10
LTC1555/LTC1556
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
GN Package
16-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
GN16 (SSOP) 1197
* 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)
0.025
(0.635)
BSC
11
LTC1555/LTC1556
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
GN Package
20-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
0.337 – 0.344*
(8.560 – 8.737)
GN20 (SSOP) 1197
* 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
8910
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
1617181920
15
14
13
12 11
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)
0.025
(0.635)
BSC
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.
12
LTC1555/LTC1556
15556f LT/TP 0398 4K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1997
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
TELEX: 499-3977
www.linear-tech.com
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1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CIN
RIN
DATA
DDRV
EN
FB
DV
CC
SS
M1
M0
CLK
RST
I/O
V
CC
5V ±5%
I
VCC
10mA
CLK
RST
I/O
LDO
V
CC
V
IN
C1
+
C1
GND
GND
0.1µF
10µF
LTC1556
3V GSM
CONTROLLER SIM
V
IN
2.7V TO 10V
3V
10µF
1555/56 TA02
V
CC
GND
+
10µF
4.3V
50mA
AUXILIARY LDO/POWER SWITCH
(FREQUENCY SYNTHESIZER)
+
TYPICAL APPLICATION
U
SIM Interface with Auxilary Power

LTC1555IGN

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators LTC1555 - SIM Power Supplyand Level Translator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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