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參數資料
| 型號： | ADP3166JRU-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 5-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller |
| 中文描述： | SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | TSSOP-28 |
| 文件頁數： | 2/20頁 |
| 文件大小： | 351K |
| 代理商： | ADP3166JRU-REEL |
REV. 0
–2–
ADP3166–SPECIFICATIONS
1
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
ERROR AMPLIFIER
Accuracy
0.8 V Output
V
FB
Referenced to FBRTN, CSSUM = CSCOMP,
See Test Circuit 1
Referenced to FBRTN, CSSUM = CSCOMP,
See Test Circuit 1
Referenced to FBRTN, CSSUM = CSCOMP,
See Test Circuit 1
VCC = 10 V to 14 V
0.792 0.800 0.808
V
1.175 V Output
1.163 1.175 1.187
V
1.55 V Output
1.535 1.55
1.566
V
Line Regulation
Input Bias Current
FBRTN Current
Output Current
Gain Bandwidth Product
Slew Rate
VID INPUTS
Input Low Voltage
Input High Voltage
Input Current
Pull-Up Resistance
Internal Pull-Up Voltage
VID Transition Delay Time
2
No CPU Detection Turn-Off
Delay Time
2
V
FB
I
FB
I
FBRTN
I
O(ERR)
GBW
(ERR)
0.05
–15.5 –17
100
500
20
50
%
μ
A
μ
A
μ
A
MHz
V/
μ
s
–13
200
FB forced to V
OUT
– 3%
COMP = FB
C
COMP
= 10 pF
V
IL(VID)
V
IH(VID)
I
VID
R
VID
0.8
V
V
μ
A
k
V
ns
ns
2
VID(X) = 0 V
20
120
2.4
26
100
2.0
400
400
2.65
VID code change to FB change
VID code change to 11111 to
PWM going low
OSCILLATOR
Frequency Range
2
Frequency Variation
f
OSC
f
PHASE
0.25
160
4
240
MHz
kHz
kHz
kHz
V
k
mV
μ
A
T
A
= 25
°
C, R
T
= 250 k
, 4-phase
T
A
= 25
°
C, R
T
= 115 k
, 4-phase
2
T
A
= 25
°
C, R
T
= 75 k
, 4-phase
2
R
T
= 100 k
to GND
200
400
600
2.0
Output Voltage
Timing Resistor Value
RAMPADJ Voltage
RAMPADJ Input Current Range
V
RT
1.9
2.1
500
+50
50
V
RAMPADJ
I
RAMPADJ
RAMPADJ – FB
–50
0
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
CSSUM – CSREF, see Test Circuit 2
–3
+3
100
mV
nA
MHz
V/
μ
s
V
mV
V
μ
A
20
20
50
C
CSCOMP
= 10 pF
CSSUM and CSREF
See Test Circuit 3
I
CSCOMP
=
±
100
μ
A
0
–76
0.05
3
–84
3.3
V
FB
–80
I
CSCOMP
500
CURRENT BALANCE CIRCUIT
Common-Mode Range
Input Resistance
Input Current
Input Current Matching
V
SW(X)CM
R
SW(X)
I
SW(X)
I
SW(X)
–600
24
5
–5
+200
36
9
+5
mV
k
μ
A
%
SW(X) = 0 V
SW(X) = 0 V
SW(X) = 0 V
30
7
CURRENT LIMIT COMPARATOR
Output Voltage
Normal Mode
In Shutdown
Output Current, Normal Mode
Maximum Output Current
Current Limit Threshold Voltage
Current Limit Setting Ratio
Latch-Off Delay Threshold
Latch-Off Delay Time
V
ILIMIT(NM)
V
ILIMIT(SD)
I
ILIMIT(NM)
EN > 2 V
EN < 0.8 V, I
ILIMIT
= –100
μ
A
EN > 2 V, R
ILIMIT
= 250 k
EN > 2 V
V
CSREF
– V
CSCOMP
, R
ILIMIT
= 250 k
V
CL
/I
ILIMIT
In current limit
R
DELAY
= 250 k
, C
DELAY
= 4.7 nF
2.9
3
3.1
400
V
mV
μ
A
μ
A
mV
mV/
μ
A
V
μ
s
12
60
105
V
CL
125
10.4
1.8
600
145
V
SET(DLY)
t
SET(DLY)
1.7
1.9
(V
CC
= 12 V, FBRTN = GND, T
A
= 0 C to 85 C, unless otherwise noted.)
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