ncp5389 ON Semiconductor, ncp5389 Datasheet - Page 8

• Manufacturer Part Number: ncp5389
• Description: 2/3 Phase Buck Controller For Vr11 Pentium Iv Processor Applications
• Manufacturer: ON Semiconductor

2. Guaranteed by design. Not tested in production.
ELECTRICAL CHARACTERISTICS
(0°C < T
REMOTE SENSE DIFFERENTIAL AMPLIFIER
V
VS+ Input Resistance (Note 2)
VS+ Input Open Circuit Voltage
(Note 2)
VS- Input Resistance (Note 2)
VS- Input Open Circuit Voltage
(Note 2)
Input Voltage Range
Input Offset Voltage (Note 2)
-3dB Bandwidth (Note 2)
DC Gain
Slew Rate (Note 2)
Maximum Output Voltage
Minimum Output Voltage
Output Source Current (Note 2)
Output Sink Current (Note 2)
Current Sense Input to V
Current Sense Input to V
-3dB Bandwidth (Note 2)
Current Sense Input to V
Slew Rate (Note 2)
Current Summing Amp Output Offset
Voltage
Maximum V
Minimum V
Output Source Current (Note 2)
Output Sink Current (Note 2)
DRP
ADAPTIVE VOLTAGE POSITIONING AMPLIFIER
A
< 70°C; 0°C < T
DRP
DRP
Parameter
Output Voltage
Output Voltage
DRP
DRP
DRP
J
< 85°C; 10.8 V < V
Gain
Output
Output
DRVON = High
DRVON = Low
DRVON = High
DRVON = Low
VS+ = DAC Voltage
DRVON = High
DRVON = High
VS+ = DAC Voltage
C
R
I
DV
DV
C
Load = ±125 mA
I
I
V
V
-60 mV < (CSx-CSxN)
< +60 mV, T
C
R
DV(CSx-CSxN) = 25 mV (all
phases), 1.3 V < V
C
Load = ±400 mA
CSx – CSxN = 0, CSx =1.0 V
CSx - CSxN = 0.12 V
(all phases),
I
CSx - CSxN = -0.12 V
(all phases),
I
VDRP = 2.9 V
VDRP = 1.0 V
DIFFOUT
SOURCE
SINK
SOURCE
SINK
out
out
L
L
L
L
L
L
out
in
= 80 pF to GND,
= 10 kW to GND
= 80 pF to GND,
= 330 pF to GND,
= 10 kW to GND
= 330 pF to GND,
CC
= 2.1 V
= 1.0 V
= 1.0 V,
= 1.0 mA
= 1.0 mA
= 1.0 V to 2.0 V,
< 13.2 V; All DAC Codes; C
Test Conditions
= 100 mA
= 1.0 mA
= 1.0 mA
A
= 25°C
http://onsemi.com
out
NCP5389
< 1.9 V,
8
VCC
0.982
-0.3
-1.0
3.02
Min
= 0.1 mF, F
-40
3.0
5.7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SW
= 0.333*DAC
= 400 kHz, unless otherwise stated)
+ 0.433
0.67
0.05
Typ
0.5
1.0
1.4
6.0
7.2
3.7
9.0
2.0
17
10
12
10
25
-
-
-
-
-
-
-
1.018
Max
+40
3.0
1.0
0.5
6.3
0.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Units
MHz
V/ms
MHz
V/ms
V/V
V/V
mV
mA
mA
mV
mA
mA
kW
kW
V
V
V
V
V
V
V