NCP5314 ON Semiconductor, NCP5314 Datasheet - Page 6

• Manufacturer Part Number: NCP5314
• Description: Two/Three/Four-Phase Buck CPU Controller
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
C
VID Inputs
Power Good
Overvoltage Protection
Enable Input
Voltage Feedback 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 F, C
Bias Current
Characteristic
VCC
= 0.1 F, R
ROSC
= 32.4 k , 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 M to GND
COMP = 0.5 V to 2.0 V
C
V
V
Measured from CSxP to GATEx,
Measured from CSxN to GATEx,
CSxP = CSxN = V
50% duty cycle
DRVON floating
DRVON = 1.5 V, ENABLE = 0 V,
DRVON = 1.5 V
ID5
ID5
FFB
FFB
FB
FB
COMP
V
60 mV step between CSxP and CSxN;
Measure at GATEx = 1.0 V
COMP = 2.1 V, CSxP = CSxN = 0.5 V,
CSxN stepped from 1.2 V to 2.0 V
Vcomp when GATEx switch high
R = 1.5 V/I(DRVON)
FB
, V
, V
= 0 V
= 1.6 V
= 1.0 V, I
low to PWRGD low
LIM
A
= CSxN = 0.5, COMP = 0.5 V,
ID4
ID4
= 30 pF (Note 2)
< 70 C; V
) = 1.0 V, DAC Code 010100; unless otherwise noted)
, V
, V
Test Conditions
http://onsemi.com
ID3
ID3
PWRGD
, V
, V
(Note 2)
(Note 2)
(Note 2)
NCP5314
CC
FB
ID2
ID2
−
−
−
−
−
−
−
, V
, V
= 0, Measure
= 12 V; C
= 4.0 mA
6
ID1
ID1
, V
, V
ID0
ID0
GATEx
= 0 V
= 100 pF, C
0.475
−200
0.35
Min
400
170
0.6
0.4
2.7
7.0
1.1
2.4
2.3
0.5
10
85
50
40
40
72
35
−
−
−
−
−
−
−
−
−
−
−
COMP
= 0.01 F,
0.500
0.15
0.62
Typ
600
100
232
200
200
100
0.1
0.7
0.5
2.9
0.1
1.3
4.0
2.7
3.0
20
10
70
70
80
60
50
40
40
70
−
−
−
0.525
Max
0.40
0.75
800
300
115
600
250
100
100
150
100
140
1.0
0.8
0.6
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
k
dB
dB
k
ns
ns
V
V
V
V
V
V
V
V
A
A
A
A
A
s