-Down Converters
Low Quiescent Current, High Efficiency Step-Down Converter 10µA Standy Current, 92% Efficiency, MSOP Package
LT1507
1.5A, 500kHz Monolithic Buck Regulator
Nonsynchronous, 1.5A Max Current
LTC1627
Monolithic Synchronous Step-Down Switching Regulator
2.65V to 8.5V Input Range, 95% Efficiency, SO-8 Package
1504afs, sn1504a LT/TP 1098 4K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1997
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
12
●
●
(408)432-1900 FAX:(408)434-0507 www.linear-tech.com