AZ1085_07 Datasheet, PDF (7/17 Pages) BCD Semiconductor Manufacturing Limited – 3A LOW DROPOUT LINEAR REGULATOR

Data Sheet
3A LOW DROPOUT LINEAR REGULATOR
AZ1085
Electrical Characteristics (Continued)
Typicals and limits appearing in normal type apply for T_J=25^oC. Limits appearing in Boldface type apply over
the entire operating junction temperature range 0 to 125^oC.
Parameter
Symbol
Conditions
Min
Line Regulation
∆V_OUT AZ1085-5.0,
I_OUT=10mA,
6.5V≤V_IN≤10V
AZ1085-ADJ,
0mA≤I_OUT≤3A,
V_IN-V_OUT=3V
AZ1085-1.5,
0mA≤I_OUT≤3A,
V_IN-V_OUT=3V
AZ1085-1.8,
0mA≤I_OUT≤3A,
V_IN-V_OUT=3V
Load Regulation
∆V_OUT ^AZ1085-2.5,
0mA≤I_OUT≤3A,
V_IN-V_OUT=3V
AZ1085-2.85,
0mA≤I_OUT≤3A,
V_IN-V_OUT=3V
AZ1085-3.3,
0mA≤I_OUT≤3A,
V_IN-V_OUT=3V
AZ1085-5.0,
0mA≤ I_OUT≤3A,
V_IN-V_OUT=3V
Dropout Voltage
V_DROP I_OUT=3A, ∆V_REF, ∆V_OUT=1%
Current Limit
I_LIMIT V_IN-V_OUT=3V
3.2
Minimum Load Current I_LOAD V_IN=10V (AZ1085-ADJ)
(MIN)
Quiescent Current
I_Q V_IN=10V (AZ1085)
Ripple Rejection
PSRR f_RIPPLE=120Hz, C_OUT=25µF, I_OUT=3A,
60
V_IN-V_OUT = 3V
Adjust Pin Current
I_ADJ V_IN = 4.25V, I_OUT = 10mA
Adjust Pin Current
Change
∆I_ADJ
10mA ≤ I_OUT ≤ 3A,
1.5V ≤ V_IN -V_OUT ≤ 6V
Long Term Stability
T_A = 125^oC, 1000Hrs
Temperature Stability
I_OUT=10mA, V_IN-V_OUT=1.5V
RMS Noise
(% of V_OUT)
T_A=25^oC, 10Hz≤f≤10kHz
Typ Max Unit
0.5
10
mV
1
10
0.1
0.3
%
0.2
0.4
3
15
mV
7
20
3
15
mV
7
20
3
15
mV
7
20
3
15
mV
7
20
3
15
mV
7
20
5
20
mV
10
35
1.3
1.5
V
4.5
A
3
10
mA
5
10
mA
72
dB
55
120
µA
0.2
5
µA
0.5
%
0.5
%
0.003
%
Mar. 2007 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
7