ncp5395t ON Semiconductor, ncp5395t Datasheet - Page 6

• Manufacturer Part Number: ncp5395t
• Description: 2/3/4-phase Controller With On Board Gate Drivers For Cpu Applications
• Manufacturer: ON Semiconductor

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