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參數(shù)資料
| 型號： | ADP3162JR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 5-Bit Programmable 2-Phase Synchronous Buck Controller |
| 中文描述： | SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 151K |
| 代理商： | ADP3162JR |
REV. A
–2–
ADP3162–SPECIFICATIONS1 (V
CC = 12 V, IREF = 150
A, TA = 0 C to 70 C, unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
FEEDBACK INPUT
Accuracy
VFB
1.05 V Output
Figure 1
1.042 1.050 1.058
V
1.5 V Output
Figure 1
1.488 1.500 1.512
V
1.825 V Output
Figure 1
1.811 1.825 1.839
V
Line Regulation
VFB
VCC = 10 V to 14 V
0.05
%
Input Bias Current
IFB
550
nA
Crowbar Trip Threshold
VCROWBAR
Percent of Nominal DAC Voltage
114
124
134
%
Crowbar Reset Threshold
Percent of Nominal DAC Voltage
50
60
70
%
Crowbar Response Time
tCROWBAR
Overvoltage to PWM Going Low
300
ns
FB Low Foldback Threshold
VFB(LOW)
425
500
575
mV
REFERENCE
Output Voltage
VREF
0
≤ I
REF
≤ 300 A
2.952 3.0
3.048
V
Output Current
IREF
300
A
VID INPUTS
Input Low Voltage
VIL(VID)
0.6
V
Input High Voltage
VIH(VID)
2.2
V
Input Current
IVID
VID(x) = 0 V
280
400
A
Pull-Up Resistance
RVID
12
17
k
Internal Pull-Up Voltage
2.7
3
3.3
V
OSCILLATOR
Maximum Frequency2
fCT(MAX)
2000
kHz
Frequency Accuracy
fCT
TA = 25
°C, CT = 91 pF
430
500
570
kHz
CT Charge Current
ICT
TA = 25
°C, VFB in Regulation
130
150
170
A
TA = 25
°C, V
FB = 0 V
26
36
46
A
ERROR AMPLIFIER
Output Resistance
RO(ERR)
200
k
Transconductance
gm(ERR)
2.0
2.2
2.45
mmho
Output Current
IO(ERR)
FB = 0 V
1
mA
Maximum Output Voltage
VCOMP(MAX)
FB Forced to VOUT – 3%
3.0
V
Output Disable Threshold
VCOMP(OFF)
640
800
880
mV
–3 dB Bandwidth
BWERR
COMP = Open
500
kHz
CURRENT SENSE
Threshold Voltage
VCS(TH)
CS+ = VCC,
69
79
89
mV
FB Forced to VOUT – 3%
0.8 V
≤ COMP ≤ 1 V
0
15
mV
VCS(FOLD)
FB
≤ 375 mV
37
47
58
mV
VCOMP/VCS
ni
1 V
≤ VCOMP ≤ 3 V
25
V/V
Input Bias Current
ICS+, ICS–
CS+ = CS– = VCC
0.5
5
A
Response Time
tCS
CS+ – (CS–)
≥ 89 mV
50
ns
to PWM Going Low
POWER GOOD COMPARATOR
Undervoltage Threshold
VPWRGD(UV)
Percent of Nominal Output
76
82
88
%
Overvoltage Threshold
VPWRGD(OV)
Percent of Nominal Output
114
124
134
%
Output Voltage Low
VOL(PWRGD)
IPWRGD(SINK) = 100
A
30
200
mV
Response Time
200
ns
PWM OUTPUTS
Output Voltage Low
VOL(PWM)
IPWM(SINK) = 400
A
100
500
mV
Output Voltage High
VOH(PWM)
IPWM(SOURCE) = 400
A
4.5
5.0
5.5
V
Output Current
IPWM
0.4
1
mA
Duty Cycle Limit
2
DC
Per Phase, Relative to fCT
50
%
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