L6713A_0805 STMICROELECTRONICS [STMicroelectronics], L6713A_0805 Datasheet

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L6713A_0805

Manufacturer Part Number
L6713A_0805
Description
2/3/4 phase controller with embedded drivers for Intel VR11.1
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Features
Applications
Table 1.
May 2008
For further information contact your local STMicroelectronics sales office.
Load transient boost LTB Technology™ to
minimize the number of output capacitors
2 or 3-phase operation with internal driver
4-phase operation with external PWM driver
signal
PSI input with programmable strategy
Imon output
0.5 % output voltage accuracy
8 bit programmable output up to 1.60000 V -
Intel VR11.1 DAC - backward compatible with
VR10/VR11
Full differential current sense across inductor
Differential remote voltage sensing
Adjustable voltage offset
LSLess startup to manage pre-biased output
Feedback disconnection protection
Preliminary over voltage protection
Programmable over current protection
Programmable over voltage pretection
Adjustable switching frequency
SS_END and OUTEN signal
VFQFPN48 7 mm x 7 mm package with
exposed pad
High current VRM/VRD for desktop / server /
workstation CPUs
High density DC-DC converters
2/3/4 phase controller with embedded drivers for Intel VR11.1
Order codes
Device summary
L6716TR
L6716
VFQFPN48 7 mm x 7 mm
Package
Rev 1
Description
The device implements a two-to-four phases step-
down controller with three integrated high current
drivers in a compact 7x7 mm body package with
exposed pad.
Load transient boost LTB Technology™ reduces
system cost by providing the fastest response to
load transition therefore requiring less bulk and
ceramic output capacitors to satisfy load transient
requirements.
The device embeds VR11.x DACs: the output
voltage ranges up to 1.60000 V managing D-VID
with ± 0.5 % output voltage accuracy over line
and temperature variations.
The controller assures fast protection against load
over current and under / over voltage (in this last
case also before UVLO). Feedback disconnection
prevents from damaging the load in case of
disconnections in the system board.
In case of over-current, the system works in
constant current mode until UVP.
VFQFPN48 7 mm x 7 mm
(exposed pad)
Tape and reel
Packaging
Tube
L6716
Data Brief
www.st.com
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L6713A_0805 Summary of contents

Page 1

Intel VR11.1 Features ■ Load transient boost LTB Technology™ to minimize the number of output capacitors ■ 3-phase operation with internal driver ■ 4-phase operation with external PWM driver signal ■ ...

Page 2

Revision history 1 Revision history Table 2. Document revision history Date 2-May-2008 2/3 Revision 1 Initial release L6716 Changes ...

Page 3

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any ...

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