L6711TR STMicroelectronics, L6711TR Datasheet - Page 21

• Manufacturer Part Number: L6711TR
• Description: IC CTRLR 3PHASE VID/DACS 48-TQFP
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L6711TR

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 1.55 V
• Current - Output: 2A
• Frequency - Switching: 150kHz
• Voltage - Input: 12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Power - Output: 2.5W
• Output Voltage: 0.8 V to 1.581 V
• Output Current: 95 A
• Input Voltage: 13.8 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5363-2; L6711TR

L6711
current information of each phase, information about the total current delivered (I
I
I
in order to equalize the current carried by the three phases.
Since Rg is designed considering the OC protection, to allow further flexibility in the system
design, the resistor in series to CSx+ can be split in two resistors as shown in
Figure 7.
INFO1
INFO3
)/3) is taken. I
+I
INFO2
Inductor current sense
+ I
INFO3
INFOX
) and the average current for each phase (I
is then compared to I
Current reading and current sharing control loop
AVG
to give the correction to the PWM output
Design Equations:
R
R
AVG
g RC
g RC
= (I
+
=
R
INFO1
------------------
R
g a
L
L
C
=
+ I
Figure
g
Rg
INFO2
DROOP
7.
+
21/50
=