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