LTC4401-2EMS8#TR Linear Technology, LTC4401-2EMS8#TR Datasheet - Page 16
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LTC4401-2EMS8#TR
Manufacturer Part Number
LTC4401-2EMS8#TR
Description
IC RF PWR CNTRL 800MHZ-2GHZ8MSOP
Manufacturer
Linear Technology
Datasheet
1.LTC4401-1ES6TR.pdf
(16 pages)
Specifications of LTC4401-2EMS8#TR
Rf Type
Cellular, GSM, GPRS, PCS, Wireless Modem, TDMA
Frequency
300MHz ~ 2GHz
Features
Dual Output
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
LTC4401-2EMS8TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LTC4401-1/LTC4401-2
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16
TYPICAL
®
1615
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
APPLICATION
DESCRIPTION
Inductorless Step-Down DC/DC Converter
SIM Power Supply and Level Translator
Step-Up DC/DC Converter
Inverting DC/DC Converter
Low Noise Charge Pump with LDO
SOT-23 Li-Ion Battery Charger
Low Dropout, Low Noise Linear Regulator
Step-Down DC/DC Converter
Low Noise, Inductorless Buck Controller
Low Noise Charge Pump
White LED Driver
Step-Up DC/DC Converter
SIM Power Supply
Low Noise Charge Pump
Charge Pump for White LED
Step-Up DC/DC Converter
Step-Up DC/DC Converter
Step-Down DC/DC Converter
1.5MHz, 250mA ThinSOT Buck Converter
RF Power Controller in ThinSOT
RF Power Detector in ThinSOT
V
IN
0.1 F
Li-Ion
68
SHDN
BSEL
U
LTC4401-2 Dual Band Cellular Telephone Transmitter
V
SHDN
BSEL
GND
CC
LTC4401-2
www.linear.com
DAC
PCTL
V
V
PCA
PCB
RF
900MHz
1.8GHz/
1.9GHz
33pF
COMMENTS
600kHz, Up to 100mA, 25% Higher Efficiency Than Linear Regulator
Generates 1.8V, 3V or 5V; >10kV ESD on All SIM Contact Pins
ThinSOT, Low 20 A Quiescent Current, V
ThinSOT, Low 20 A Quiescent Current, V
60 V
Up to 700mA Charge Current, Only Two External Components
ThinSOT, 300mV Dropout at 100mA, 20 V
Integrated Synchronous Operation, Up to 95% Efficiency, 1A Switch Current.
2.7V V
ThinSOT, 90 V
ThinSOT, 1.2MHz DC/DC Constant-Current LED Driver, Dimming Control
Dual Output for LCD Bias, Low Quiescent Current of 20 A, 1.2V V
ThinSOT, 3V and 5V, Ultralow Supply Current of 14 A, <0.92cm
2MHz Switching Frequency Allows Small Size Capacitors, I
2.5% Less Input Current than Doubler Charge Pump, I
Synchronous Rectification, Up to 97% Efficiency, 1A Switch Current, 3MHz
Synchronous Rectification, Up to 97% Efficiency, 2A Switch Current, 3MHz
1.4MHz Synchronous Rectification, 10 A Quiescent Current
Up to 96% Efficiency, 2.5V V
450kHz Loop BW and 45dB Dynamic Range
>40dB Dynamic Range, 300MHz to 3GHz, Buffered Detector Output
RMS
IN
Output Noise, Small MSOP Package
RF PA
RF PA
5.5V, I
RMS
OUT
Output Noise (100kHz BW), I
250mA, 1.5MHz, 8-Pin MSOP
DIRECTIONAL
COUPLER
IN
5.5V, No Schottky Diode
IN
IN
RMS
50
DIPLEXER
as Low as 1V, 300mA I
as Low as 1V, 300mA I
LT/TP 0204 1K REV A • PRINTED IN THE USA
LINEAR TECHNOLOGY CORPORATION 2001
Output Noise (10Hz to 100kHz)
OUT
4401 TA03
Up to 30mA
OUT
OUT
125mA
Up to 100mA
2
PCB
OUT
OUT
IN
15V
4401fa