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
ENABLE INPUT
Test Conditions
Min
Typ
Max
Unit
AMD Total Hysteresis
Enable Delay Time
Rising - Falling Threshold
200
mV
ms
Measure Time from Enable
Transitioning HI to when Output
Begins
2.5
4.0
CURRENT LIMIT
I
I
I
I
I
to V
to V
to V
to V
Gain
Between V
and V
- V = 450 mV
DFB
= 650 mV
0.95
1
1.05
V/V
V/V
V/V
V/V
LIM
LIM
LIM
LIM
LIM
DRP
DRP
DRP
DRP
DRP
- V
DRP
DFB
Gain in PSI 4 phase
Gain in PSI 3 phase
Gain in PSI 2 phase
Between V
and V
- V
= 450 mV
-
-
-
0.25
0.33
0.5
-
-
-
DRP
- V
DFB
= 650 mV
DRP
DFB
Between V
and V
- V
= 450 mV
DRP
- V
DFB
= 650 mV
DRP
DFB
Between V
and V
- V
= 450 mV
DRP
- V
DFB
= 650 mV
DRP
DFB
Offset
V
DRP
- V
= 520 mV
-50
-
0
50
-
mV
ns
DFB
Delay
100
OVERVOLTAGE PROTECTION
VR11 Overvoltage Threshold
DAC +150
DAC +185
DAC +200
mV
mV
VR11 PSI Overvoltage Threshold
(Note 3)
(1.6ꢀV DAC)
+150
(1.6ꢀV DAC)
+200
AMD Overvoltage Threshold (Note 3)
DAC +200
DAC +235
DAC +305
mV
mV
AMD PSI Overvoltage Threshold
(Note 3)
(1.55ꢀV DAC)
+200
(1.55ꢀV DAC)
+235
(1.55ꢀV DAC)
+305
Delay
100
ns
UNDERVOLTAGE PROTECTION
VCC UVLO Start Threshold
VCC UVLO Stop Threshold
VCC UVLO Hysteresis
DAC (FEED FORWARD FUNCTION)
Output Source Current
Output Sink Current
4
4.25
4.05
200
4.5
4.3
V
V
3.8
mV
V
V
= 3 V
0.25
1.5
3
mA
mA
V
OUT
= 0.3 V
OUT
Max Output Voltage (Note 3)
Min Output Voltage (Note 3)
VRM 11 DAC
I = 2 mA
source
I
= 2 mA
0.5
V
sink
Positive DAC Slew Rate
11
-
16.5
mV/ms
System Voltage Accuracy
(DAC Value has a 19 mV Offset Over
the Output Value)
1.0 V < DAC < 1.6 V
0.8 V < DAC < 1.0 V
0.5 V < DAC < 0.8 V
-
-
-
-
-
-
0.5
5
8
%
mV
mV
AMD DAC
Positive DAC Slew Rate
-
-
3.5
-
5
mV/ms
System Voltage Accuracy
(DAC Value has a 19 mV Offset Over
the Output Value)
1.0 V < DAC < 1.55 V
0.3750 < DAC < 0.8 V
0.5
5.0
%
mV
V
CC
V
CC
Operating Current
EN Low, No PWM
-
15
30
mA
3. Guaranteed by design, not tested in production.
http://onsemi.com
13
ONSEMI [ ONSEMI ]
