FAN53168MTC FAIRCHILD [Fairchild Semiconductor], FAN53168MTC Datasheet - Page 4

• Manufacturer Part Number: FAN53168MTC
• Description: 6-Bit VID Controlled 2-4 Phase DC-DC Controller
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

FAN53168
Electrical Specifications
(Vcc = 12V, T
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.
4
Parameter
Error Amplifier
Output Voltage Range
Accuracy
Line Regulation
Input Bias Current
FBRTN Current
Output Current
Gain Bandwidth Product
Slew Rate
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
Oscillator
Frequency
Frequency Variation
Output Voltage
RAMPADJ Output Voltage V
RAMPADJ Input Current
Range
2
2
A
= 0 ° C to +85 ° C and FBRTN = GND, unless otherwise noted.)
2
GBW
I
Symbol
RAMPADJ
V
V
V
I
RAMPADJ
I
I
f
I
O(ERR)
IH(VID)
PHASE
FBRTN
IL(VID)
∆ V
IH(VID)
R
f
IL(VID)
COMP
V
V
OSC
I
FB
VID
FB
RT
FB
(ERR)
1
Relative to Nominal DAC Output,
Referenced to FBRTN, CSSUM =
CSCOMP, Figure 3
VCC = 10V to 14V
FB forced to V
COMP = FB
C
VID(X) = 0V
VID(X) = 1.25V
VID Code Change to FB Change
VID Code Change to 11111 to PWM
going low
T
T
T
R
RAMPADJ-FB
A
A
A
COMP
T
= +25°C, R
= +25°C, R
= +25°C, R
= 100k Ω to GND
= 10pF
Conditions
OUT
T
T
T
= 250k Ω , 4-Phase
= 115k Ω , 4-Phase
= 75k Ω , 4-Phase
-3%
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
0.825
Min.
400
400
250
155
-10
-30
-50
0.5
0.8
1.9
13
0
PRODUCT SPECIFICATION
Typ.
0.05
1.00
500
200
400
600
-20
2.0
15
90
20
50
15
60
REV. 1.0.0 6/9/03
Max. Units
4000
+10
120
245
+50
100
3.5
0.4
2.1
17
25
MHz
V/ µ s
kHz
kHz
kHz
kHz
mV
mV
k Ω
µ A
µ A
µ A
µ A
µ A
µA
ns
ns
%
V
V
V
V
V