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NCP5395T Datasheet(PDF) 6 Page - ON Semiconductor

Part # NCP5395T
Description  2/3/4-Phase Controller with On Board Gate Drivers for CPU Applications
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP5395T Datasheet(HTML) 6 Page - ON Semiconductor

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NCP5395T
http://onsemi.com
6
Table 1. Pin Descriptions
Pin No.
Symbol
Description
1
BG3
Low side gate drive #3
2
PSI
Power Saving Control. Low = single phase operation; High = normal operation
3
VID0
Voltage ID DAC input
4
VID1
Voltage ID DAC input
5
VID2
Voltage ID DAC input
6
VID3
Voltage ID DAC input
7
VID4
Voltage ID DAC input
8
VID5
Voltage ID DAC input
9
VID6
Voltage ID DAC input
10
VID7/AMD
Voltage ID DAC input. Pull to VCC (5 V) to enable AMD 6−bit DAC code.
11
ROSC
A resistance from this pin to ground programs the oscillator frequency and provides a 2 V reference
for programming the ILIM voltage.
12
ILIM
Over current shutdown threshold setting. ILIM = VDRP − 1.3 V. Resistor divide ROSC to set threshold
13
IMON
0 to 1.1 V analog signal proportional to the output load current. VSN referenced Clamped to 1.1 Vmax
14
VSP
Non−inverting input to the internal differential remote sense amplifier
15
VSN
Inverting input to the internal differential remote sense amplifier
16
DIFFOUT
Output of the differential remote sense amplifier
17
COMP
Output of the compensation amplifier
18
VFB
Compensation amplifier voltage feedback
19
VDRP
Voltage output signal proportional to current used for current limit and output voltage droop
20
VDFB
Droop Amplifier Voltage Feedback
21
CSSUM
Inverted Sum of the Differential Current Sense inputs
22
DAC
DAC output used to provide feed forward for dynamic VID
23
12VMON
Monitor a 12 V input through a resistor divider
24
VCC
Power for the internal control circuits with UVLO monitor
25
CS4P
Non−inverting input to current sense amplifier #4
26
CS4N
Inverting input to current sense amplifier #4
27
CS3P
Non−inverting input to current sense amplifier #3
28
CS3N
Inverting input to current sense amplifier #3
29
CS2P
Non−inverting input to current sense amplifier #2
30
CS2N
Inverting input to current sense amplifier #2
31
CS1P
Non−inverting input to current sense amplifier #1
32
CS1N
Inverting input to current sense amplifier #1
33
EN
Threshold sensitive input. High = startup, Low =shutdown.
34
VR_RDY
Open collector output. High indicates that the output is regulating
35
G4
PWM output pulse to gate driver.
36
BG1
Low side gate drive #1
37
BST1
Upper MOSFET floating bootstrap supply for driver#1
38
TG1
High side gate drive #1
39
SWN1
Switch Node #1
40
VCCP
Power VCC for gate drivers with UVLO monitor
41
BG2
Low side gate drive #2
42
SWN2
Switch Node #2
43
TG2
High side gate drive #2
44
BST2
Upper MOSFET floating bootstrap supply for driver#2
45
DRVON
Bidirectional Gate Drive Enable
46
SWN3
Switch Node #3
47
TG3
High side gate drive #3
48
BST3
Upper MOSFET floating bootstrap supply for driver#3
FLAG
GND
Power supply return (QFN Flag)


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