FAN1539MPX データシートの表示（PDF） - Fairchild Semiconductor
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FAN1539MPX Datasheet PDF : 15 Pages
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Electrical Characteristics—FAN1539MPX, FAN1540MPX, FAN1540MMPX,
FAN1540DX
Unless otherwise specified, VIN = 4.50V to 7V, Tj = 25°C, IMAX (FAN1539) = 1.0A, IMAX (FAN1540) = 1.3A.
Boldface limits apply over operating junction temperature range of 0°C ≤ TJ ≤ 125°C.
Test Conditions
Test Limits
Parameter
Output Voltage
FAN1540
Symbol
VIN
VOUT 4.75V ≤ VIN ≤ 5.25V
IOUT
5mA ≤ IOUT ≤ IMAX
Min. Typ.
3.234 3.300
3.217
Max.
3.366
3.383
Units
V
Line Regulation
Load Regulation
REG(LINE) 3.0V ≤ VIN ≤ 5.25V
REG(LOAD)
4.75V
5mA ≤ IOUT ≤ IMAX
5mA ≤ IOUT FAN1539
≤ IMAX FAN1540
2
15
mV
25
35
mV
30
40
Dropout Voltage
VD
(Note 6)
IOUT = IMAX
0.9
1.2
V
Current Limit
Min. Output
Current for
regulation
(∆VOUT ≤ 3%)
Temperature
Stability
IS
IOMIN
TS
5.5V
IOUT = 5mA
3.3
A
0
mA
0.3
%
RMS Output
VN
Noise
(Note 7)
IOUT = IMAX
0.003
%VOUT
Ripple Rejection
RA
5V
Ratio (Note 8)
Transient
Response
Change of VOUT
∆--∆---V-I--O-O---U-U--T--T-
5V
with step load
change (Note 9)
IOUT = 10mA
IOUT = 100mA
IOUT = IMAX
1mA to IMAX
tr ≥ 1µS
IMAX to 1mA
tf ≥ 1µS
65 75
dB
63 73
45 57
2.0
10
(under-
%
shoot or
overshoot
of VOUT)
Transient
Response
Change of VOUT
with application
of VIN
(Note 9)
-∆--∆--V--V--O---I-UN----T-
0 to 5V Step Input
tr ≥ 1µS
10% to 90%
1mA ≤ IOUT ≤ IMAX
Transient
Response
Short circuit
Removal
Response
(Note 9)
Quiescent
Current
-∆--∆--V--V--O--I--UN----T-
@IOUT =
short
IGND
5V
VIN ≤ 7V
IOUT = short
to
IOUT = 10mA
IOUT = 0mA
5.0
10
%
(under-
shoot or
overshoot
of VOUT)
5.0 10 (over- %
shoot or
under-
shoot of
VO)
1.0
2.0
mA
4
FAN1539/FAN1540 Rev. 1.1.1
www.fairchildsemi.com
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