FAN1539 Fairchild Semiconductor, FAN1539 Datasheet - Page 6

• Manufacturer Part Number: FAN1539
• Description: 1A/1.3A/ LDO With Low Quiescent Current
• Manufacturer: Fairchild Semiconductor

6
FAN1539/FAN1540
Electrical Characteristics—FAN1540D18X
Unless otherwise specified, V
temperature range of 0
Output Voltage
Ripple Rejection
Ratio (Note 8)
Line Regulation REG
Load Regulation REG
Dropout Voltage
(Note 6)
Current Limit
Min. Output
Current for
regulation
Temperature
Stability
RMS Output
Noise
(Note 7)
Transient
Response
Change of V
with step load
change (Note 9)
Transient
Response
Change of V
with application
of V
(Note 9)
Parameter
V
IN
OUT
3%
OUT
OUT
Symbol
---------------- -
---------------- -
C
I
V
V
V
OMIN
V
I
V
R
V
T
OUT
OUT
(LOAD)
I
OUT
OUT
(LINE)
D
S
S
N
IN
A
T
J
IN
= 3.135V to 3.465V, T
125 C.
3.135V
3.15V
0 to 1.8V Step Input
10% to 90%
t
r
V
3.3V
3.3V
3.3V
3.3V
V
V
IN
IN
IN
1 S
3.465V
TEST CONDITIONS
3.465V
j
= 25°C, I
MAX
5mA
5mA
1mA
5mA
I
OUT
1mA to I
I
MAX
= 1.3A. Boldface limits apply over operating junction
I
I
I
OUT
OUT
OUT
t
t
f
r
I
I
= 500mA
I
I
I
OUT
OUT
OUT
OUT
to 1mA
OUT
1 S
= 5mA
= I
= I
1 S
MAX
MAX
MAX
I
I
I
I
MAX
MAX
MAX
MAX
1.755 1.800 1.845
Min.
40
TEST LIMITS
PRODUCT SPECIFICATION
0.003
Typ.
0.9
2.5
0.3
2.0
3.0
20
3
REV. 1.0.8 3/22/04
V
V
shoot
shoot
shoot
shoot
over-
over-
Max.
(un-
der-
(un-
der-
1.2
OUT
OUT
10
40
10
10
or
of
or
of
0
)
)
%V
Units
mV
mV
mA
dB
%
%
%
V
V
A
OUT