LND5203
Electrical Characteristics
At I load = 0mA and TJ = 25 °C unless otherwise specified
PARAMETER
DEVICE
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vcontrol=2.75V, Vpower= 2V, I Load
10mA
=
1.238
1.250
1.262
Reference Voltage
LND5203
V
V
3A
Control=2.7V to 12 V
Power=3.3V to 5.5V, ILoad=10mA to
*
V
1.230
1.250
1.270
VControl =4V, V Power =2V
1.485
1.475
1.500
1.500
1.515
1.525
*
*
V
V
LND5203-1.5
LND5203-2.5
LND5203-2.85
LND5203-3.0
LND5203-3.3
LND5203-3.5
LND5203-5.0
All
V
Control=3V, V Power =2.3V,ILoad =0mA
to 3A
VControl =5V, VPower=3.3V
2.475
2.460
2.500
2.500
2.525
2.540
V
Control=4V, V Power=3.3V ILoad=0mA
to 3A
VControl=5.35V, V Power=3.35V
2.821
2.805
2.850
2.850
2.879
2.895
*
V
V
Control=4.4V,V Power=3.7V, I
Load=0mA to 3A
VControl =5.5V, V Power3.5V
2.970
2.950
3.000
3.000
3.030
3.050
Output Voltage
*
*
*
*
*
V
V
V
V
%
V
Control=4.5V, V Power 3.8V, ILoad=0mA
to 3A
VControl=5.8V, V Power=3.8V
3.267
3.247
3.300
3.300
3.333
3.353
V
Control=4.8V, V Power= 4.1V, ILoad=
0mA to 3A
VControl=6V,VPower=4V
3.465
3.445
3.500
3.500
3.535
3.555
V
Control=5V, VPower=4.3V,ILoad =0mA
to 3A
V
V
to 3 A
Control=7.5V, VPower=5.5V
Control=6.5V V Power=5.8V, ILoad=0mA
4.950
4.920
5.000
5.000
5.050
5.080
ILoad=10mA, (1.5V+Vout) <= V Control
<= 12V,0.8V <=(V Power-VOut) <=
5.5V
Line Regulation
Load Regulation
0.04
0.20
0.40
V
Control=VOut+2.5V,V Power=VOut
All
*
*
*
0.08
1.7
%
+0.8V, Iload=10mA to 3A
Minimum Load
Current(Note 2)
LND5203
All
V Control=5V,VPower =3.3V, VADJ =0V
5
mA
mA
60
V
Control=VOut+2.5V, VPower=VOut+0.8V,
Control Pin Current(Note 3)
I
Load=10mA to 3A
LND5203-1.5/-
2.5/-2.85/-3.0/-
3.3/-3.5/-5.0
V
Control=VOut+2.5, V Power=VOut+0.8V,
Ground Pin Current
*
5
10
mA
I
Load=10mA to 3A
VControl=2.75V, VPower=2.05V
ILoad =10mA
(VIn-VOut)=3V
Adjust Pin Current
Current Limit
LND5203
All
*
*
50
120
µA
A
3
4
V
Control=VPower=VOut+2.5V,VRipple=1Vp
Ripple Rejection
All
60
75
dB
%/W
.p, ILoad=1.5A
Thermal Regulation
Dropout Voltage
LND5203
TA=25ºC,30ms pulse
Note 4
0.003
VPower=VOut+0.8, ILoad=10mA
1.00
1.15
1.15
1.30
Control Input
All
All
*
*
V
V
VPower=VOut+0.8ViLoad=3A
Power Input
VControl=VOut+2.5V, ILoad =3A
0.55
0.70
(VPower-VOut
)
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
LINEAR_DIMENSIONS [ Linear Dimensions ]
