FAN5018B Fairchild Semiconductor, FAN5018B Datasheet - Page 5

• Manufacturer Part Number: FAN5018B
• Description: 6-Bit VID Controller 2-4 Phase VR10.X Controller
• Manufacturer: Fairchild Semiconductor

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PRODUCT SPECIFICATION
Electrical Specifications
(V
The • denotes specifications which apply over the full operating temperature range.
Notes:
1. All limits at operating temperature extremes are guaranteed by design, characterization and statistical quality control
2. Guaranteed by design – NOT tested in production.
REV. 1.0.0 Jul/15/05
Parameter
Error Amplifier
Output Voltage Range
Accuracy
Line Regulation
Input Bias Current
FBRTN Current
Output Current
Gain Bandwidth Product
DC Gain
VID Inputs
Input Low Voltage
Input High Voltage
Input Current, VID Low
Input Current, VID High
Pull-up Resistance
Internal Pull-up Voltage
VID Transition Delay
Time
“No CPU” Detection
Turn-off Delay Time
VID Table Select
Oscillator
Frequency
Frequency Variation
Output Voltage
RAMPADJ Pin Accuracy
RAMPADJ Input Current
Current Sense Amplifier
Offset Voltage
Input Bias Current
Gain Bandwidth Product
CC
= 12V, T
2
A
= 0°C to +85°C and FBRTN=GND, using circuit in Figure 1, unless otherwise noted.)
2
R
Vtblsel
V
V
ΔV
I
I
I
GBW
V
V
I
I
f
f
V
V
I
V
I
GBW
FB
FBRTN
O(ERR)
IL(VID)
IH(VID)
OSC
PHASE
RAMPADJ
BIAS(CSA)
COMP
FB
IL(VID)
IH(VID)
VID
RT
RAMPADJ
OS(CSA)
Symbol
FB
VRM10
Relative to DAC Setting,
referenced to FBRTN,
CSSUM = CSCOMP,
Test Circuit 3
VCC=10V to 14V
FB forced to V
COMP = FB ( See Note 2)
C
VRM10
VRM9
VRM10
VRM9
VID(X) = 0V
VID(X) = 1.15V
Internal
VRM9
VID Code Change to FB Change
VID Code Change to 11111X to PWM
going low
To select VRM9 table
To select VRM10 table (becomes VID5)
T
T
T
R
V
(Rr+2k) @ 20µA
Current into RAMPADJ pin
CSSUM–CSREF, Test Circuit 1
COMP = FB ( See Note 2)
A
A
A
RAMPADJ
COMP
T
= +25°C, R
= +25°C, R
= +25°C, R
= 100kΩ to GND
= 10pF ( See Note 2)
= Vdac = +2K • (Vin–Vdac)/
T
T
T
Conditions
OUT
= 250kΩ, 4-Phase
= 115kΩ, 4-Phase
= 75kΩ, 4-Phase
– 3%
VRM10
VRM9
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Min.
300
400
400
200
155
-3.0
0.5
-14
-17
-17
0.8
2.0
-30
1.0
2.2
1.9
-50
-50
35
-2
4
0
Typ.
0.05
1.15
150
500
200
400
600
-15
-20
2.4
2.0
20
77
60
10
Max.
4000
1.26
+3.0
+14
+17
180
115
+50
100
+50
245
-13
3.5
0.4
0.8
2.6
3.5
2.1
2
FAN5018B
Units
MHz
MHz
kHz
kHz
kHz
kHz
mV
mV
mV
µA
µA
µA
dB
µA
µA
kΩ
µA
nA
ns
ns
%
V
V
V
V
V
V
V
V
V
V
5