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