ADP3161 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Lista de partido
ADP3161 Datasheet PDF : 12 Pages
| |||
ADP3161–SPECIFICATIONS1
(VCC = 12 V, IREF = 150 A, TA = 0؇C to 70؇C, unless otherwise noted.)
Parameter
Symbol Conditions
Min Typ Max Unit
FEEDBACK INPUT
Accuracy
1.3 V Output
1.6 V Output
2.05 V Output
Line Regulation
Input Bias Current
Crowbar Trip Point
Crowbar Reset Point
Crowbar Response Time
FB Low Comparator Threshold
REFERENCE
Output Voltage
Output Current
VID INPUTS
Input Low Voltage
Input High Voltage
Input Current
Pull-Up Resistance
Internal Pull-Up Voltage
VFB
∆VFB
IFB
VCROWBAR
tCROWBAR
VFB(LOW)
TPC 1
TPC 1
TPC 1
VCC = 10 V to 14 V
Percent of Nominal Output
Percent of Nominal Output
Overvoltage to PWM Going Low
VREF
IREF
VIL(VID)
VIH(VID)
IVID
RVID
VID(X) = 0 V
1.290 1.3 1.310 V
1.587 1.6 1.613 V
2.034 2.05 2.066 V
0.05
%
5 50
nA
114 124 134
%
50 60 70
%
300
ns
375 425 500
mV
2.952 3.0 3.048 V
300
µA
0.6
V
2.2
V
180 250
µA
20 28
kΩ
4.5 5.0 5.5
V
OSCILLATOR
Maximum Frequency2
Frequency Variation
CT Charge Current
ERROR AMPLIFIER
Output Resistance
Transconductance
Output Current
Maximum Output Voltage
Output Disable Threshold
–3 dB Bandwidth
CURRENT SENSE
Threshold Voltage
∆VCOMP /∆VCS
Input Bias Current
Response Time
fCT(MAX)
∆fCT
ICT
TA = 25°C, CT = 91 pF
TA = 25°C, VFB in Regulation
TA = 25°C, VFB = 0 V
RO(ERR)
gm(ERR)
IO(ERR)
VCOMP(MAX)
VCOMP(OFF)
BWERR
VFB = 0 V
FB Forced to VOUT – 3%
COMP = Open
VCS(TH)
VCS(FOLD)
ni
ICS+, ICS–
tCS
CS+ = VCC,
FB Forced to VOUT – 3%
0.8 V ≤ COMP ≤ 1 V
FB ≤ 375 mV
1 V ≤ VCOMP ≤ 3 V
CS+ = CS– = VCC
CS+ – (CS–) ≥ 89 mV
to PWM Going Low
2000
430 500 570
130 150 170
26 36 46
200
2.0 2.2 2.45
1
3.0
560 720 800
500
69 79 89
0 15
37 47 58
25
0.5 5
50
kHz
kHz
µA
µA
kΩ
mmho
mA
V
mV
kHz
mV
mV
mV
V/V
µA
ns
POWER GOOD COMPARATOR
Undervoltage Threshold
Overvoltage Threshold
Output Voltage Low
Response Time
VPWRGD(UV)
VPWRGD(OV)
VOL(PWRGD)
Percent of Nominal Output
Percent of Nominal Output
IPWRGD(SINK) = 100 µA
FB Going High
FB Going Low
76 82 88
%
114 124 134
%
30 200
mV
2
µs
200
ns
PWM OUTPUTS
Output Voltage Low
Output Voltage High
Output Current
Duty Cycle Limit2
VOL(PWM)
VOH(PWM)
IPWM
DC
IPWM(SINK) = 400 µA
IPWM(SOURCE) = 400 µA
Per Phase, Relative to fCT
100 500
mV
4.5 5.0 5.5
V
0.4 1
mA
50
%
–2–
REV. 0
Share Link: 