LTC1553LCSW#TRM Linear Technology, LTC1553LCSW#TRM Datasheet - Page 20

• Manufacturer Part Number: LTC1553LCSW#TRM
• Manufacturer: Linear Technology

Specifications of LTC1553LCSW#TRM

• Lead Free Status / RoHS Status: Not Compliant

RELATED PARTS
PART NUMBER DESCRIPTION
LTC1142
LTC1148
LTC1149
LTC1159
LTC1266
LTC1430
LTC1435
LTC1438
LTC1553
LTC1553L
PACKAGE
20
(0.229 – 0.330)
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 [phone]
FAX: [phone] TELEX: 499-3977 www.linear-tech.com
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
0.009 – 0.013
**
*
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
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
Current Mode Dual Step-Down Switching Regulator Controller
Current Mode Step-Down Switching Regulator Controller
Current Mode Step-Down Switching Regulator Controller
Current Mode Step-Down Switching Regulator Controller
Current Mode Step-Up/Down Switching Regulator Controller
High Power Step-Down Switching Regulator Controller
High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
5-Bit Programmable Synchronous Switching Regulator
Controller for Pentium II Processor
DESCRIPTION
(0.254 – 0.737)
0.010 – 0.029
NOTE 1
(7.391 – 7.595)
0.291 – 0.299**
(0.406 – 1.270)
0.016 – 0.050
45
U
20-Lead Plastic Small Outline (Wide 0.300)
Dimension in inches (millimeters) unless otherwise noted.
0 – 8 TYP
(LTC DWG # 05-08-1620)
NOTE 1
(2.362 – 2.642)
0.093 – 0.104
SW Package
(1.270)
0.050
TYP
20
1
(0.356 – 0.482)
0.014 – 0.019
COMMENTS
Dual Version of LTC1148
Synchronous, V
Synchronous, V
Synchronous, V
Synchronous N- or P-Channel FETs, Comparator/Low-Battery Detector
Synchronous N-Channel FETs, Voltage Mode
Drive Synchronous N-Channel, V
Dual LTC1435 with Power-On Reset
High Voltage Version of LTC1553L
19
2
TYP
18
3
17
(12.598 – 13.005)
4
0.496 – 0.512*
16
5
IN
IN
IN
15
6
20V
48V, for Standard Threshold FETs
40V, for Logic Threshold FETs
14
7
13
8
12
9
IN
LINEAR TECHNOLOGY CORPORATION 1998
11
10
36V
(0.940 – 1.143)
0.037 – 0.045
1553lf LT/TP 0198 4K • PRINTED IN USA
(0.102 – 0.305)
0.004 – 0.012
(10.007 – 10.643)
0.394 – 0.419
S20 (WIDE) 0396