ncp5381a ON Semiconductor, ncp5381a Datasheet - Page 10

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

ELECTRICAL CHARACTERISTICS
V
Current Sense Amplifiers
Oscillator
1. Guaranteed by design. Not tested in production.
Current Sense Input to V
Current Sense Input to V
−3dB Bandwidth (Note 1)
Current Sense Input to V
Slew Rate (Note 1)
Current Summing Amp Output Offset
Voltage
Maximum V
Minimum V
Output Source Current (Note 1)
Output Sink Current (Note 1)
Input Bias Current
Common Mode Input Voltage Range
(Note 1)
Differential Mode Input Voltage Range
Input Offset Voltage (Note 1)
Current Sense Input to
PWM Comparator Input Gain
Switching Frequency Range (Note 1)
Switching Frequency Accuracy
(Note 1)
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
(Note 1)
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
R
R
(0°C < T
DRP
OSC
OSC
Output Voltage
Output Voltage (Note 1)
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
−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
CSx = CSxN = 1.4 V
CSx = CSxN = 1.0 V
0 mV < (CSx−CSxN) < 25 mV
T
R
R
R
R
R
R
R
R
10 kW < R
49.9 kW < R
SOURCE
SINK
A
L
L
L
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
= 25°C
= 330 pF to GND,
= 10 kW to GND
= 330 pF to GND,
CC
= 1.0 mA
= 100 kW, 2 or 4−phase
= 49.9 kW, 2 or 4−phase
= 24.9 kW, 2 or 4−phase
= 10 kW, 2 or 4−phase
= 100 kW, 3−phase
= 49.9 kW, 3−phase
= 24.9 kW, 3−phase
= 10 kW, 3−phase
< 13.2 V; All DAC Codes; C
= 1.0 mA
Test Conditions
OSC
A
OSC
= 25°C
< 49.9 kW
http://onsemi.com
< 100 kW
out
< 1.9 V,
10
VCC
= 0.1 mF, F
184.5
178.2
−200
−120
3.02
−0.3
−3.0
93.6
1.92
Min
−15
100
360
829
351
818
5.7
5.7
90
−
−
−
−
−
−
SW
= 400 kHz, unless otherwise stated)
−100
2.00
2.00
Typ
104
205
400
921
100
198
390
909
6.0
7.2
3.7
9.0
2.0
6.0
−
−
−
−
−
−
−
114.4
225.5
217.8
1000
1013
1000
Max
2.08
+15
120
440
429
110
6.3
0.5
2.0
3.0
6.3
−
−
−
−
−
−
−
Units
MHz
V/ms
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
V/V
V/V
mV
mA
mA
mV
mV
nA
V
V
V
V
V