ADP3155JRU 查看數據表（PDF） - Analog Devices
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ADP3155JRU
Analog Devices
ADP3155JRU Datasheet PDF : 14 Pages
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ADP3155–SPECIFICATIONS (0؇C ≤ TA ≤ +70؇C, VCC = 12 V, VIN = 5 V, unless otherwise noted)1
Parameter
Symbol Conditions
Min Typ Max
OUTPUT ACCURACY
1.3 V Output Voltage
2.0 V Output Voltage
3.5 V Output Voltage
VO
(Figure 13)
1.283 1.3
1.980 2.0
3.465 3.5
1.317
2.020
3.535
OUTPUT VOLTAGE LINE
REGULATION
INPUT DC SUPPLY CURRENT2
Normal Mode
Shutdown
CURRENT SENSE THRESHOLD
VOLTAGE
VID0–VID4 THRESHOLD
Low
High
∆VO
ILOAD = 10 A (Figure 2)
VIN = 4.75 V to 5.25 V
IQ
VSD = 0.6 V
TA = +25°C, VID Pins Floating
VSENSE(TH) VSENSE– Forced to VOUT – 3%
VID(TH)
0.05
4.1 5.5
140 250
125 145 165
0.6
2.0
VID0–VID4 INPUT CURRENT
IVID
VID = 0 V
VID0–VID4 PULL-UP RESISTANCE
RVID
CT PIN DISCHARGE CURRENT
I11
TA = +25°C
VOUT in Regulation
VOUT = 0 V
OFF-TIME
tOFF
CT = 150 pF
DRIVER OUTPUT TRANSITION
TIME
tR, tF
CL = 7000 pF (Pins 17, 18)
TA = +25°C
POSITIVE POWER GOOD TRIP POINT3 VPWRGD % Above Output Voltage
NEGATIVE POWER GOOD TRIP POINT3 VPWRGD % Below Output Voltage
POWER GOOD RESPONSE TIME
tPWRGD
CROWBAR TRIP POINT
VCROWBAR % Above Output Voltage
ERROR AMPLIFIER
OUTPUT IMPEDANCE
ROERR
ERROR AMPLIFIER
TRANSCONDUCTANCE
gm(ERR)
ERROR AMPLIFIER MINIMUM
OUTPUT VOLTAGE
VCMPMIN VSENSE+ Forced to VOUT + 3%
ERROR AMPLIFIER MAXIMUM
OUTPUT VOLTAGE
VCMPMAX VSENSE+ Forced to VOUT – 3%
ERROR AMPLIFIER BANDWIDTH –3 dB BWERR CMP = Open
LINEAR REGULATOR FEEDBACK
CURRENT
IFB
LINEAR REGULATOR
OUTPUT VOLTAGE
VOLDO1,
VOLDO2
Figure 2, R3 = R5 = 20 kΩ
R4 = R6 = 35 kΩ, IO = 1 A
SHUTDOWN (SD) PIN
Low Threshold
High Threshold
Input Current
SDL
SDH
SDIC
Part Active
Part in Shutdown
NOTES
1All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods.
2Dynamic supply current is higher due to the gate charge being delivered to the external MOSFETs.
3The trip point is for the output voltage coming into regulation.
Specifications subject to change without notice.
110
20 30
65
2
1.8 2.45
120
5
–8 –5
500
9 15
275
2.2
0.8
2.4
500
0.35
3.24 3.30
2.0
10
220
10
3.2
200
8
24
1
3.38
0.6
Units
V
V
V
%
mA
µA
mV
V
V
µA
kΩ
µA
µA
µs
ns
%
%
µs
%
kΩ
mmho
V
V
kHz
µA
V
V
V
µA
–2–
REV. A
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