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FAN5019BMTCX датащи(PDF) 5 Page - Fairchild Semiconductor

номер детали FAN5019BMTCX
подробное описание детали  6-Bit VID Controller 2-4 Phase VR10.X Controller
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производитель  FAIRCHILD [Fairchild Semiconductor]
домашняя страница  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN5019BMTCX датащи(HTML) 5 Page - Fairchild Semiconductor

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PRODUCT SPECIFICATION
FAN5019B
REV. 1.0.0 Jul/15/05
5
Electrical Specifications
(VCC = 12V, TA = 0°C to +85°C and FBRTN=GND, using circuit in Figure 1, unless otherwise noted.)
The
• denotes specifications which apply over the full operating temperature range.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Error Amplifier
Output Voltage Range
VCOMP
0.5
3.5
V
Accuracy
VFB
Relative to DAC Setting,
referenced to FBRTN,
CSSUM = CSCOMP,
Test Circuit 3
VRM10
VRM9
-10
-12
+10
+12
mV
Line Regulation
ΔVFB
VCC=10V to 14V
0.05
%
Input Bias Current
IFB
-17
-15
-13
µA
FBRTN Current
IFBRTN
150
180
µA
Output Current
IO(ERR)
FB forced to VOUT – 3%
300
500
µA
Gain Bandwidth Product
GBW
COMP = FB ( See Note 2)
20
MHz
DC Gain
CCOMP = 10pF ( See Note 2)
77
dB
VID Inputs
Input Low Voltage
VIL(VID)
VRM10
VRM9
0.4
0.8
V
V
Input High Voltage
VIH(VID)
VRM10
VRM9
0.8
2.0
V
V
Input Current, VID Low
IIL(VID)
VID(X) = 0V
-30
-20
µA
Input Current, VID High
IIH(VID)
VID(X) = 1.15V
-2
2
µA
Pull-up Resistance
RVID
Internal
35
60
115
k
Ω
Internal Pull-up Voltage
VRM10
VRM9
1.0
2.2
1.15
2.4
1.26
2.6
V
V
VID Transition Delay
Time2
VID Code Change to FB Change
400
ns
“No CPU” Detection
Turn-off Delay Time2
VID Code Change to 11111X to PWM
going low
400
ns
VID Table Select
Vtblsel
To select VRM9 table
To select VRM10 table (becomes VID5)
4
3.5
V
V
Oscillator
Frequency
fOSC
200
4000
kHz
Frequency Variation
fPHASE
TA = +25°C, RT = 250kΩ, 4-Phase
TA = +25°C, RT = 115kΩ, 4-Phase
TA = +25°C, RT = 75kΩ, 4-Phase
155
200
400
600
245
kHz
kHz
kHz
Output Voltage
VRT
RT = 100kΩ to GND
1.9
2.0
2.1
V
RAMPADJ Pin Accuracy
VRAMPADJ
VRAMPADJ = Vdac = +2K • (Vin–Vdac)/
(Rr+2k) @ 20µA
-50
+50
mV
RAMPADJ Input Current
IRAMPADJ
Current into RAMPADJ pin
0
100
µA
Current Sense Amplifier
Offset Voltage
VOS(CSA)
CSSUM–CSREF, Test Circuit 1
-1.5
+1.5
mV
Input Bias Current
IBIAS(CSA)
-50
+50
nA
Gain Bandwidth Product
GBW
COMP = FB ( See Note 2)
10
MHz
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.


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