ADP3181 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
fabricante
ADP3181 Datasheet PDF : 24 Pages
| |||
ADP3181
Parameter
CURRENT BALANCE CIRCUIT
Common Mode Range
Input Resistance
Input Current
Input Current Matching
CURRENT LIMIT COMPARATOR
Output Voltage
Normal Mode
In Shutdown
Output Current, Normal Mode
Maximum Output Current2
Current Limit Threshold Voltage
Current Limit Setting Ratio
Delay Normal Mode Voltage
Delay Overcurrent Threshold
Latch-Off Delay Time
SOFT START
Output Current, Soft Start Mode
Soft Start Delay Time
ENABLE INPUT
Input Low Voltage
Input High Voltage
Input Current, Input Voltage Low
Input Current, Input Voltage High
POWER GOOD COMPARATOR
Undervoltage Threshold
Overvoltage Threshold
Output Low Voltage
Power Good Delay Time
During Soft Start2
VID Code Changing
VID Code Static
Crowbar Trip Point
Crowbar Reset Point
Crowbar Delay Time
VID Code Changing
VID Code Static
PWM OUTPUTS
Output Low Voltage
Output High Voltage
SUPPLY
DC Supply Current
UVLO Threshold Voltage
UVLO Hysteresis
Symbol Conditions
VSW(X)CM
RSW(X)
ISW(X)
ΔISW(X)
SW(X) = 0 V.
SW(X) = 0 V.
SW(X) = 0 V.
Min
−600
20
4
−5
VILIMIT(NM) EN > 0.8 V, RILIMIT = 250 kΩ.
2.9
VILIMIT(SD) EN < 0.4 V, IILIMIT = −100 μA.
IILIMIT(NM)
EN > 0.8 V, RILIMIT = 250 kΩ.
60
VCL
VCSREF – VCSCOMP, RILIMIT = 250 kΩ.
VCL/IILIMIT.
105
VDELAY(NM) RDELAY = 250 kΩ.
2.9
VDELAY(OC) RDELAY = 250 kΩ.
1.7
tDELAY
RDELAY = 250 kΩ, CDELAY = 12 nF.
IDELAY(SS)
tDELAY(SS)
During start-up, delay < 2.4 V.
15
RDELAY = 250 kΩ, CDELAY = 12 nF, VID code = 011111.
VIL(EN)
VIH(EN)
0.8
IIL(EN)
EN = 0 V.
−1
IIH(EN)
EN = 1.25 V.
VPWRGD(UV)
VPWRGD(OV)
VOL(PWRGD)
Relative to nominal DAC output.
Relative to nominal DAC output.
IPWRGD(SINK) = 4 mA.
−180
230
RDELAY = 250 kΩ, CDELAY = 12 nF, VID code = 011111. 1
100
VCROWBAR Relative to nominal DAC output.
230
Relative to FBRTN.
630
tCROWBAR Overvoltage to PWM going low.
100
VOL(PWM)
IPWM(SINK) = −400 μA.
VOH(PWM)
IPWM(SOURCE) = 400 μA.
4.0
VUVLO
VCC rising.
6.5
0.7
Typ
30
7
3
12
125
10.4
3
1.8
1.5
20
1
10
−250
300
225
250
200
300
700
250
400
160
5
5
6.9
0.9
Max
+200
40
10
+5
3.1
400
145
3.1
1.9
25
0.4
1
25
−320
370
400
370
770
500
10
7.3
1.1
Unit
mV
kΩ
μA
%
V
mV
μA
μA
mV
mV/μA
V
V
ms
μA
ms
V
V
μA
μA
mV
mV
mV
ms
μs
ns
mV
mV
μs
ns
mV
V
mA
V
V
1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
2 Guaranteed by design, not tested in production.
Rev. A | Page 4 of 24
Share Link: 