ncp5392p ON Semiconductor, ncp5392p Datasheet - Page 11

• Manufacturer Part Number: ncp5392p
• Description: 2/3/4-phase Controller For Cpu Applications
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
(Unless otherwise stated: 0°C < T
CURRENT SENSE AMPLIFIERS
IMON
OSCILLATOR
MODULATORS (PWM Comparators)
VR_RDY (POWER GOOD) OUTPUT
3. Guaranteed by design, not tested in production.
Input Bias Current (Note 3)
Common Mode Input Voltage Range
(Note 3)
Differential Mode Input Voltage Range
(Note 3)
Input Offset Voltage
Current Sense Input to PWM Gain
(Note 3)
Current Sharing Offset CS1 to CSx
V
V
Output Referred Offset Voltage
Minimum Output Voltage
Output source current (Note 3)
Output sink current (Note 3)
Maximum Clamp Voltage
Switching Frequency Range (Note 3)
Switching Frequency Accuracy 2- or
4-Phase
Switching Frequency Accuracy
3-Phase
R
Minimum Pulse Width
Propagation Delay
0% Duty Cycle
100% Duty Cycle
PWM Ramp Duty Cycle Matching
PWM Phase Angle Error (Note 3)
VR_RDY Output Saturation Voltage
VR_RDY Rise Time (Note 3)
VR_RDY Output Voltage at Powerup
(Note 3)
DRP
DRP
OSC
to IMON -3 dB Bandwidth
to IMON Gain
Output Voltage
Parameter
A
< 85°C; 4.75 V < V
CSx = CSxN = 1.4 V
CSx = CSxN = 1.1 V,
0 V < CSx - CSxN < 0.1 V,
All VID codes
1.325 V< V
C
R
V
V
V
V
V
R
R
R
R
R
R
R
F
±20 mV of Overdrive
COMP Voltage when the PWM
Outputs Remain LO
COMP Voltage when the PWM
Outputs Remain HI
Between Any Two Phases
Between Adjacent Phases
I
External Pullup of 1 kW to 1.25
V, C
90%
VR_RDY Pulled up to 5 V via
2 kW, t
100 ms ≤ t R(V
PGD
DRP
DRP
out
out
DRP
SW
L
L
LOAD
OSC
OSC
OSC
OSC
OSC
OSC
= 30 pF to GND,
= 100 kW to GND
TOT
= 1 V
= 0.3 V
= 800 KHz
= 10 mA,
= 1.6 V, I
= 1.2 V, I
Voltage = 2 V,
= 49.9 kW
= 24.9 kW
= 10 kW
= 49.9 kW
= 24.9 kW
= 10 kW
R(VCC)
= 100 k
Test Conditions
= 45 pF, DV
CC
DRP
≤
CC
< 5.25 V; All DAC Codes; C
http://onsemi.com
SOURCE
SINK
3
< 1.8 V
) ≤ 20 ms
x t
NCP5392P
= 100 mA
R(5V)
o
= 10% to
= 0 mA
11
-120
-0.3
-1.0
-2.5
1.98
1.95
Min
300
300
100
200
374
800
191
354
755
5.7
VCC
81
15
-
-
-
-
-
-
-
-
-
-
-
-
= 0.1 mF)
2.01
Typ
100
6.0
1.3
2.3
90
30
10
90
0
-
-
-
-
2
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2.065
1000
1000
Max
2.02
1.15
0.11
120
224
414
978
234
434
150
2.0
1.0
6.3
2.5
0.4
1.0
99
15
-
-
-
-
-
-
-
-
MHz
Unit
kHz
kHz
kHz
V/V
V/V
mV
mV
mV
mV
nA
mA
mA
ns
ns
ns
%
V
V
V
V
V
V
V
V
°