NCP5392 ON Semiconductor, NCP5392 Datasheet - Page 11

• Manufacturer Part Number: NCP5392
• Description: 2/3/4-Phase Controller
• Manufacturer: ON Semiconductor

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ELECTRICAL CHARACTERISTICS
(Unless otherwise stated: 0°C < T
IMON
OSCILLATOR
MODULATORS (PWM Comparators)
VR_RDY (POWER GOOD) OUTPUT
PWM OUTPUTS
3. Guaranteed by design, not tested in production.
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)
VR_RDY High – Output Leakage
Current (Note 3)
VR_RDY Upper Threshold Voltage
VR_RDY Lower Threshold Voltage
VR_RDY Rising Delay
VR_RDY Falling Delay
Output High Voltage
Mid Output Voltage
Output Low Voltage
Delay + Fall Time (Note 3)
Delay + Rise Time (Note 3)
OSC
Output Voltage
Parameter
A
< 85°C; 4.75 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
VR_RDY = 5.5 V via 1 K
VCore Increasing, DAC = 1.3 V
VCore Decreasing
DAC = 1.3 V
VCore Increasing
VCore Decreasing
Sourcing 500 mA
Sinking 500 mA
C
DVo = V
C
DVo = GND to V
PGD
out
out
DRP
SW
LOAD
OSC
OSC
OSC
OSC
OSC
OSC
L
L
(PCB) = 50 pF,
(PCB) = 50 pF,
TOT
= 1 V
= 0.3 V
= 800 KHz
= 10 mA,
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
CC
= 45 pF, DV
CC
to GND
≤
CC
< 5.25 V; All DAC Codes; C
http://onsemi.com
3
) ≤ 20 ms
CC
x t
R(5V)
o
= 10% to
11
1.95
Min
300
300
100
200
374
800
191
354
755
410
3.0
1.4
VCC
15
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
= 0.1 mF)
2.01
Typ
100
310
370
500
1.3
2.3
1.5
30
10
90
10
10
−
−
−
−
−
−
−
−
−
−
−
−
−
−
5
−
−
2.065
1000
1000
Max
1.15
224
414
978
234
434
150
270
0.4
1.0
0.2
1.6
0.7
15
15
15
−
−
−
−
−
−
−
−
−
−
Below
Below
DAC
DAC
Unit
kHz
kHz
kHz
mV
mV
mA
mA
mA
ns
ns
ns
ms
ms
ns
ns
%
V
V
V
V
V
V
V
V
V
°