NCP5318 ON Semiconductor, NCP5318 Datasheet - Page 9

• Manufacturer Part Number: NCP5318
• Description: Two/Three/Four-Phase Buck CPU Controller
• Manufacturer: ON Semiconductor

ENABLE
PWRLS
SGND
ROSC
CS1N
CS2N
CS3N
CS4N
VFFB
CS1P
CS2P
CS3P
CS4P
VID4
VID3
VID2
VID1
VID0
VID5
GND
VCC
VFB
ILIM
SS
CURRENT SENSE
10 K
ROSC
VID4
VID3
VID2
VID1
VID0
VID5
CS4P
CS1P
CS1N
CS2P
CS2N
CS3P
CS3N
CS4P
CS4N
REF
OSCILLATOR
6−BIT DAC
3.3 V
RAMP4
RAMP3
RAMP2
RAMP1
I_SUM
111111
CLK1
CLK2
CLK3
CLK4
0.7 V
0.5 V
DAC
I1
I2
I3
I4
0.62 V
−
CLK1
CLK2
CLK3
CLK4
+
PROTECTIONS
VCORE
DISABLE
VCC_UVLO
I_SUM
ILIM
111111
19 mV
+ −
Figure 2. Block Diagram
FAULT
ERROR AMP
http://onsemi.com
OV
−
+
9
COMP
−
+
−
+
−
+
−
+
OVERVOLTAGE
SOFT−START
SS CLAMP
FAULT
FAULT
POWER GOOD
DAC
PWRLS
CLK1
CLK2
CLK3
CLK4
PGD
RESET
DOMINANT
S
R
S
R
S
R
S
R
Q
Q
Q
Q
70 K
GATE1
GATE2
GATE3
GATE4
COMP
PWRGD
DRVON
VDRP