LTC3720_15 Datasheet, PDF (24/24 Pages) Linear Technology – Single Phase VRM8.5 Current Mode Step-Down Controller

LTC3720
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PART NUMBER
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DESCRIPTION
Dual, 2-Phase Synchronous Step-Down Controller
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DDR Memory Termination Power Supply
Burst Mode is registered trademark of Linear Technology Corporation.
COMMENTS
Power Good Output, Minimum Input/Output Capacitors,
3.5V ≤ V_IN ≤ 36V
Synchronizable 150kHz to 300kHz
Up to 42A Outputs, Various VID Tables, Mobile, Desktop,
Server, 3.5V ≤ V_IN ≤ 36V
Burst Mode^TM Operation, 16-Pin Narrow SSOP,
3.5V ≤ V_IN ≤ 36V
Mobile VID, 0.925V ≤ V_OUT ≤ 2V, 3.5V ≤ V_IN ≤ 36V
Current Mode, 550kHz, Very Small Solution Size
Up to 95% Efficiency, 550kHz, 2.65V ≤ V_IN ≤ 8.5V,
0.8V ≤ V_OUT ≤ V_IN, Synchronizable to 750kHz
No Sense Resistor Required, 4V ≤ V_IN ≤ 36V,
0.8V ≤ V_OUT ≤ (0.9) V_IN
2.6V ≤ V_IN ≤ 36V, Power Good Output, 300kHz Operation
Current Mode,550kHz, Small 16-Pin SSOP, 2.5V ≤ V_IN < 9.8V
0.925V ≤ V_OUT ≤ 2V, V_IN up to 36V, 24-Pin GN
Phase Lockable Fixed Frequency from 250kHz to 550kHz,
5mm × 5mm QFN and SSOP Packages, Small Inductors and
Capacitors, Integrated MOSFET Drivers
IMVP III and VRM 9.0/9.1 Compliant, 600kHz per Phase,
I_OUT ≤ 60A, Integrated MOSFET Drivers
V_OUT = 1/2 V_IN, I_OUT up to 15A, 3V ≤ V_IN ≤ 8V, 700µA Supply
Current, 16-Pin SSOP Package
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
3720f
LT/TP 0203 2K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2002