LTC1147-3.3 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1147-3.3' PDF : 16 Pages View PDF
LTC1147-3.3
LTC1147-5/LTC1147L
TYPICAL APPLICATION
CT
220pF
CC
3300pF
RC
1k
*COILTRONICS CTX20-4
**KRL SP-1/2-A1-OR050
3.3V/2A Output High Efficiency Regulator
VIN
4V TO 14V
0.1µF
Si4431DY
+ CIN
22µF
25V × 2
1
VIN
PDRIVE 8
2 CT
GND 7
LTC1147-3.3
3 ITH
SHDN 6
4 SENSE– SENSE+ 5
0.01µF
SHUTDOWN
L*
D1
20µH MBRS130LT3
+
RSENSE**
0.05Ω
COUT
220µF
10V
AVX
VOUT
LTC1147 • F12 3.3V/2A
PACKAGE DESCRIPTIO Dimensions in inches (millimeters) unless otherwise noted.
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.004 – 0.010
(0.101 – 0.254)
0.189 – 0.197*
(4.801 – 5.004)
8
7
6
5
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.050
(1.270)
TYP
0.228 – 0.244
(5.791 – 6.197)
1
2
34
0.150 – 0.157**
(3.810 – 3.988)
SO8 0996
RELATED PARTS
PART NUMBER
LTC1142
LTC1143
LTC1147
LTC1148
LTC1149
LTC1159
LTC1174
LTC1265
LTC1267
LTC1435
DESCRIPTION
Dual High Efficiency Synchronous Step-Down Switching Regulator
Dual High Efficiency Step-Down Switching Regulator Controller
High Efficiency Step-Down Switching Regulator Controller
High Efficiency Step-Down Switching Regulator Controller
High Efficiency Step-Down Switching Regulator
High Efficiency Step-Down Switching Regulator
High Efficiency Step-Down and Inverting DC/DC Converter
High Efficiency Step-Down DC/DC Converter
Dual High Efficiency Synchronous Step-Down Switching Regulators
High Efficiency Low Noise Synchronous Step-Down Switching Regulator
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
Dual Version of LTC1148
Dual Version of LTC1147
Nonsynchronous, 8-Lead, VIN ≤ 16V
Synchronous, VIN ≤ 20V
Synchronous, VIN ≤ 48V, for Standard Threshold FETs
Synchronous, VIN ≤ 40V for Logic Level MOSFETS
0.5A Switch, VIN ≤ 18.5V, Comparator
1.2A Switch, VIN ≤ 13V, Comparator
Dual Version of LTC1159
16-Pin Narrow SO/SSOP; Constant Frequency
sn1147 1147fds
LT/TP 0698 REV D 2K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1993
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