LTC1555 Linear Technology, LTC1555 Datasheet - Page 12

• Manufacturer Part Number: LTC1555
• Description: SIM Power Supply and Level Translator
• Manufacturer: Linear Technology

LTC1555/LTC1556
TYPICAL
RELATED PARTS
12
PART NUMBER
LTC1514-3.3/LTC1514-5
LTC1515 Series
LTC1516
LTC1517-5
LTC1522
LTC1550-4.1
LTC660
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 [phone]
FAX: [phone] TELEX: 499-3977 www.linear-tech.com
APPLICATION
CONTROLLER
3V GSM
V
CC
DESCRIPTION
Regulated Step-Up/Step-Down Charge Pumps with Low Bat Comparator 3.3V and 5V Output Versions
Regulated Step-Up/Step-Down Charge Pumps with Reset Output
Micropower, Regulated 5V Charge Pump DC/DC Converter
Micropower, Regulated 5V Charge Pump DC/DC Converter
Micropower, Regulated 5V Charge Pump DC/DC Converter
Low Noise, Charge Pump Voltage Inverter
100mA Charge Pump DC/DC Converter
3V
U
10
1
2
3
4
5
6
7
8
9
CIN
RIN
DATA
DDRV
EN
FB
DV
SS
M1
M0
LTC1556
CC
SIM Interface with Auxilary Power
GND
GND
LDO
RST
CLK
C1
C1
V
V
I/O
CC
IN
+
–
20
19
18
17
16
15
14
13
12
11
0.1 F
2.7V TO 10V
+
V
IN
10 F
+
COMMENTS
Adjustable, 3V/5V, 3.3V/5V Versions
I
LTC1522 Without Shutdown and
Packaged in SOT-23
I
1mV
5V to – 5V at 100mA
10 F
10 F
OUT
OUT
P-P
= 20mA (V
= 20mA (V
4.3V
50mA
AUXILIARY LDO/POWER SWITCH
(FREQUENCY SYNTHESIZER)
CLK
RST
I/O
V
5V 5%
I
GND
Ripple at 900kHz
VCC
CC
SIM
10mA
1555/56 TA02
IN
IN
LINEAR TECHNOLOGY CORPORATION 1997
15556f LT/TP 0398 4K • PRINTED IN USA
2V), I
3V), I
OUT
Q
= 6 A
= 50mA (V
IN
3V)