PQ30VB11 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
PQ30VB11
Sharp Electronics
'PQ30VB11' PDF : 4 Pages View PDF
Low Power-Loss Voltage Regulators
PQ30VB11
s Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=15V, Vo=10V, Io=0.5A, R1=390Ω, Ta=25˚C)
Parameter
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
Overheat shut-down temperature
Symbol
VIN
VO
RegL
RegI
RR
Vref
TeVref
Vi-O
Iq
Tsd
Conditions
-
-
IO=5mA to 1A
VIN=11 to 28V
Refer to Fig. 2
Tj=0 to 125˚C, IO=5mA
*4, IO=0.5A
IO=0
MIN. TYP. MAX. Unit
4.5
-
35
V
1.5
-
30
V
-
0.3
1.0
%
-
0.5
2.5
%
45
55
-
dB
1.225 1.25 1.275
V
-
±1.0
-
%
-
-
0.5
V
-
-
7
mA
110
130
150
˚C
*4 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Fig.1 Test Circuit
VIN
1q
0.33µF
2q
R2
3q 4q
R1
A Iq 390Ω
47µF VO
A IO
+
Vref
V
V
RL
VO=Vref X 1+ ---RR----21---- =1.25X 1+ ----RR---21----
[R1=390Ω,Vref =1.25V]
Fig.2 Test Circuit of Ripple Rejection
ei ~
VIN
1q
0.33µF
2q
R2
3q 4q
R1
390Ω
47µF +
IO
+
V~ eo
RL
IO=0.5A
f=120Hz (sine wave)
ei=0.5Vrms
RR=20 log (ei/eo)
Fig.3 Power Dissipation vs. Ambient
Temperature
PD1 :No heat sink
PD2 :With infinite heat sink
13
12 PD2
11
10
9
8
7
6
5
4
3
2 PD1
1
0
-20 0
50
100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection operates in this
area.
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
80
60
40
20
0
0.5
1.0
1.5
2.0
Output current IO (A)
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