LTC3831EGN-1#TRPBF Linear Technology, LTC3831EGN-1#TRPBF Datasheet - Page 20

• Manufacturer Part Number: LTC3831EGN-1#TRPBF
• Description: IC CTRLR SW REG SYNC DDR 16SSOP
• Manufacturer: Linear Technology

Specifications of LTC3831EGN-1#TRPBF

• Applications: Controller, DDR
• Voltage - Input: 3 ~ 8 V
• Number Of Outputs: 1
• Voltage - Output: 0.4 ~ 4 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS compliant by exemption

LTC3831-1
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PART NUMBER
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No R
20
SENSE
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
Dual High Efficiency 2-Phase Synchronous Step-Down Controller 550kHz, 25MHz GBW Voltage Mode, V
Dual 550kHz Synchronous 2-Phase Switching Regulator
Controller with Mobile VID
Dual 550kHz Synchronous 2-Phase Switching Regulator
Controller with 5-Bit VID Plus LDO
2-Phase, 5-Bit Desktop VID Synchronous Step-Down Controllers
Synchronous Step-Down Controller with 5-Bit Mobile VID Control Fault Protection, Power Good, 3.5V to 36V Input, Current Mode
Wide Operating Range/Step-Down Controller, No R
Dual Synchronous Switching Regulator with 5-Bit Desktop VID
with Mobile VID
3A, Monolithic Synchronous Regulator for DDR/QDR
Memory Termination
Dual, 2-Phase, No R
Low Input Voltage, High Power, No R
Synchronous Controller
Wide Operating Range, No R
Wide V
Bus termination Supply for Low Votlage V
High Power Synchronous Switching Regulator Controller
for DDR Memory Termination
High Power Synchronous Switching Regulator Controller
IN
Step-Down Controller for DDR Memory Termination
SENSE
Synchronous Controller with Tracking
SENSE
www.linear.com
, Step-Down Controller
SENSE
IN
, Step-Down
SENSE
COMMENTS
LTC1702 with Mobile VID for Portable Systems
Provides Core, I/O and CLK Supplies for Portable Systems
Current Mode, V
V
1.3V to 3.5V Programmable Core Output Plus I/O Output
Current Mode Ensures Accurate Current Sensing V
I
Low R
(Sink and Source), V
Programmable Output Voltage Up/Down Tracking, Very Fast
Transient Response, 5V V
Minimum V
MOSFETs
V
Ceramic C
Current Mode Operation, V
Tracks V
Output Current Limit
1.5V V
2A I
V
V
OUT
IN
IN
OUT
OUT
Up to 36V, Current Mode, Power Good
Up to 36V, Current Mode, Power Good, Stable with
Up to 40A
Tracks 1/2 of V
as low as 0.6V
OUT
DS(ON)
IN
IN
OUT
, Generates 5V Gate Drive for Standard N-Ch MOSFETs,
(V
IN
25A
Internal Switch: 85m , 3A Output Current
DDQ
: 1.5V, Uses Standard Logic-Level N-Channel
IN
), No R
to 36V, I
OUT
IN
or External Reference
SENSE
= V
OUT
OUT
IN
REF
, Symmetrical Sink and Source
LINEAR TECHNOLOGY CORPORATION 2004
= 1/2 V
/2
Up to 42A, Various VID Tables
36V
IN
IN
LT/TP 0304 1K • PRINTED IN USA
, V
OUT
7V, No R
(V
TT
IN
)
SENSE
Up to 36V,
TM
IN
38311f
36V