
LTC1555L-1.8
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com
LINEAR TECHNOLOGY CORPORATION 2000
1555l18f LT/TP 0601 2K PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIO
U
PART NUMBER
DESCRIPTION
COMMENTS
LTC1555/LTC1556
SIM Power Supply and Level Translator
VIN = 2.7V to 10V; Step-Up/-Down Charge Pump
LTC1555L
SIM Power Supply and Level Translator
VIN = 2.6V to 6V; Step-Up/-Down Charge Pump; DVCC as low as 1.425V
LTC1755
Smart Card Interface
VIN = 2.7V to 6V; 24-Pin SSOP Package; IQ = 60A
LTC1756
Smart Card Interface
VIN = 2.7V to 6V; 16-Pin SSOP Package; IQ = 75A
LTC1986
3V/5V SIM Power Supply in SOT-23
VIN = 2.6V to 4.4V; IQ = 14A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CIN
RIN
DATA
DDRV
DVCC
M2
M1
M0
CLK
RST
I/O
VCC = 1.8V,3V
IVCC = 6mA
GND
CLK
RST
I/O
VCC
VIN
C1+
C1–
GND
0.1
F
1
F
LTC1555L-1.8
WCDMA
CONTROLLER
SIM
VIN
2.6V TO 6V
1.425V TO 4.4V
2.2
F
1555L TA02
VCC
WCDMA Cellular Telephone SIM Interface
GN16 (SSOP) 1098
* 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
12
3
4
5
6
7
8
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
16 15 14 13
0.189 – 0.196*
(4.801 – 4.978)
12 11 10 9
0.016 – 0.050
(0.406 – 1.270)
0.015
± 0.004
(0.38
± 0.10)
× 45°
0
° – 8° TYP
0.007 – 0.0098
(0.178 – 0.249)
0.053 – 0.068
(1.351 – 1.727)
0.008 – 0.012
(0.203 – 0.305)
0.004 – 0.0098
(0.102 – 0.249)
0.0250
(0.635)
BSC
0.009
(0.229)
REF
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
GN Package
16-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)