Analog Microelectronics, Inc.
5A Low Dropout
Positive Voltage Regulator
AME1084
n Electrical Characteristics
1. 1084AXXX
Parameter
Symbol
Test Conditions
Min.
Typ. Max. Units
Reference voltage
VIN = 5V
TJ =25OC
1.238
1.262
VREF
1.250
V
%
%
V
(adjustable voltage)
IO = 10mA
Over temp. 1.225
1.275
0.2
0.2
0.3
0.4
1.4
-
VIN = 2.75 - 7V
IO = 10mA
TJ =25OC
Over temp.
TJ =25OC
Over temp.
TJ =25OC
Over temp.
-
0.015
0.035
0.05
0.2
1.2
1.3
-
Line regulation
RegLINE
RegLOAD
VD
-
VIN = 5V
-
Load regulation
Dropout voltage
IO = 10mA - 5A
VIN = 2.75 - 7V
IO = 10mA - 5A
VIN = 2.75 - 7V, Over temp.
-
-
V
,
V
∆
REF
= 1%
-
∆
OUT
Current limit
IS
5.0
-
A
%/OC
Temperature Coefficient
TC
VIN = 2.75 - 7V, IO = 10mA - 5A
-
-
-
0.005
55
-
VIN = 2.75 - 7V
IO = 10mA - 5A
TJ = 25OC
-
Adjust pin current
IADJ
Over temp.
-
90
A
µ
VIN = 2.75 - 7V, IO = 10mA - 5A
Over temp.
Adjust pin current change
I
-
0.2
5
∆
ADJ
Temperature stability
Minimum load current
RMS output noise
TS
IO
VIN = 5V, IO = 500mA, Over temp.
0.5
-
0.5
5
-
10
-
%
VIN = 5V
TJ = 25OC
mA
%VO
dB
VN
RA
-
0.003
72
VIN = 5V, IO = 5A, Over temp.
Ripple rejection ratio
60
-
2. 1084DXXX
Parameter
Symbol
Test Conditions
Min.
Typ. Max. Units
Output voltage
VIN = 5V
TJ =25OC
3.267
3.333
Vo
3.300
V
%
%
V
(fixed voltage)
IO = 0A
Over temp. 3.234
3.366
0.2
0.2
0.3
0.4
1.4
-
VIN = 4.5 - 7V
IO = 0A
TJ =25OC
Over temp.
TJ =25OC
Over temp.
TJ =25OC
Over temp.
-
0.015
0.035
0.05
0.2
Line regulation
RegLINE
RegLOAD
-
VIN = 5V
-
Load regulation
Dropout voltage
IO = 0A - 5A
VIN = 4.5 - 7V
IO = 0A - 5A
VIN = 4.5 - 7V, Over temp.
-
-
1.2
VD
IS
V
,
V
∆
REF
= 1%
-
1.3
∆
OUT
Current limit
5.0
-
-
A
Quiescent current
(fixed model)
IQ
VIN=5V, Io=0-5A, Over temp.
-
12
13
mA
%/0C
Temperature Coefficient
Temperature stability
RMS output noise
Ripple rejection ratio
TC
TS
VIN = 4.5 - 7V, IO = 0A - 5A
-
0.5
-
0.005
0.5
-
-
-
-
VIN = 5V, IO = 500mA, Over temp.
TJ = 25OC
%
%VO
dB
VN
RA
0.003
72
VIN = 5V, IO = 5A, Over temp.
60
5
AME [ ANALOG MICROELECTRONICS ]
