EZ1587 Datasheet, PDF (2/5 Pages) Semtech Corporation – 3.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS

3.0 AMP LOW DROPOUT
POSITIVE VOLTAGE REGULATORS
EZ1587
November 22, 1999
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, Adj V_IN = 2.75 to 7.0V and ADJ I_O = 10mA to 3.0A;
Fixed (V_OUT +1.5) to 7.0V and Fixed I_O = 0mA to 3.0A
Test Conditions
Test Limits
Parameter
Output Voltage ⁽¹⁾
Symbol
V_IN
V_O
5V
I_O
10mA
T_J(5)
25°C
Min
0.99|V_O|
Typ
Max
V_O
1.01|V_O|
Fixed Voltage Version
Reference Voltage ⁽¹⁾
V_REF
5V
10mA
O.T. 0.98|V_O|
25°C 1.238
V_O
1.250
1.02|V_O|
1.262
Adj Voltage Version
O.T. 1.225
1.250 1.275
Line Regulation⁽¹⁾
REG_(LINE)
25°C
0.005
0.2
Fixed Voltage Version
0mA
O.T.
0.035
0.2
Units
V
V
%
Adj Voltage Version
Load Regulation⁽¹⁾
Dropout Voltage⁽²⁾
EZ1587
REG_(LOAD)
5V
V_D
10mA
25°C
O.T.
25°C
O.T.
0.05
0.3
%
0.2
0.4
1
V
1.1
1.3
Current Limit
I_CL
Quiescent Current
Fixed Voltage Version
I_Q
5V
O.T. 3.1
O.T.
4.5
A
10
13
mA
Temperature Coefficient
T_C
Adjust Pin Current
I_ADJ
O.T.
25°C
O.T.
0.004
55
0.02 %/°C
µA
90
Adjust Pin Current
Change
∆I_ADJ
O.T.
0.2
5
µA
Temperature Stability
T_S
5V
Minimum Load Current
Adj Voltage Version
I_O
5V
RMS Output Noise⁽³⁾
V_N
Ripple Rejection Ratio⁽⁴⁾
R_A
5V
0.5A
O.T.
O.T.
25°C
3.0A
O.T.
60
0.5
5
0.003
72
%
10
mA
%V_O
dB
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.
© 1999 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320