LTC3811_15 Datasheet, PDF (48/48 Pages) Linear Technology – High Speed Dual, Multiphase Step-Down DC/DC Controller

LTC3811
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC1628/LTC1628-PG/
LTC1628-SYNC
LTC1735
2-Phase, Dual Output Synchronous Step-Down
DC/DC Controller
High Efficiency Synchronous Step-Down Switching
Regulator
Reduces C_IN and C_OUT, Power Good Output Signal, Synchronizable,
3.5V ≤ V_IN ≤ 36V, I_OUT Up to 20A, 0.8V ≤ V_OUT ≤ 5V
Output Fault Protection, 16-Pin SSOP Package
LTC1778/LTC1778-1
LTC3708
No R_SENSE^TM Current Mode Synchronous Step-Down
Controllers
Dual, 2-Phase, DC/DC Controller with Output Tracking
Up to 97% Efficiency, 4V ≤ V_IN ≤ 36V, 0.8V ≤ V_OUT ≤ (0.9)(V_IN),
I_OUT Up to 20A
Current Mode, No RSENSE, Up/Down Tracking, Synchronizable
LTC3727/LTC3727A-1
LTC3728
2-Phase Dual Synchronous Controller
Dual, 550kHz, 2-Phase Synchronous Step-Down
Controller
0.8V ≤ V_OUT ≤ 14V; 4V ≤ V_IN ≤ 36V
Dual 180° Phased Controllers, V_IN 3.5V to 35V, 99% Duty Cycle,
5mm × 5mm QFN and SSOP-28 Packages
LTC3729
LTC3731
LTC3773
20A to 200A, 550kHz PolyPhase Synchronous
Controller
3- to 12-Phase Step-Down Synchronous Controller
Triple Output DC/DC Synchronous Controller
LTC3826/ LTC3826-1 Ultralow I_Q, Dual Output Synchronous Step-Down
DC/DC Controller
Expandable from 2-Phase to 12-Phase, Uses All Surface Mount
Components, V_IN Up to 36V
60A to 240A Output Current, 0.6V ≤ V_OUT ≤ 6V, 4.5V ≤ V_IN ≤ 32V
3-Phase Step-Down DC/DC Controller,
3.3V ≤ V_IN ≤ 36V, Fixed Frequency 160kHz to 700kHz
50μA I_Q, 0.8V ≤ V_OUT ≤ 10V, 4V ≤ V_IN ≤ 36V
LTC3827/LTC3827-1
Dual, Selectable 140kHz to 650kHz 2-Phase,
Synchronous Step-Down Controller
Low I_Q, V_IN from 4V to 36V, V_OUT from 0.8V to 10V, 5mm × 5mm
QFN32
LTC3828
Dual, 2-Phase Synchronous Step-Down Controller with Up to Six Phases, 0.8V ≤ V_OUT ≤ 7V, 4.5V ≤ V_IN ≤ 28V
Tracking
LTC3835/LTC3835-1
LT3845
Low I_Q Synchronous Step-Down Controller
Low I_Q, High Voltage Single Output Synchronous
Step-Down DC/DC Controller
Single Channel LTC3827/LTC3827-1
1.23V ≤ V_OUT ≤ 36V, 4V ≤ V_IN ≤ 60V, 120μA I_Q
LTC3850
Dual, 550kHz, 2-Phase Synchronous Step-Down
Controller
Dual 180° Phased Controllers, V_IN 4V to 24V, 97% Duty Cycle,
4mm × 4mm QFN-28, SSOP-28 Packages
No R_SENSE is a trademark of Linear Technology Corporation.
48 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3811f
LT 0807 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007