LTC3822-1_15 Datasheet, PDF (24/24 Pages) Linear Technology – No RSENSE, Low Input Voltage, Synchronous Step-Down DC/DC Controller

LTC3822-1
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC1628/LTC3728 Dual High Efficiency, 2-Phase Synchronous Step Down
Controllers
Constant Frequency, Standby, 5V and 3.3V LDOs, V_IN to 36V,
28-Lead SSOP
LTC1735
LTC1778
LTC3411
LTC3412
LTC3416
LTC3418
LTC3708
High Efficiency Synchronous Step-Down Controller
No R_SENSE, Synchronous Step-Down Controller
1.25A (I_OUT), 4MHz, Synchronous Step-Down DC/DC
Converter
2.5A (I_OUT), 4MHz, Synchronous Step-Down DC/DC
Converter
4A, 4MHz, Monolithic Synchronous Step-Down Regulator
8A, 4MHz, Synchronous Step-Down Regulator
2-Phase, No R_SENSE, Dual Synchronous Controller with
Output Tracking
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V ≤ V_IN ≤ 36V
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V_IN ≤ 36V
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT ≥ 0.8V, I_Q = 60µA,
I_SD = <1µA, MS Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT ≥ 0.8V, I_Q = 60µA,
I_SD = <1µA, TSSOP-16E Package
Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V_IN ≤ 5.5V, 20-Lead TSSOP Package
Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V_IN ≤ 5.5V, QFN Package
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
LTC3737
Low EMI 2-Phase, Dual Synchronous Controller with
Output Tracking
2-Phase, No R_SENSE, Dual DC/DC Controller with Output
Tracking
Integrated Spread Spectrum for 20dB Lower “Noise,”
2.75V ≤ V_IN ≤ 9.8V
2.75V ≤ V_IN ≤ 9.8V, 0.6V ≤ V_OUT ≤ V_IN, 4mm × 4mm QFN
LTC3772/LTC3772B
LTC3776
Micropower No R_SENSE Step-Down DC/DC Controller
2.75V ≤ V_IN ≤ 9.8V, 3mm × 2mm DFN or 8-Lead SOT-23,
Dual, 2-Phase, No R_SENSE Synchronous Controller for DDR/ Provides V_DDQ and V_TT with One IC, 2.75V ≤ V_IN ≤ 9.8V, Adjustable
QDR Memory Termination
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
LTC3822
No R_SENSE Low Input Voltage, All N-Channel MOSFET,
Synchronous Step-Down DC/DC Controller
2.75V ≤ V_IN ≤ 9.8V, 3mm × 3mm DFN and 10-Lead MSOPE Packages
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 3V ≤ V_IN ≤ 8V, 500kHz, S8, S16 and SSOP-16 Packages
Voltages (3V to 8V)
LTC3836
Dual No R_SENSE Low Input Voltage, All N-Channel MOSFET, 2.75V ≤ V_IN ≤ 4.5V, 0.6V ≤ V_OUT ≤ V_IN, 4mm × 5mm QFN and
Synchronous Step-Down DC/DC Controller
28-Lead SSOP Packages
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
38221f
LT 1006 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2006