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參數(shù)資料
| 型號： | ADP3180 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 6-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller |
| 中文描述： | 6位可編程2 - ，3 - ，4相同步降壓控制器 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 529K |
| 代理商： | ADP3180 |
–2–
ADP3180–SPECIFICATIONS
1
(VCC = 12 V, FBRTN = GND, T
A
= 0 C to 85 C, unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
ERROR AMPLIFIER
Output Voltage Range
Accuracy
Line Regulation
Input Bias Current
FBRTN Current
Output Current
Gain Bandwidth Product
Slew Rate
V
COMP
V
FB
D
V
FB
I
FB
I
FBRTN
I
O(ERR)
GBW
(ERR)
Relative to Nominal DAC Output,
Referenced to FBRTN,
CSSUM = CSCOMP (Figure 3)
VCC = 10 V to 14 V
FB Forced to V
OUT
– 3%
COMP = FB
C
COMP
= 10 pF
0.5
–14.5
14
0.05
15.5
90
500
20
50
3.5
+14.5
17
120
V
mV
%
μA
μA
μA
MHz
V/μs
VID INPUTS
Input Low Voltage
Input High Voltage
Input Current, Input Voltage Low
Input Current, Input Voltage High
Pull-Up Resistance
Internal Pull-Up Voltage
VID Transition Delay Time
2
No CPU Detection Turn-Off
Delay Time
2
V
IL(VID)
V
IH(VID)
I
IL(VID)
I
IH(VID)
R
VID
VID(X) = 0 V
VID(X) = 1.25 V
VID Code Change to FB Change
VID Code Change to 11111 to
PWM Going Low
0.8
35
0.825
400
400
–20
15
60
1.00
0.4
–30
25
115
V
V
μA
μA
k
W
V
ns
ns
OSCILLATOR
Frequency Range
2
Frequency Variation
Output Voltage
RAMPADJ Output Voltage
RAMPADJ Input Current Range
f
OSC
f
PHASE
V
RT
V
RAMPADJ
I
RAMPADJ
T
A
= 25°C, R
T
= 250 k
W
, 4-Phase
T
A
= 25°C, R
T
= 115 k
W
, 4-Phase
T
A
= 25°C, R
T
= 75 k
W
, 4-Phase
R
T
= 100 k
W
to GND
RAMPADJ – FB
0.25
155
1.9
–50
0
200
400
600
2.0
4
245
2.1
+50
100
MHz
kHz
kHz
kHz
V
mV
μA
CURRENT SENSE AMPLIFIER
Offset Voltage
Input Bias Current
Gain Bandwidth Product
Slew Rate
Input Common-Mode Range
Positioning Accuracy
Output Voltage Range
Output Current
V
OS(CSA)
I
BIAS(CSA)
GBW
(CSA)
D
V
FB
I
CSCOMP
CSSUM – CSREF, See Test Circuit 1
C
CSCOMP
= 10 pF
CSSUM and CSREF
See Test Circuit 2
I
CSCOMP
= ±100μA
–3
–50
0
–77
0.05
20
50
–80
500
+3
+50
3
–83
3.3
mV
nA
MHz
V/μs
V
mV
V
μA
CURRENT BALANCE CIRCUIT
Common-Mode Range
Input Resistance
Input Current
Input Current Matching
V
SW(X)CM
R
SW(X)
I
SW(X)
D
I
SW(X)
SW(X) = 0 V
SW(X) = 0 V
SW(X) = 0 V
–600
20
4
–5
30
7
+200
40
10
+5
mV
k
W
μA
%
CURRENT LIMIT COMPARATOR
ILIMIT Output Voltage
Normal Mode
In Shutdown
Output Current, Normal Mode
Maximum Output Current
Current Limit Threshold Voltage
Current Limit Setting Ratio
DELAY Normal Mode Voltage
DELAY Overcurrent Threshold
Latch-Off Delay Time
V
ILIMIT(NM)
V
ILIMIT(SD)
I
ILIMIT(NM)
V
CL
V
DELAY(NM)
V
DELAY(OC)
t
DELAY
EN > 1.7 V, R
ILIMIT
= 250 k
W
EN < 0.8 V, I
ILIMIT
= –100 μA
EN > 1.7 V, R
ILIMIT
= 250 k
W
EN > 1.7 V
V
CSREF
– V
CSCOMP
, R
ILIMIT
= 250 k
W
V
CL
/I
ILIMIT
R
DELAY
= 250 k
W
, C
DELAY
= 4.7 nF
2.9
60
105
2.9
1.7
3
12
125
10.4
3
1.8
600
3.1
400
145
3.1
1.9
V
mV
μA
μA
mV
mV/μA
V
V
μs
NOTES
1
All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC).
2
Guaranteed by design, not tested in production.
Specifications subject to change without notice.
REV. 0
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