ncp5381a ON Semiconductor, ncp5381a Datasheet - Page 9

• Manufacturer Part Number: ncp5381a
• Description: 2/3/4 Phase Buck Controller For Vr10 And Vr11 Pentium Iv Processor Applications
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
Error Amplifier
Remote Sense Differential Amplifier
1. Guaranteed by design. Not tested in production.
Input Bias Current
Inverting Input Voltage
Input Offset Voltage (Note 1)
Open Loop DC Gain (Note 1)
Open Loop Unity Gain Bandwidth
(Note 1)
Open Loop Phase Margin (Note 1)
Slew Rate (Note 1)
Maximum Output Voltage
Minimum Output Voltage
Output Source Current (Note 1)
Output Sink Current (Note 1)
VS+ Input Resistance (Note 1)
VS+ Input Open Circuit Voltage
(Note 1)
VS− Input Resistance (Note 1)
VS− Input Open Circuit Voltage
(Note 1)
Input Voltage Range
Input Offset Voltage (Note 1)
−3dB Bandwidth (Note 1)
DC Gain
Slew Rate (Note 1)
Maximum Output Voltage
Minimum Output Voltage
Output Source Current (Note 1)
Output Sink Current (Note 1)
(0°C < T
A
< 70°C; 0°C < T
Parameter
J
< 85°C; 10.8 V < V
1.0 kW between VFB and COMP Pins
C
R
C
R
C
R
DV
1.2 V < V
C
DC Load = ±125 mA
I
I
V
V
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
SOURCE
SINK
DIFFOUT
SOURCE
SINK
out
out
out
out
L
L
L
L
L
L
L
L
L
L
out
in
in
= 60 pF to GND,
= 10 kW to GND
= 60 pF to GND,
= 10 kW to GND
= 60 pF to GND,
= 10 kW to GND
= 60 pF,
= 80 pF to GND,
= 10 kW to GND
= 80 pF to GND,
CC
= 3.0 V
= 1.0 V
= 2.1 V
= 1.0 V
= 100 mV, G = −1.0 V/V,
= 1.0 V,
= 1.0 mA
= 1.0 mA
= 1.0 V to 2.0 V,
< 13.2 V; All DAC Codes; C
= 1.0 mA
= 100 mA
= 1.0 mA
out
Test Conditions
< 2.2 V,
http://onsemi.com
9
VCC
= 0.1 mF, F
0.982
−200
−1.0
−0.3
−1.0
Min
3.0
3.0
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
SW
= 400 kHz, unless otherwise stated)
0.333*DA
+ 0.433
1.000
0.67
0.05
Typ
−50
1.3
5.0
3.3
0.9
2.0
2.0
0.5
1.4
78
15
65
17
10
12
10
25
=
C
−
−
−
−
−
1.018
Max
−10
1.0
1.0
3.0
1.0
0.5
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
Units
MHz
V/ms
MHz
V/ms
deg
V/V
mV
mA
mA
mV
mA
mA
kW
kW
nA
dB
V
V
V
V
V
V
V
V