ADP3157 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADP3157 Datasheet PDF : 12 Pages
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ADP3157–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
OUTPUT VOLTAGE LINE
REGULATION
INPUT DC SUPPLY CURRENT2
Normal Mode
Shutdown
CURRENT SENSE THRESHOLD
VOLTAGE
VID0–VID4 THRESHOLD
Low
High
VO
(Figure 13)
∆VO
ILOAD = 10 A (Figure 2)
VIN = 4.75 V to 5.25 V
1.283 1.3
1.980 2.0
3.465 3.5
1.317
2.020
3.535
0.05
IQ
VSD = 0.6 V
TA = +25°C, VID Pins Floating
4.1 5.5
140 250
VSENSE(TH) VSENSE– Forced to VOUT – 3%
VID(TH)
125 145 165
0.6
2.0
VID0–VID4 INPUT CURRENT
VID0–VID4 PULL-UP RESISTANCE
CT PIN DISCHARGE CURRENT
OFF-TIME
DRIVER OUTPUT TRANSITION
TIME
POSITIVE POWER GOOD TRIP POINT3
NEGATIVE POWER GOOD TRIP POINT3
POWER GOOD RESPONSE TIME
CROWBAR TRIP POINT
ERROR AMPLIFIER
OUTPUT IMPEDANCE
ERROR AMPLIFIER
TRANSCONDUCTANCE
ERROR AMPLIFIER MINIMUM
OUTPUT VOLTAGE
ERROR AMPLIFIER MAXIMUM
OUTPUT VOLTAGE
ERROR AMPLIFIER BANDWIDTH –3 dB
SHUTDOWN (SD) PIN
Low Threshold
High Threshold
Input Current
IVID
RVID
I12
tOFF
tR, tF
VPWRGD
VPWRGD
tPWRGD
VCROWBAR
VID = 0 V
TA = +25°C
VOUT in Regulation
VOUT = 0 V
CT = 150 pF
CL = 7000 pF (Drive 1, 2)
TA = +25°C
% Above Output Voltage
% Below Output Voltage
% Above Output Voltage
ROERR
gm(ERR)
VCMPMIN VSENSE+ Forced to VOUT + 3%
VCMPMAX
BWERR
VSENSE+ Forced to VOUT – 3%
CMP = Open
SDL
SDH
SDIC
Part Active
Part in Shutdown
110 220
20 30
65
2
10
1.8 2.45 3.2
120 200
5
8
–8 –5
500
9
15 24
275
2.2
0.8
2.4
500
0.6
2.0
10
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 change being delivered to the external MOSFETs.
3The trip point is for the output voltage coming into regulation.
Specifications subject to change without notice.
Units
V
V
V
%
mA
µA
mV
V
V
µA
kΩ
µA
µA
µs
ns
%
%
µs
%
kΩ
mmho
V
V
kHz
V
V
µA
–2–
REV. A
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