LTC3719 LINER [Linear Technology], LTC3719 Datasheet - Page 32

• Manufacturer Part Number: LTC3719
• Description: 2-Phase, High Efficiency, Step-Down Controller for AMD Opteron CPUs
• Manufacturer: LINER [Linear Technology]

LTC3719
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PART NUMBER
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LTC1438-ADJ
LTC1538-AUX
LTC1539
LTC1628/LTC1628-PG Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
LTC1629/LTC1629-PG PolyPhase High Efficiency Controller
LTC1702A/LTC1703
LTC1708-PG
LTC1709-7
LTC1709-8/LTC1709-9 2-Phase High Efficiency Controller with 5-Bit VID and Power Good Indication
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LTC1736
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LTC3728
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Adaptive Power and No R
32
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulators POR, Auxiliary Regulator
Dual Synchronous Controller with Auxiliary Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators
Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
with 5-Bit VID and Power Good Indication
2-Phase High Efficiency Controller with 5-Bit Mobile VID and Power Good
Indication (0.9V V
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller with 5-Bit VID
2A Monolithic Battery Charger
No R
Dual Battery Charger/Selector with SPI Interface
2-Phase High Efficiency Controller with 5-Bit VID and Power Good Indication
DDR Memory Termination Regulators (V
Dual 2-Phase 550kHz Step-Down Synchronous Controller
550kHz PolyPhase Step-Down Synchronous Controller
3-Phase Step-Down Synchronous Controller (VRM 9.0/9.1)
SENSE
SENSE
FAX: [phone] www.linear.com
are a trademarks of Linear Technology Corporation.
TM
Synchronous Current Mode Step-Down Controller
OUT
2V)
TT
Supply)
COMMENTS
Adaptive Power
POR, External Feedback Divider
Auxiliary Regulator, 5V Standby
5V Standby, POR, Low Battery, Aux Regulator
Constant Frequency, Standby, 5V and 3.3V LDOs
Expandable Up to 12 Phases, G-28, Up to 120A
500kHz, 25MHz GBW, Error Amplifer
1.3V V
Accurate Current Sharing, 3.5V V
Burst Mode Operation and Cycle Skip Low
Current Modes, 3.5V V
VID Tables VRM 8.4 and VRM9.0, I
Burst Mode Operation, 16-Pin Narrow SSOP,
Fault Protection, 3.5V V
Output Fault Protection, Power Good, GN-24,
3.5V V
CC/CV Switching DC/DC Converter, 5% Charge
Accuracy, Adapter Current Limit for Maximum
Charge Current
No Sense Resistor Required, 4V V
0.8V V
Adjustable Output Up to 40A, G-28
Extends Run Time by 10%, Reduces Charging
Time by 50%, 36-Lead SSOP
0.6V V
Precision Regulation, Up to 20A, Small PCB Area
Up to 550kHz per Phase, Dual Output, I
Up to 550kHz per Phase, Up to 12-Phase
Operation, I
600kHz per Phase, 5-Bit VID, 5% Accurate
Current Sharing, I
OUT
IN
OUT
OUT
OUT
36V, 0.925V V
LINEAR TECHNOLOGY CORPORATION 2001
3.5V, Current Mode Ensures
V
1.75V, I
TM
= 20A per Phase
IN
OUT
Mode, 24-Pin SSOP
, SSOP-16
LT/TP 0503 1K • PRINTED IN USA
OUT
60A
IN
IN
40A
36V
OUT
36V
OUT
IN
2V
IN
sn3719 3719fs
OUT
36V
36V,
40A
20A