PQ3DF53 데이터 시트보기 (PDF) - Sharp Electronics
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PQ3DF53 Datasheet PDF : 4 Pages
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Low Power-Loss Voltage Regulators
PQ3DF53
s Electrical Characteristics
(Unless otherwise specified, conditions shall be VIN=5V, IO=2.5A Ta=25˚C)
Parameter
Output voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
*4 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Symbol
VO
RegL
RegI
TCVO
RR
Vi-o
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Conditions
-
IO=5mA to 5.0A
VIN=4 to 10V
Tj=0 to 125˚C
-
*3, IO=5.0A
-
VC=2.7V
-
VC=0.4V
IO=0A
MIN.
3.218
-
-
-
45
-
2.0
-
-
-
-
TYP.
3.3
0.5
0.5
±0.02
55
-
-
-
-
-
-
MAX.
3.382
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
17
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
*3 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
*4 In case of opening control terminal 4, output voltage turns on.
Fig.1 Test Circuit
VIN
1q
5q
0.33µF
2q
47µF VO
4q VC
3q
+
A
A Iq
IC
A IO
V
RL
Fig.2 Test Circuit for Ripple Rejection
1q
~ ei
5q
0.33µF
VIN
2q
4q
3q
47µF +
IO
+
RL V~ eo
f=120Hz (sine wave)
ei=0.5Vrms
VIN=5V
IO=0.5A
RR=20 log (ei/eo)
Fig.3 Power Dissipation vs. Ambient
Temperature
60
PD2
50
40
30
PD1 :No heat sink
PD2 :With infinite heat sink
20
10
PD1
0
-20 0 20 40 60 80
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may
operate in this area.
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
80
60
40
20
0
0 2 4 6 8 10 12
Output current IO (A)
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