參數(shù)資料
型號(hào)： L6711
廠商： 意法半導(dǎo)體
英文描述： 3 PHASE CONTROLLER WITH DYNAMIC VID AND SELECTABLE DACs
中文描述： 3相控制器，動(dòng)態(tài)VID和可選數(shù)模轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/38頁(yè)
文件大?。?/td> 591K
代理商： L6711
3/38
L6711
Figure 3. Pin Connections
(Top view)
Table 4. Pin Function
N°
1
Name
VCCDR1
Description
Channel 1 LS driver supply: it can be varied from 5V to 12V buses.
It must be connected together with other VCCDRx pins.
Filter locally with at least 1
μ
F ceramic cap vs. PGND1.
Channel 1 LS driver output.
A little series resistor helps in reducing device-dissipated power.
Channel 1 LS driver return path.
Connect to Power Ground Plane.
Device supply voltage. The operative supply voltage is 12V ±15%.
Filter with 1
μ
F capacitor (Typ.) vs. SGND.
All the internal references are referred to this pin. Connect it to the PCB signal ground.
Offset programming pin, internally fixed at 1.240V.
Short to SGND to disable the offset generation or connect through a resistor R
OFFSET
to SGND
to program an offset (positive or negative, depending on TC status) to the regulated output volt-
age as reported in the relative section.
This pin is connected to the error amplifier output and is used to compensate the control feed-
back loop.
This pin is connected to the error amplifier inverting input and is used to compensate the voltage
control feedback loop.
Connecting a resistor between this pin and VSEN pin allows programming the droop effect.
Over Voltage protection setup pin: it allows programming the OVP intervention.
Internally pulled-up to 5V, it sources a constant 12.5
μ
A current.
Leaving the pin floating the OVP threshold is set to 115% (Typ.) of the programmed voltage
Connecting a resistor R
OVP
to SGND, it sets the OVP threshold to a fixed programmable voltage
(see relevant section for further details). Filter with 10nF vs. SGND in this case.
Manages Over&Under-voltage conditions. It is internally connected with the output of the
Remote Sense Buffer for Remote Sense of the regulated voltage.
If no Remote Sense is implemented, connect it directly to the regulated voltage in order to man-
age OVP and UVP.
2
LGATE1
3
PGND1
4
VCC
5
6
SGND
OFFSET
7
COMP
8
FB
9
OVP
10
VSEN
48
47
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
36 35 34 33 32 31 30 29 28 27 26 25
1
2
3
4
5
6
7
8
9
10 11 12
OUTEN
CS1-
CS1+
CS2-
CS2+
CS3-
CS3+
TC
CS_SEL
OSC / FAULT
VID5
VID0
N.C.
PHASE1
UGATE1
BOOT1
BOOT2
UGATE2
PHASE2
VCCDR2
LGATE2
PGND2
VCCDR3
N.C.
L
P
B
U
P
S
S
V
V
V
V
V
V
L
P
V
S
O
C
F
O
V
F
F
L6711
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