Owner's manual

600mA LOW DROPOUT LINEAR REGULATOR AP1117M
Data Sheet
1A ULDO REGULATOR WITH ENABLE AP2318A
6
May. 2011 Rev 2. 0 BCD Semiconductor Manufacturing Limited
Parameter
Symbol
Conditions
Min Typ Max Unit
Reference Voltage
V
REF
AP2318A-ADJ, I
OUT
=10mA, V
IN
-V
OUT
=2V,
T
J
=25
o
C,10mA≤I
OUT
≤1A, V
OUT
+2V≤V
IN
≤12V
1.231
1.225
1.250
1.250
1.269
1.275
V
Maximum Output
Current
I
OUT
(Max) V
IN
-V
OUT
=2V
1.2 1.5 A
Line Regulation
V
RLINE
AP2318A-ADJ
I
OUT
=10mA, V
OUT
+2V≤V
IN
≤12V
1 6 mV
I
OUT
=10mA, 2.5V≤V
IN
≤12V 1 6 mV
Load Regulation
V
RLOAD
AP2318A-ADJ
V
IN
=V
OUT
+2V, 10mA≤I
OUT
≤1A
1 15 mV
V
IN
=2.5V, 10mA≤I
OUT
≤1A 1 15 mV
Dropout Voltage
V
DROP
∆V
OUT
(∆V
REF
)=1%, V
OUT
>2V, I
OUT
=1A
0.5 V
Adjust Pin Current
I
ADJ
0.05 1
µA
Minimum Load
Current
I
LOAD
(Min) V
OUT
+2V≤V
IN
≤12V (ADJ only)
1.7 5 mA
Quiescent Current
I
Q
V
IN
=V
OUT
+2V, I
OUT
=0mA
250
µA
RMS Output Noise
(% of V
OUT
)
V
NOI
T
A
=25
o
C, 10Hz≤f≤20kHz
0.003 %
Thermal Shutdown
Temperature
150
o
C
Thermal Shutdown
Hysteresis
25
o
C
Enable Input Voltage
V
EN
Enable logic low 0.8
V
Enable logic high 2.25
Enable Input Current
I
EN
V
EN
=2.25V
5 µA
V
EN
=0.8V
4 µA
Thermal Resistance
(Junction to Case)
θ
JC
DFN-3x3-8 15
o
C/W
PSOP-8 12
Electrical Characteristics
Operating Conditions: 2.5V≤V
IN
≤12V, C
IN
=1µF, C
OUT
=2.2µF, T
J
=25
o
C, unless otherwise specified. (P≤Maxi-
mum Power Dissipation). Limits appearing in Boldface type apply over the entire junction temperature range for
operation of -40
o
C to 125
o
C.