L6714 STMicroelectronics, L6714 Datasheet - Page 9

• Manufacturer Part Number: L6714
• Description: IC CTRLR 4PH W/DRIVERS 64-TQFP
• Manufacturer: STMicroelectronics

Specifications of L6714

• Applications: Controller, Intel VR10, VR11, AMD CPU
• Voltage - Input: 12V
• Number Of Outputs: 4
• Voltage - Output: 0.3 ~ 1.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP Exposed Pad, 64-eTQFP, 64-HTQFP, 64-VQFP
• Mounting Style: SMD/SMT
• Case: QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6714
Table 1.
N°
25
26
27
28
29
30
31
32
OFFSET
CS2+
CS3+
CS1+
CS4-
CS2-
CS3-
CS1-
Pin
Pin functions
Channel 4 Current Sense Negative Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Drain.
Inductor DCR Sense: connect through a Rg resistor to the output-side of the
channel 4 inductor.
See “Layout guidelines” Section
Channel 2 Current Sense Positive Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Source.
Inductor DCR Sense: connect through an R-C filter to the phase-side of the
channel 2 inductor.
See “Layout guidelines” Section
Channel 2 Current Sense Negative Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Drain.
Inductor DCR Sense: connect through a Rg resistor to the output-side of the
channel 2 inductor.
See “Layout guidelines” Section
Channel 3 Current Sense Positive Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Source.
Inductor DCR Sense: connect through an R-C filter to the phase-side of the
channel 3 inductor.
See “Layout guidelines” Section
Channel 3 Current Sense Negative Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Drain.
Inductor DCR Sense: connect through a Rg resistor to the output-side of the
channel 3 inductor.
See “Layout guidelines” Section
Channel 1 Current Sense Positive Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Source.
Inductor DCR Sense: connect through an R-C filter to the phase-side of the
channel 1 inductor.
See “Layout guidelines” Section
Channel 1 Current Sense Negative Input.
LS Mosfet Sense: connect through a resistor Rg to the LS mosfet Drain.
Inductor DCR Sense: connect through a Rg resistor to the output-side of the
channel 1 inductor.
See “Layout guidelines” Section
Offset Programming Pin.
Internally fixed at 1.240V, connecting a R
setting a current that is mirrored into FB pin in order to program a positive offset
according to the selected R
See “Offset (Optional)” Section
FB
. Short to SGND to disable the function.
for details.
for proper layout of this connection.
for proper layout of this connection.
for proper layout of this connection.
for proper layout of this connection.
for proper layout of this connection.
for proper layout of this connection.
for proper layout of this connection.
Function
OFFSET
resistor vs. SGND allows
Pin settings
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