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L6751 Datasheet(PDF) 8 Page - STMicroelectronics

Part # L6751
Description  Digitally controlled dual PWM for Intel VR12 and AMD SVI
PDF  59 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6751 Datasheet(HTML) 8 Page - STMicroelectronics

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Pin description and connection diagrams
L6751
8/59
Doc ID 023992 Rev 1
2
Pin description and connection diagrams
Figure 3.
L6751 pin connections (left: top view - right: bottom view)
2.1
Pin description
L6751
D1
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
A27
B24
A26
B23
A25
B22
A24
B21
A23
B20
A22
B19
A21
B18
A20
B17
A19
D2
D3
D4
PWM3
PWM2
PWM1
PHASE
NC
VR_RDY
GND
CS6N
CS6P
CS5P
CS5N
CS4N
CS4P
CS3P
CS3N
CS2N
CS2P
CS1P
CS1N
BOOT / TMAX
SVDATA
ALERT#
SVCLK
EN
NC
VIN
OSC
STCOMP
STM
ADDR
NC
SMCLK
SMAL#
SMDATA
GND
IMAX/SIMAX
SCOMP
VCC5
L6751
A9
B8
D2
A10
B9
B16
A18
D3
A19
B17
B24
A27
D4
A28
B25
B32
A36
D1
A1
B1
AM14811v1
Table 2.
Pin description
Pin#
Name
Type
Function
D1
PWM3
D(1)
PWM output.
Connect to multi-phase channel 3 external driver PWM input. During normal
operation the device is able to manage HiZ status by setting and holding the
PWMx pin to a fixed predefined voltage. See Table 7 for phase number
programming.
A1
PWM2
D
PWM output.
Connect to multi-phase external drivers PWM input. These pins are also used
to configure HiZ levels for compatibility with drivers and DrMOS. During
normal operation the device is able to manage HiZ status by setting and
holding the PWMx pin to the predefined fixed voltage.
B1
PWM1
D
A2
PHASE
A
Connect through resistor divider to multi-phase channel1 switching node.
B2
NC
-
Not internally bonded.
A3
VR_RDY
D
VR Ready. Open drain output set free after SS has finished in multi-phase
section and pulled low when triggering any protection on multi-phase section.
Pull up to a voltage lower than 3.3 V (typ.), if not used it can be left floating.



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