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ADP3193A Arkusz danych(PDF) 3 Page - ON Semiconductor

Numer części ADP3193A
Szczegółowy opis  8-Bit, Programmable, 2- to 3-Phase, Synchronous Buck Controller
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Producent  ONSEMI [ON Semiconductor]
Strona internetowa  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADP3193A Arkusz danych(HTML) 3 Page - ON Semiconductor

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ADP3193A
Rev. 1 | Page 3 of 29 | www.onsemi.com
SPECIFICATIONS
VCC = 5 V, FBRTN = GND, TA = 0°C to 85°C, unless otherwise noted.1
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
REFERENCE CURRENT
Reference Bias Voltage
VIREF
1.5
V
Reference Bias Current
IIREF
RIREF = 100 kΩ
14.25
15
15.75
μA
ERROR AMPLIFIER
Output Voltage Range2
VCOMP
0
4.4
V
Accuracy
VFB
Relative to nominal DAC output, referenced
to FBRTN (see Figure 4)
−7.7
+7.7
mV
VFB(BOOT)
In startup
1.092
1.1
1.108
V
Differential Nonlinearity
−1
+1
LSB
Input Bias Current
IFB
IFB = IIREF
13.5
15
16.5
μA
FBRTN Current
IFBRTN
65
200
μA
Output Current
ICOMP
FB forced to VOUT − 3%
500
μA
Gain Bandwidth Product
GBW(ERR)
COMP = FB
20
MHz
Slew Rate
COMP = FB
25
V/μs
Boot Voltage Hold Time
tBOOT
CDELAY = 10 nF
2
ms
VID INPUTS
Input Low Voltage
VIL(VID)
VID(x), VIDSEL
0.4
V
Input High Voltage
VIH(VID)
VID(x), VIDSEL
0.8
V
Input Current
IIN(VID)
−1
μA
VID Transition Delay Time2
VID code change to FB change
400
ns
No CPU Detection Turn-Off Delay Time2
VID code change to PWM going low
5
μs
OSCILLATOR
Frequency Range2
fOSC
0.25
4
MHz
Frequency Variation
fPHASE
TA = 25°C, RT = 210 kΩ, 3-phase
240
260
293
kHz
TA = 25°C, RT = 100 kΩ, 3-phase
530
kHz
TA = 25°C, RT = 40 kΩ, 3-phase
1000
kHz
Output Voltage
VRT
RT = 243 kΩ to GND
1.9
2.0
2.1
V
RAMPADJ Output Voltage
VRAMPADJ
RAMPADJ − FB
−50
+50
mV
RAMPADJ Input Current Range
IRAMPADJ
1
50
μA
CURRENT SENSE AMPLIFIER
Offset Voltage
VOS(CSA)
CSSUM − CSREF (see Figure 4)
−1.0
+1.0
mV
Input Bias Current
IBIAS(CSSUM)
−10
+10
nA
Gain Bandwidth Product
GBW(CSA)
CSSUM = CSCOMP
10
MHz
Slew Rate
CCSCOMP = 10 pF
10
V/μs
Input Common-Mode Range
CSSUM and CSREF
0
3.5
V
Output Voltage Range
0.05
3.5
V
Output Current
ICSCOMP
500
μA
Current Limit Latch-Off Delay Time
tOC(DELAY)
CDELAY = 10 nF
8
ms
CURRENT BALANCE AMPLIFIER
Common-Mode Range
VSW(x)CM
−600
+200
mV
Input Resistance
RSW(x)
SW(x) = 0 V
10
17
26
Input Current
ISW(x)
SW(x) = 0 V
8
12
20
μA
Input Current Matching
ΔISW(x)
SW(x) = 0 V
−4
+4
%


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