ncp5392p ON Semiconductor, ncp5392p Datasheet - Page 13

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

DAC (FEED FORWARD FUNCTION)
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated: 0°C < T
ENABLE INPUT
CURRENT LIMIT
OVERVOLTAGE PROTECTION
UNDERVOLTAGE PROTECTION
VRM 11 DAC
AMD DAC
V
3. Guaranteed by design, not tested in production.
AMD Total Hysteresis
Enable Delay Time
I
I
I
I
I
Delay
VR11 Overvoltage Threshold
VR11 PSI Overvoltage Threshold
(Note 3)
AMD Overvoltage Threshold (Note 3)
AMD PSI Overvoltage Threshold
(Note 3)
Delay
VCC UVLO Start Threshold
VCC UVLO Stop Threshold
VCC UVLO Hysteresis
Output Source Current
Output Sink Current
Max Output Voltage (Note 3)
Min Output Voltage (Note 3)
Positive DAC Slew Rate
System Voltage Accuracy
(DAC Value has a 19 mV Offset Over
the Output Value)
Positive DAC Slew Rate
System Voltage Accuracy
(DAC Value has a 19 mV Offset Over
the Output Value)
V
LIM
LIM
LIM
LIM
LIM
CC
CC
Offset
to V
to V
to V
to V
Operating Current
DRP
DRP
DRP
DRP
Gain
Gain in PSI 4 phase
Gain in PSI 3 phase
Gain in PSI 2 phase
Parameter
A
< 85°C; 4.75 V < V
Rising - Falling Threshold
Measure Time from Enable
Transitioning HI to when Output
Begins
Between V
and V
Between V
and V
Between V
and V
Between V
and V
V
V
V
I
I
1.0 V < DAC < 1.6 V
0.8 V < DAC < 1.0 V
0.5 V < DAC < 0.8 V
1.0 V < DAC < 1.55 V
0.3750 < DAC < 0.8 V
EN Low, No PWM
source
sink
DRP
OUT
OUT
= 2 mA
DRP
DRP
DRP
DRP
- V
= 3 V
= 0.3 V
= 2 mA
Test Conditions
DFB
- V
- V
- V
- V
CC
DRP
DRP
DRP
DRP
= 520 mV
DFB
DFB
DFB
DFB
< 5.25 V; All DAC Codes; C
http://onsemi.com
- V
- V
- V
- V
= 650 mV
= 650 mV
= 650 mV
= 650 mV
NCP5392P
DFB
DFB
DFB
DFB
= 450 mV
= 450 mV
= 450 mV
= 450 mV
13
(1.55 V DAC)
(1.6 V DAC)
DAC +150
DAC +200
+150
+200
0.95
0.25
Min
-50
2.5
3.8
1.5
VCC
11
-
-
-
-
4
3
-
-
-
-
-
-
= 0.1 mF)
(1.55 V DAC)
DAC +185
DAC +235
+235
0.25
0.33
4.25
4.05
Typ
200
100
100
200
0.5
3.5
15
1
0
-
-
-
-
-
(1.55 V DAC)
(1.6 V DAC)
DAC +200
DAC +305
+200
+305
Max
1.05
16.5
±0.5
±0.5
±5.0
4.0
4.5
4.3
0.5
50
±5
±8
30
-
-
-
-
5
mV/ms
mV/ms
Unit
V/V
V/V
V/V
V/V
mV
mV
mV
mV
mV
mV
mV
mA
mA
mV
mV
mV
mA
ms
ns
ns
%
%
V
V
V
V