LTC3738 Linear Technology, LTC3738 Datasheet - Page 32

• Manufacturer Part Number: LTC3738
• Description: 3-Phase Buck Controller
• Manufacturer: Linear Technology

www.DataSheet4U.com
LTC3738
RELATED PARTS
PART NUMBER
LTC1628/LTC1628-PG/ 2-Phase, Dual Output Synchronous Step-Down
LTC1628-SYNC
LTC1629/
LTC1629-PG
LTC1702
LTC1703
LTC1708-PG
LT
LT1709-8
LTC1735
LTC1736
LTC1778
LTC1929/
LTC1929-PG
LTC3708
LTC3711
LTC3717
LTC3719
LTC3729
LTC3731
LTC3732
LTC3733
LTC3734
LTC3735
No R
Opteron is a trademark of AMD Corporation.
32
®
1709/
SENSE
is a trademark of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
DC/DC Controllers
20A to 200A PolyPhase Synchronous Controllers
No R
Controller
No R
Controller with 5-Bit Mobile VID Control
2-Phase, Dual Synchronous Controller with Mobile VID
High Efficiency, 2-Phase Synchronous Step-Down
Switching Regulators with 5-Bit VID
High Efficiency Synchronous Step-Down
Switching Regulator
High Efficiency Synchronous Controller with 5-Bit Mobile Output Fault Protection, 24-Pin SSOP,
VID Control
No R
Controller
2-Phase Synchronous Controllers
2-Phase, Dual DC/DC Synchronous Buck Controller with
Output Tracking
No R
Controller with Digital 5-Bit Interface
DDR/QDR Memory Termination Regulator
2-Phase, 5-Bit VID Current Mode, High Efficiency
Synchronous Step-Down Controller
20A to 200A, 550kHz PolyPhase Synchronous Controller Expandable from 2-Phase to 12-Phase, Uses all Surface Mount
3-Phase, 600kHz Synchronous Buck
Switching Regulator Controller
3-Phase, 5-Bit VID, 600kHz Synchronous Buck
Switching Regulator Controller
3-Phase, 5-Bit VID, 600kHz Synchronous Buck
Switching Regulator Controller
Single Phase DC/DC Controller for Intel IMVP-4
Compatible Processors
2-Phase DC/DC Controller for Pentium (Centrino)
Processors
●
FAX: [phone]
SENSE
SENSE
SENSE
SENSE
TM
2-Phase Dual Synchronous Step-Down
Current Mode Synchronous Step-Down
Current Mode Synchronous Step-Down
2-Phase Dual Synchronous Step-Down
●
www.linear.com
COMMENTS
Reduces C
Expandable from 2-Phase to 12-Phase, Uses All
Surface Mount Components, No Heat Sink, V
550kHz, No Sense Resistor
Mobile Pentium
V
3.5V ≤ V
1.3V ≤ V
Accurate Current Sharing, 3.5V ≤ V
Output Fault Protection, 16-Pin SSOP
3.5V ≤ V
Up to 97% Efficiency, 4V ≤ V
I
Up to 42A, Uses All Surface Mount Components,
No Heat Sinks, 3.5V ≤ V
Tracks Two or More Supplies, Fast Transient Response, No R
Up to 97% Efficiency, Ideal for Pentium III Processors,
0.925V ≤ V
V
AMD Hammer-K8 Processors, Wide V
Components, V
Expandable from 3-Phase to 12-Phase, Uses all Surface Mount
Components, V
VRM9.0 and VRM9.1 (VID = 1.1V to 1.85V)
AMD Opteron
6-Bit IMVP-4 VID: 0.7V ≤ V
Lossless Voltage Positioning
40A, 0.7V ≤ V
3.5V ≤ V
OUT
IN
OUT
≤ 7V
up to 20A
= 0.5V
IN
OUT
IN
IN
IN
≤ 36V, VID Sets V
≤ 36V
OUT
≤ 36V, I
IN
≤ 3.5V, Current Mode Ensures
and C
TM
, ±20A, ±0.65% V
OUT
≤ 2V, 4V ≤ V
IN
IN
®
(VID = 0.8V to 1.55V)
III Processors, 550kHz,
up to 36V
up to 36V
≤1.708V, 4V ≤ V
OUT
OUT
, Power Good Output Signal, Synchronizable,
up to 20A, 0.8V ≤ V
IN
≤ 36V
OUT
IN
OUT1
IN
≤ 36V, I
≤ 36V, 0.8V ≤ V
≤ 1.708V, 4V ≤ V
OUT
© LINEAR TECHNOLOGY CORPORATION 2004
, PGOOD
IN
IN
Accuracy
≤ 30V
≤ 36V
IN
OUT
Range: 4V to 36V Operation
LT/TP 0604 1K • PRINTED IN USA
up to 20A
OUT
IN
up to 36V
OUT
≤ 5V
IN
≤ 30V, I
≤ (0.9)(V
OUT
IN
SENSE
),
≤ 25A,
3738f