5A LOW DROPOUT LINEAR REGULATOR
FSP1084
ELECTRICAL CHARACTERISTICS (CONTINUED)
Typicals and limits appearing in normal type apply for T
J
=25℃. Limiting appearing in
Boldface
type apply over the
entire operating junction temperature range.
Parameter
Symbol
Reg
Load
Load Regulation
ΔV
OUT
Dropout Voltage
Current Limit
Adjust Pin
Current
Adjust Pin
Current Change
Minimum Load
Current
Quiescent
Current
Ripple Rejection
Temperature
Stability
Long-term
Stability
RMS Noise
(% of V
OUT
)
Thermal
Resistance,
Junction to case
FSP1084-ADJ
FSP1084-1.5/
1.8/2.5/3.3
FSP1084-5.0
I
LIMIT
Test Condition
I
O
=0mA~5A, V
IN
-V
OUT
=3V
I
O
=0mA~5A, V
IN
-V
OUT
=3V
I
O
=0mA~5A, V
IN
-V
OUT
=3V
5.5
Min.
Typ.
0.1
0.2
3
7
5
10
1.3
6.5
55
0.2
3
5
60
72
0.5
0.5
0.003
4
3
3
Max.
0.3
0.4
15
20
20
35
1.5
120
5
10
10
Unit
%
mV
mV
V
A
µA
µA
mA
mA
dB
%
%
%
℃/W
I
O
=5A,
ΔV
REF,
ΔV
OUT
=1%
V
IN
-V
OUT
=3V
I
O
=10mA, V
IN
=4.25V
I
O
=10mA~5A, 1.5V≤V
IN
-V
OUT
≤4.5V
V
IN
=10V (FSP1084-ADJ)
V
IN
=10V (FSP1084)
f=120Hz,C
OUT
=25uF Tantalum,
V
IN
-V
OUT
=3V, I
OUT
=5A
I
O
=10mA, V
IN
-V
OUT
=1.5V
T
A
=125℃, 1000hrs
10Hz≤f≤10kHz
θ
JC
TO252-2L
TO220-3L
TO263-2L
TYPICAL APPLICATIONS
FSP1084-ADJ
Vin
10µF
Tantalum
+
Vin
ADJ
Vout
R1
+
Vout
22µF
Tantalum
R2
Vout=Vref*(1+R2/R1)+Iadj*R2
Vin
10µF
Tantalum
+
FSP1084-5.0
Vin
GND
Vout
+
Vout
22µF
Tantalum
3/9
2007-4-6
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