Datasheet
LTC3822-1
24
38221f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 1006 • 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,
28-Lead SSOP
LTC1735 High Effi ciency Synchronous Step-Down Controller Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V ≤ V
IN
≤ 36V
LTC1778 No R
SENSE
, Synchronous Step-Down Controller Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V
IN
≤ 36V
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, Synchronous Step-Down Regulator Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V
IN
≤ 5.5V, QFN Package
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, 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/LTC3772B Micropower No R
SENSE
Step-Down DC/DC Controller 2.75V ≤ V
IN
≤ 9.8V, 3mm × 2mm DFN or 8-Lead SOT-23,
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 Low EMI, Synchronous Controller with Output Tracking 2.75V ≤ V
IN
≤ 9.8V, 4mm × 3mm DFN, Spread Spectrum for
20dB Lower Peak Noise
LTC3809/LTC3809-1 No R
SENSE
Synchronous Controller with Output Tracking 2.75V ≤ V
IN
≤ 9.8V, 3mm × 3mm DFN and 10-Lead MSOPE Packages
LTC3822 No R
SENSE
Low Input Voltage, All N-Channel MOSFET,
Synchronous Step-Down DC/DC Controller
2.75V ≤ V
IN
≤ 4.5V, 0.6V ≤ V
OUT
≤ V
IN
, 10-Lead MS and 3mm × 3mm
DFN Packages
LTC3830 High Power Synchronous Step-Down Controller for Low
Voltages (3V to 8V)
3V ≤ V
IN
≤ 8V, 500kHz, S8, S16 and SSOP-16 Packages
LTC3836 Dual No R
SENSE
Low Input Voltage, All N-Channel MOSFET,
Synchronous Step-Down DC/DC Controller
2.75V ≤ V
IN
≤ 4.5V, 0.6V ≤ V
OUT
≤ V
IN
, 4mm × 5mm QFN and
28-Lead SSOP Packages