Diodes AP1084 Manuel d'utilisateur Page 5

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AP1084
5A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
AP1084 Rev. 9 5 of 11 JANUARY 2010
DS31070 www.diodes.com © Diodes Incorporated
Electrical Characteristics (Under Operating Conditions)
Symbol
Parameter
Conditions Min Typ. Max Unit
V
REF
Reference
Voltage
Io = 10mA, T
A
= 25
o
C, (V
IN
-V
OUT
) = 1.5V 1.225 1.250 1.275 V
Line
Regulation
AP1084-XXX I
O
= 10mA, V
OUT
+1.5V<V
IN
<12V, T
A
= 25
o
C 0.2 %
AP1084-1.5
I
OUT
= 10mA, T
A
= 25
o
C, 3VV
IN
12V
1.470 1.500 1.530 V
AP1084-1.8
I
OUT
= 10mA, T
A
= 25
o
C, 3.3VV
IN
12V
1.764 1.800 1.836 V
AP1084-2.5
I
OUT
= 10mA, T
A
= 25
o
C, 4VV
IN
12V
2.450 2.500 2.550 V
AP1084-3.3
I
OUT
= 10mA, T
A
= 25
o
C, 4.8VV
IN
12V
3.235 3.300 3.365 V
AP1084-5.0
I
OUT
= 10mA, T
A
= 25
o
C, 6.5VV
IN
12V
4.900 5.000 5.100 V
Load
Regulation
AP1084-Adj V
IN
= 3.3V, 0mA<Io<5A, T
A
= 25
o
C 1 %
AP1084-1.5
V
IN
= 3V, 0mA<Io<5A, T
A
= 25
o
C
(Note 3, 4)
12 15 mV
AP1084-1.8
V
IN
= 3.3V, 0mA<Io<5A
T
A
= 25
o
C (Note 3, 4)
15 18 mV
AP1084-2.5
V
IN
= 4V, 0mA < Io < 5A
T
A
= 25
o
C (Note 3, 4)
20 25 mV
AP1084-3.3 V
IN
= 5V, 0mA < Io < 5A, T
A
= 25
o
C (Note 3, 4) 26 33 mV
AP1084-5.0
V
IN
= 8V, 0mA < Io < 5A, T
A
= 25
o
C
(Note 3, 4)
40 50 mV
ΔVo
Dropout
Voltage
I
o
= 5.0A (ΔV
OUT
= 1% V
OUT
)
1.3 1.4 V
Current Limit V
IN
-V
OUT
= 5V 5.1 A
Minimum Load
Current
5 10 mA
Temperature
Stability
I
o
= 10mA 0.5 %
T
SD
Thermal
Shutdown
Temperature
150
O
C
θ
JA
Thermal
Resistance
Junction-to-
Ambient
(Note 5)
TO220-3L 78
O
C/W
TO252-3L 73
TO263-3L 60
θ
JC
Thermal
Resistance
Junction-to-
Case (Note 5)
TO220-3L:Control Circuitry/Power Transistor 3.5
O
C/W
TO252-3L:Control Circuitry/Power Transistor 12
TO263-3L:Control Circuitry/Power Transistor 3.5
Notes: 3. See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant
junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18” from the package.
4. Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the difference
between input and output and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.
5. Test conditions for TO220-3L, TO252-3L and TO263-3L: Devices mounted on FR-4 substrate, single sided PC board, 2oz copper, with minimum
recommended pay layout, no air flow. The case point of θ
JC
is located on the thermal tab.
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