Data Sheet
1A LOW DROPOUT LINEAR REGULATOR
CURRENT MODE PWM CONTROLLER
Electrical Characteristics (Continued)
AZ1117-1.2V Electrical Characteristics
Operating Conditions: V
IN
≤10V,
T
J
=25
o
C, unless otherwise specified.
Parameter
Output Voltage
Symbol
V
OUT
∆V
OUT
∆V
OUT
Conditions
I
OUT
= 10mΑ,
V
IN
= 3.2V
10mA
≤
I
OUT
≤
1A, 3.0V≤ V
IN
≤
10V
I
OUT
= 10mA, 1.5V≤ V
IN
-V
OUT
≤ 10V
V
IN
-V
OUT
= 2V, 10mA≤ I
OUT
≤1Α
∆V
OUT
= 1%
,
I
OUT
= 0.1Α
Dropout Voltage
∆V
OUT
= 1%
,
I
OUT
= 0.5Α
∆V
OUT
= 1%
,
I
OUT
= 1.0Α
Current Limit
Quiescent Current
Ripple Rejection
I
LIMIT
V
IN
-V
OUT
= 2V
V
IN
=V
OUT
+1.25V
f =120Hz, C
OUT
=22µF Tantalum,
V
IN
-V
OUT
= 3V, I
OUT
=1A
60
1.25
Min
1.176
1.152
Typ
1.2
1.2
1
1
1.00
1.08
1.15
1.35
5
75
10
Max
1.224
1.248
6
10
1.1
1.18
1.25
Unit
V
AZ1117
AZ2842/3/4/5
Line Regulation
Load Regulation
mV
mV
V
V
V
A
mA
dB
Temperature Stability
Long -Term Stability
RMS Output Noise
(% of V
OUT
)
Thermal Resistance,
Junction to Case
θ
JC
T
A
=125
o
C, 1000hrs
T
A
=25
o
C, 10Hz
≤
f
≤ 10kHz
SOT-223
SOT-89-3
TO-252-2
TO-220-3
TO-263-3
Junction Temperature
0.5
0.3
0.003
15
75
10
4.5
4
150
25
%
%
%
o
C/W
Thermal Shutdown
Thermal Shutdown
Hysteresis
o
C
o
C
Oct. 2005 Rev. 1. 7
8
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
