Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Variable Output Low Power-Loss Voltage Regulators
■ Features
¡Compact resin full-mold package
¡Low power-loss (Dropout voltage : MAX.0.5V)
¡Variable output voltage (setting range : 1.5 to 30V)
¡Built-in output ON/OFF control function
■ Applications
¡Power supply for print concentration control of electronic
typewriters with display
¡Series power supply for motor drives
¡Series power supply for VCRs and TVs
■ Model Line-ups
Output voltage
Reference voltage
precision : ±4%
Reference voltage
precision : ±2%
1A output
PQ30RV1
PQ30RV11
2A output
PQ30RV2
PQ30RV21
■ Outline Dimensions
10.2MAX
7.4±0.2
PQ30RV31
29.1MAX
13.5MIN
●1 ●2 ●3 ●4
Internal connection diagram
1
Specific IC
3
φ3.2±0.1
4-1.4
4-0.6
3-(2.54)
2
4
3.6±0.2
+0.3
-0
+0.2
-0.1
1 DC input (VIN)
2 DC output (V
3 GND
4 Output voltage
minute
adjustment
terminal (V
4.5±0.2
(0.5)
O)
ADJ)
(Unit : mm)
2.8±0.2
4.8MAX
15.6±0.5
(1.5)
■ Equivalent Circuit Diagram
1 2
Reference
voltage
generation
circuit
“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”
*ASO
protection
circuit
Overheat
protection
circuit
-
4
+
*ASO:Area of Safety
Operation
3
· Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
■ Absolute Maximum Ratings
*1
Input voltage
*1
Output voltage adjustment voltage
Output current
Power dissipation (No heat sink)
Power dissipation
(With infinite heat sink)
*2
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
All are open except GND and applicable terminals.
*2
Overheat protection may operate at T
Parameter Symbol Rating Unit
V
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
j
>=125˚C.
IN
V
ADJ
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
35
7
1
2
1.5
15
18
150
-20to+80
-40to+150
260 (For 10s)
■ Electrical Characteristics
Unless otherwise specified, condition shall be
IN
=15V, VO=10V, IO=0.5A, R1=390Ω (PQ30RV1/PQ30RV11)
V
IN
=15V, VO=10V, IO=1.0A, R1=390Ω (PQ30RV2/PQ30RV21) (Ta=25˚C)
V
Parameter Symbol Conditions
Input voltage
Output voltage
Load regulation
PQ30RV1/PQ30RV2
PQ30RV11/PQ30RV21
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
Line regulation
Ripple rejection
Reference voltage
PQ30RV1/PQ30RV2
PQ30RV11/PQ30RV21
Temperature coefficient of reference voltage
Dropout voltage
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
Quiescent current
*3
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
V
V
RegL
R
RR
V
TcV
Vi-
IN
2
=94Ω to 8.5kΩ
R
O
2
=84Ω to 8.7kΩ
R
O
=5mA to 1A
I
O
=5mA to 2A
I
IN
=11 to 28V
V
eg
I
ref
=0
C
ref
=3.3µF
C
ref
j
=0 to 125˚C
T
ref
*3
, IO=0.5A
O
*3
, IO=2A
O
=0
I
I
q
-
Fefer to Fig. 2
-
4.5
1.5
-
-
45
55
1.20
1.225
-
-
-
-
-
0.3
0.5
0.5
55
65
1.25
1.25
±1.0
-
-
Fig.1 Test Circuit
MAX.TYP.MIN.
35
30
1.0
1.0
2.5
-
-
1.30
1.275
-
0.5
7
(Ta=25˚C)
V
V
A
W
W
˚C
˚C
˚C
˚C
Unit
V
V
%
%
dB
V
%
V
mA
V
IN
0.33µF
●3
A
●2●1
R
●4
R
Iq390Ω
2
V
1
ref
V
Fig.2 Test Circuit of Ripple Rejection
e
i
~
V
IN
0.33µF
●2●1
R
●4
●3
R
390Ω
+
2
C
ref
1
3.3µF
47µF
+
47µF
+
V
O
R
2
I
O
A
V
R
L
+
O
I
e
o
V
~
R
L
VO=V
[R1=390Ω,V
IO=0.5A
f=120Hz (sine wave)
i
=0.5V
e
RR=20 log (ei/eo)
R
ref
X 1+ --------- =1.25X 1 + ---------
R
1
ref
=1.25V]
rms
2
R
1
Low Power-Loss Voltage Regulators
0
5
10
15
20
0-20 50 100 150
P
D2
P
D1
Power dissipation P
D
(W)
Ambient temperature Ta (˚C)
P
D1
:No heat sink
P
D2
:With infinite heat sink
Fig.3 Power Dissipation vs. Ambient
Note) Oblique line portion:Overheat protection may operate
Fig.5
Temperature (PQ30RV1/PQ30RV11)
20
15
(W)
D
10
5
Power dissipation P
0
in this area.
D1
:No heat sink
P
P
D2
:With infinite heat sink
P
D2
P
D1
0-20 50 100 150
Ambient temperature Ta (˚C)
Overcurrent Protection Characteristics
(PQ30RV1/PQ30RV11)
100
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Fig.4 Power Dissipation vs. Ambient
Note) Oblique line portion:Overheat protection may operate
Fig.6
Temperature (PQ30RV2/PQ30RV21)
in this area.
Overcurrent Protection Characteristics
(PQ30RV2/PQ30RV21)
100
80
60
40
20
Relative output voltage (%)
0
0.5 1.0 1.5 2.00
Output current IO (A)
Fig.7 Output Voltage Adjustment
Characteristics
30
1 390Ω
25
20
15
10
Output voltage VO (V)
5
0
1
10
10
R
2
10
R2 (Ω)
3
4
10
80
60
40
20
Relative output voltage (%)
0
1.0 2.0 3.0 4.00
Output current IO (A)
Fig.8 Reference Voltage Deviation vs.
Junction Temperature
10
(mV)
ref
0
R1=390Ω,R2=2.7kΩ,VIN=15V
O
=0.5A(PQ30RV1/PQ30RV11)
I
O
= 1A(PQ30RV2/PQ30RV21)
Reference voltage deviation ∆V
-10
5
10
I
-25 0 25 50 75 100 125
j
Junction temperature T
(˚C)