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ADP3186 Datasheet(PDF) 3 Page - Analog Devices

Part # ADP3186
Description  5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3186 Datasheet(HTML) 3 Page - Analog Devices

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ADP3186
Rev. A | Page 3 of 24
SPECIFICATIONS
VCC = 12 V, FBRTN = GND, TA = 0°C to 85°C, unless otherwise specified.1
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
ERROR AMPLIFIER
Output Voltage Range2
VCOMP
0.5
3.5
V
Accuracy
VFB
0.8 V Output
Referenced to FBRTN,
CSSUM = CSCOMP, Figure 2
TSSOP
0.7920
0.8080
V
QSOP
0.7880
0.8120
V
1.175 V Output
Referenced to FBRTN,
CSSUM = CSCOMP, Figure 2
TSSOP
1.1633
1.1868
V
QSOP
1.1574
1.1926
V
1.55 V Output
Referenced to FBRTN,
CSSUM = CSCOMP, Figure 2
TSSOP
1.5345
1.5655
V
QSOP
1.5268
1.5733
V
Line Regulation
ΔV
FB
VCC = 10 V to 14 V
0.05
%
Input Bias Current
IFB
−13
−15.5
−17
μA
FBRTN Current
IFBRTN
100
200
μA
Output Current
IO(ERR)
FB Forced to VOUT – 3%
500
μA
Gain Bandwidth Product
GBW(ERR)
COMP = FB
20
MHz
Slew Rate
CCOMP = 10 pF
25
V/
μs
VID INPUTS
Input Low Voltage
VIL(VID)
0.8
V
Input High Voltage
VIH(VID)
1.5
V
Input Current, Input Voltage Low
IIL(VID)
VID(X) = 0 V
20
26
μA
Pull-Up Resistance
RVID
100
120
kΩ
Internal Pull-Up Voltage
2.0
2.4
2.65
V
VID Transition Delay Time2
VID code change to FB change
400
ns
No CPU Detection Turn-Off Delay
Time2
VID code change to 11111 to PWM
going low
400
ns
OSCILLATOR
Frequency Range2
fOSC
0.25
4
MHz
Frequency Variation
fPHASE
TA = 25°C, RT = 250 kΩ, 4-phase
155
200
245
kHz
TA = 25°C, RT = 115 kΩ, 4-phase
400
kHz
TA = 25°C, RT = 75 kΩ, 4-phase
600
kHz
Output Voltage
VRT
RT = 100 kΩ to GND
1.9
2.0
2.1
V
Timing Resistor Value
500
kΩ
RAMPADJ Output Voltage
VRAMPADJ
RAMPADJ – FB
−50
+50
mV
RAMPADJ Input Current Range
IRAMPADJ
0
50
μA
CURRENT SENSE AMPLIFIER
Offset Voltage
VOS(CSA)
CSSUM – CSREF, Figure 3
TSSOP
−3
+3
mV
QSOP
−3.5
+3.5
mV
Input Bias Current
IBIAS(CSSUM)
−50
+50
nA
Gain Bandwidth Product
GBW(CSA)
10
MHz
Slew Rate
CCSCOMP = 10 pF
10
V/
μs
Input Common-Mode Range
CSSUM and CSREF
0
2.7
V



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