LTC3809-1
24
38091fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2005
LT 1108 REV C • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1628/LTC3728 Dual High Effi ciency, 2-Phase Synchronous Step Down Controllers Constant Frequency, Standby, 5V and 3.3V LDOs, V
IN
to 36V,
LTC1735 High Effi ciency Synchronous Step-Down Controller Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V ≤ V
IN
≤ 36V
LTC1773 Synchronous Step-Down Controller 2.65V ≤ V
IN
≤ 8.5V, I
OUT
Up to 4A, 10-Lead MSOP
LTC1778 No R
SENSE
, Synchronous Step-Down Controller Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V
IN
≤ 36V
LTC1872 Constant Frequency Current Mode Step-Up Controller 2.5V ≤ V
IN
≤ 9.8V, SOT-23 Package, 550kHz
LTC3411 1.25A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, V
IN
: 2.5V to 5.5V, V
OUT
= 0.8V, I
Q
= 60μA,
I
SD
= <1μA, MS Package
LTC3412 2.5A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, V
IN
: 2.5V to 5.5V, V
OUT
= 0.8V, I
Q
= 60μA,
I
SD
= <1μA, TSSOP-16E Package
LTC3416 4A, 4MHz, Monolithic Synchronous Step-Down Regulator Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V
IN
≤ 5.5V, 20-Lead TSSOP Package
LTC3418 8A, 4MHz, Monolithic Synchronous Regulator Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V
IN
≤ 5.5V, QFN Package
LTC3701 2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller 2.5V ≤ V
IN
≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
LTC3708 2-Phase, No R
SENSE
, Dual Synchronous Controller with
Output Tracking
Constant On-Time Dual Controller, V
IN
Up to 36V, Very Low
Duty Cycle Operation, 5mm × 5mm QFN Package
LTC3736/LTC3736-2 2-Phase, No R
SENSE
, Dual Synchronous Controller with
Output Tracking
2.75V ≤ V
IN
≤ 9.8V, 0.6V ≤ V
OUT
≤ V
IN
, 4mm × 4mm QFN
LTC3736-1 Low EMI, 2-Phase, No R
SENSE
, Dual Synchronous Controller with
Output Tracking
Integrated Spread Spectrum for 20dB Lower “Noise,”
2.75V ≤ V
IN
≤ 9.8V
LTC3737 2-Phase, No R
SENSE
, Dual DC/DC Controller with Output Tracking
2.75V ≤ V
IN
≤ 9.8V, 0.6V ≤ V
OUT
≤ V
IN
, 4mm × 4mm QFN
LTC3772 Micropower, No R
SENSE
, Constant Frequency Step-Down Controller 40μA No-Load IQ, Non-Synchronous, 2.75V ≤ V
IN
≤ 9.8V,
550kHz, 3mm × 2mm DFN or 8-Lead TSOT-23 Packages.
LTC3776 Dual, 2-Phase, No R
SENSE
, Synchronous Controller for DDR/QDR
Memory Termination
Provides V
DDQ
and V
TT
with One IC, 2.75V ≤ V
IN
≤ 9.8V,
Adjustable Constant Frequency with PLL Up to 850kHz,
Spread Spectrum Operation, 4mm × 4mm QFN and 24-Lead
SSOP Packages
LTC3808 No R
SENSE
, Low EMI, Synchronous Controller with Output Tracking
2.75V ≤ V
IN
≤ 9.8V, 4mm × 3mm DFN, Spread Spectrum for
20dB Lower Peak Noise
LTC3809 No R
SENSE
, Low EMI, Synchronous DC/DC Controller
2.75V ≤ V
IN
≤ 9.8V, 3mm × 3mm DFN and 10-Lead MSOPE
Packages, Spread Spectrum for 20dB Lower Peak Noise
PolyPhase is a trademark of Linear Technology Corporation.
