EZ1085 Datasheet, PDF (2/4 Pages) Semtech Corporation – 3.0 AMP POSITIVE VOLTAGE REGULATOR

June 17, 1999
3.0 AMP POSITIVE
VOLTAGE REGULATOR
EZ1085
EZ1085B
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, Adj V_IN = 2.75V to 7.0V and Adj I_O = 10mA to 3.0A;
Fixed V_IN = 4.75 to 7.0V and Fixed I_O = 0 mA to 3.0A
Parameter
Output Voltage⁽¹⁾
EZ1085-X.X
Reference Voltage ⁽¹⁾
EZ1085
Reference Voltage ⁽¹⁾
EZ1085B
Line Regulation⁽¹⁾
Symbol
V_O
V_REF
V_REF
REG_(LINE)
Load Regulation⁽¹⁾
REG_(LOAD)
Dropout Voltage⁽²⁾
V_D
EZ1085, EZ1085-X.X
EZ1085B
Current Limit
I_CL
Quiescent Current
Fixed Voltage Version
I_Q
Temperature Coefficient
T_C
Adjust Pin Current
I_ADJ
Adjust Pin Current
Change
Temperature Stability
Minimum Load Current
Adj Voltage Version
RMS Output Noise⁽³⁾
Ripple Rejection Ratio⁽⁴⁾
∆I_ADJ
T_S
I_O
V_N
R_A
Test Conditions
V_IN
I_O
5V
0mA
5V
10mA
5V
10mA
10mA
5V
T_J(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.
O.T.
Test Limits
Min
Typ
Max Units
0.99lV_Ol
V_O
1.01lV_Ol V
0.98lV_Ol
V_O
1.02lV_Ol
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
1.20
1.45
3.0
4.5
A
5V
O.T.
12
14
mA
O.T.
25°C
O.T.
0.005
55
%/°C
µA
90
O.T.
0.2
5
µA
5V
0.5A
O.T.
0.5
%
5V
O.T.
5
10
mA
25°C
0.003
5V
3.0A
O.T.
60
72
%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