5.0 AMP POSITIVE
VOLTAGE REGULATOR
June 7, 1999
EZ1084
EZ1084B
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, Adj V
IN
= 2.75V to 7.0V and Adj I
O
= 10mA to 5.0A;
Fixed V
IN
= 4.75 to 7.0V and Fixed I
O
= 0 mA to 5.0A
Test Conditions
Parameter
Output Voltage
EZ1084-X.X
Reference Voltage
EZ1084
Reference Voltage
EZ1084B
Line Regulation
(1)
(1)
(1)
(1)
Test Limits
T
J
(5)
Symbol
V
O
V
REF
V
REF
REG
(LINE)
REG
(LOAD)
V
D
V
IN
5V
I
O
0mA
Min
0.99lV
O
l
0.98lV
O
l
1.238
1.225
1.233
1.220
Typ
V
O
V
O
1.250
1.250
1.250
1.250
0.015
0.035
0.05
0.2
1
1.10
1.20
Max
1.01lV
O
l
1.02lV
O
l
1.262
1.275
1.267
1.280
0.2
0.2
0.3
0.4
Units
V
25°C
O.T.
5V
10mA
25°C
O.T.
V
5V
10mA
25°C
O.T.
V
10mA
25°C
O.T.
%
Load Regulation
(1)
5V
25°C
O.T.
%
Dropout Voltage
(2)
25°C
O.T.
V
1.30
1.45
A
14
mA
%/°C
µA
90
EZ1084, EZ1084-X.X
EZ1084B
Current Limit
Quiescent Current
Fixed Voltage Version
Temperature Coefficient
Adjust Pin Current
I
CL
I
Q
T
C
I
ADJ
5V
O.T.
O.T.
O.T.
25°C
O.T.
5.0
7.5
12
0.005
55
Adjust Pin Current
Change
Temperature Stability
Minimum Load Current
Adj Voltage Version
RMS Output Noise
(3)
(4)
∆I
ADJ
T
S
I
O
V
N
R
A
5V
5.0A
5V
5V
0.5A
O.T.
O.T.
O.T.
25°C
O.T.
60
0.2
0.5
5
0.003
72
5
µA
%
10
mA
%V
O
dB
Ripple Rejection Ratio
NOTES:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2)
∆V
OUT
,
∆V
REF
= 1%
(3) Bandwidth of 10 Hz to 10 kHz.
(4) 120 Hz input ripple (C
ADJ
for ADJ = 25µF).
(5) Over Temp. (O.T.) = over specified operating junction temperature range.
2
© 1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
SEMTECH [ SEMTECH CORPORATION ]
