NCP5318 ON Semiconductor, NCP5318 Datasheet - Page 6

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

ELECTRICAL CHARACTERISTICS
C
VID Inputs
Power Good
Overvoltage Protection
Enable Input
Error Amplifier
PWM Comparators
MOSFET Driver Enable (DRVON)
2. Guaranteed by design, not tested in production.
Input Threshold
VID Pin Current
SGND Bias Current
SGND Voltage Compliance Range
Upper Threshold, Offset from No Load Set Point
Lower Threshold Constant
Output Low Voltage
Delay
OVP Threshold above VID
Start Threshold
Stop Threshold
Hysteresis
Input Pull−Up Voltage
Input Pull−Up Resistance
V
COMP Source Current
COMP Sink Current
Transconductance
Open Loop DC Gain
Unity Gain Bandwidth
PSRR @ 1.0 kHz
COMP Max Voltage
COMP Min Voltage
Minimum Pulse Width
Transient Response Time
Channel Startup Offset
Artificial Ramp Amplitude
Output High
Output Low
Pull−Down Resistance
Source Current
SS
FB
= 0.1 mF, C
Bias Current
VCC
Characteristic
= 0.1 mF, R
ROSC
= 95.3 kW, V(I
(0°C < T
V
V
SGND < 300 mV, All DAC Codes
PWRGDS/No Load Set Point
V
V
Gates switching, SS high
Gates not switching, SS low
1.0 MW to GND
COMP = 0.5 V to 2.0 V
C
V
V
Measured from CSxP to GATEx,
V
60 mV step between CSxP and CSxN;
Measure at GATEx = 1.0 V (Note 2)
Measured from CSxN to GATEx,
COMP = 2.1 V, CSxP = CSxN = 0.5 V,
CSxN stepped from 1.2 V to 2.0 V (Note 2)
CSxP = CSxN = V
when GATEx switch high
50% duty cycle
DRVON floating
I = 100 mA
DRVON = 1.5 V, ENABLE = 0 V,
R = 1.5 V/I(DRVON)
DRVON = 1.5 V
LIM
ID5
ID5
FFB
FFB
FB
FB
FB
A
COMP
< 70°C; V
) = 1.0 V, DAC Code 010100; unless otherwise noted)
, V
, V
= 0 V
= 1.6 V
= CSxN = 0.5, COMP = 0.5 V,
= 1.0 V, I
high to PWRGD high
ID4
ID4
http://onsemi.com
= 30 pF (Note 2)
, V
, V
ID3
ID3
CC
Test Conditions
PWRGD
, V
, V
= 12 V; C
(Note 2)
(Note 2)
(Note 2)
6
ID2
ID2
FB
−
−
−
−
−
−
, V
, V
= 0, Measure Vcomp
= 4.0 mA
ID1
ID1
GATEx
, V
, V
ID0
ID0
= 100 pF, C
= 0 V
COMP
0.475
−200
0.35
Min
400
170
100
1.0
0.4
2.7
7.0
1.1
2.4
2.3
0.5
10
85
40
40
72
35
−
−
−
−
−
−
−
−
−
−
−
= 0.01 mF,
0.505
0.18
0.62
Typ
600
215
170
175
0.2
2.0
2.9
0.1
1.3
4.0
2.9
3.0
20
97
10
70
70
80
60
80
40
40
70
−
−
−
−
−
0.525
Max
0.40
0.75
800
300
250
100
100
150
100
140
115
1.0
4.0
0.8
3.3
1.0
1.5
0.2
6.5
40
20
60
−
−
−
−
−
−
−
−
mmho
MHz
Unit
V/V
mV
mV
mV
mV
mV
mV
mV
mA
ms
kW
dB
dB
kW
mA
mA
mA
mA
mA
ns
ns
V
V
V
V
V
V
V
V