LTC3831 Datasheet, PDF (20/20 Pages) Linear Technology – High Power Synchronous Switching Regulator Controller for DDR Memory Termination

LTC3831
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LTC1530
LTC1628 Family
LTC1702
LTC1703
High Power Synchronous Switching Regulator Controller
Dual High Efficiency 2-Phase Synchronous Step-Down Controllers
Dual High Efficiency 2-Phase Synchronous Step-Down Controller
Dual 550kHz Synchronous 2-Phase Switching Regulator
Controller with Mobile VID
SO-8 with Current Limit. No R_SENSE^TM required
Constant Frequency, Standby 5V and 3.3V LDOs, 3.5V ≤ V_IN ≤ 36V
550kHz, 25MHz GBW Voltage Mode, V_IN ≤ 7V, No R_SENSE
LTC1702 with Mobile VID for Portable Systems
LTC1705
Dual 550kHz Synchronous 2-Phase Switching Regulator
Controller with 5-Bit VID Plus LDO
Provides Core, I/O and CLK Supplies for Portable Systems
LTC1709 Family 2-Phase, 5-Bit Desktop VID Synchronous Step-Down Controllers Current Mode, V_IN to 36V, I_OUT Up to 42A, Various VID Tables
LTC1736
Synchronous Step-Down Controller with 5-Bit Mobile VID Control Fault Protection, Power Good, 3.5V to 36V Input, Current Mode
LTC1753
5-Bit Desktop VID Programmable Synchronous
Switching Regulator
1.3V to 3.5V Programmable Output Using Internal 5-Bit DAC
LTC1778
LTC1873
Wide Operating Range/Step-Down Controller, No R_SENSE
Dual Synchronous Switching Regulator with 5-Bit Desktop VID
V_IN Up to 36V, Current Mode, Power Good
1.3V to 3.5V Programmable Core Output Plus I/O Output
LTC1929
LTC3413
LTC3713
2-Phase, Synchronous High Efficiency Converter
with Mobile VID
3A, Monolithic Synchronous Regulator for DDR/QDR
Memory Termination
Low Input Voltage, High Power, No R_SENSE, Step-Down
Synchronous Controller
Current Mode Ensures Accurate Current Sensing V_IN Up to 36V,
I_OUT Up to 40A
Low R_DS(ON) Internal Switch: 85mΩ, ±3A Output Current
(Sink and Source), V_OUT = V_REF/2
Minimum V_IN: 1.5V, Uses Standard Logic-Level N-Channel
MOSFETs
LTC3778
LTC3717
Wide Operating Range, No R_SENSE, Step-Down Controller
Wide V_IN Step-Down Controller for DDR Memory Termination
V_IN Up to 36V, Current Mode, Power Good, Stable with
Ceramic C_OUT
Current Mode Operation, V_OUT = 1/2 V_IN, V_OUT (V_TT)
Tracks V_IN (V_DDQ), No R_SENSE, Symmetrical Sink and Source
Output Current Limit
LTC3718
Bus termination Supply for Low Votlage V_IN
LTC3832
High Power Synchronous Switching Regulator Controller
No R_SENSE is a trademark of Linear Technology Corporation.
1.5V ≤ V_IN, Generates 5V Gate Drive for Standard N-Ch MOSFETs,
2A ≤ I_OUT ≤ 25A
V_OUT as low as 0.6V
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
3831f
LT/TP 0503 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2001