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Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
s
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
s
Outline Dimensions
(Unit : mm)
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Variable Output Low Power-Loss Voltage Regulators
2
3
1
4
PQ30RV31
1 DC input (V
IN
)
2 DC output (V
O
)
3 GND
4 Output voltage
minute
adjustment
terminal (V
ADJ
)
Internal connection diagram
Specific IC
29.1MAX
10.2MAX
7.40.2
3.60.2
3.20.1
+0.3
-0
4-1.4
+0.2
-0.1
4-0.6
13.5MIN
3-(2.54)
4.50.2
2.80.2
15.60.5
4.8MAX
(1.5)
(0.5)
q
1
q
2
q
3
q
4
1
2
4
-
+
3
Reference
voltage
generation
circuit
*ASO
protection
circuit
Overheat
protection
circuit
*ASO:Area of Safety
Operation
Please refer to the chapter" Handling Precautions ".
s
Equivalent Circuit Diagram
Output voltage
PQ30RV1
PQ30RV11
Reference voltage
precision : 4%
Reference voltage
precision : 2%
s
Model Line-ups
1A output
PQ30RV2
PQ30RV21
2A output
s
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
Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Parameter
Symbol
Rating
Unit
V
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)
V
V
A
W
W
C
C
C
C
Input voltage
Output voltage adjustment voltage
Output current
Power dissipation (No heat sink)
Power dissipation
(With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
*1
*2
*1
All are open except GND and applicable terminals.
*2
Overheat protection may operate at T
j
>=125C.
s
Absolute Maximum Ratings
(T
a
=25C)
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
~
V
~
q
3
q
2
q
1
q
4
A
V
V
A
V
IN
I
q
390
I
O
V
O
R
L
0.33
F
47
F
+
V
ref
R
2
R
1
q
3
q
2
q
1
q
4
V
IN
e
i
e
o
390
I
O
R
L
0.33
F
47
F
+
C
ref
R
2
R
1
+
3.3
F
+
I
O
=0.5A
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
V
O
=V
ref
X 1+ --------- =1.25X 1+ ---------
R
2
R
1
R
2
R
1
[R
1
=390
,V
ref
=1.25V]
Parameter
Symbol
Conditions
V
IN
V
O
R
eg
L
R
eg
I
RR
V
ref
T
c
V
ref
V
i
-
O
I
q
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
Unit
MAX.
TYP.
MIN.
4.5
1.5
-
-
-
45
55
1.20
1.225
-
-
-
-
R
2
=94
to 8.5k
R
2
=84
to 8.7k
I
O
=5mA to 1A
I
O
=5mA to 2A
V
IN
=11 to 28V
C
ref
=0
Fefer to Fig. 2
C
ref
=3.3F
-
T
j
=0 to 125C
*3
, I
O
=0.5A
*3
, I
O
=2A
I
O
=0
-
-
0.3
0.5
0.5
55
65
1.25
1.25
1.0
-
-
35
30
1.0
1.0
2.5
-
-
1.30
1.275
-
0.5
7
s
Electrical Characteristics
*3
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Unless otherwise specified, condition shall be
V
IN
=15V, V
O
=10V, I
O
=0.5A, R
1
=390
(PQ30RV1/PQ30RV11)
V
IN
=15V, V
O
=10V, I
O
=1.0A, R
1
=390
(PQ30RV2/PQ30RV21)
(T
a
=25C)
V
V
%
%
dB
V
%
V
mA
PQ30RV1/PQ30RV2
PQ30RV11/PQ30RV21
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
PQ30RV1/PQ30RV2
PQ30RV11/PQ30RV21
PQ30RV1/PQ30RV11
PQ30RV2/PQ30RV21
Fig.1 Test Circuit
Fig.2 Test Circuit of Ripple Rejection
Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Fig.3 Power Dissipation vs. Ambient
Temperature (PQ30RV1/PQ30RV11)
Fig.4 Power Dissipation vs. Ambient
Temperature (PQ30RV2/PQ30RV21)
Note) Oblique line portion:Overheat protection may operate
in this area.
0
5
10
15
20
0
-20
50
100
150
P
D2
P
D1
Power dissipation P
D
(W)
Ambient temperature T
a
(C)
P
D1
:No heat sink
P
D2
:With infinite heat sink
0
5
10
15
20
0
-20
50
100
150
P
D2
P
D1
Power dissipation P
D
(W)
Ambient temperature T
a
(C)
P
D1
:No heat sink
P
D2
:With infinite heat sink
Fig.5 Overcurrent Protection Characteristics
(PQ30RV1/PQ30RV11)
Fig.6 Overcurrent Protection Characteristics
(PQ30RV2/PQ30RV21)
0.5
1.0
1.5
2.0
0
0
20
40
60
80
100
Relative output voltage (%)
Output current I
O
(A)
1.0
2.0
3.0
4.0
0
0
20
40
60
80
100
Relative output voltage (%)
Output current I
O
(A)
Fig.7 Output Voltage Adjustment
Characteristics
Fig.8 Reference Voltage Deviation vs.
Junction Temperature
10
1
10
2
10
3
10
4
10
5
R
2
(
)
R
1
390
Output voltage V
O
(V)
0
5
10
15
20
25
30
-25
0
25
50
75
100
125
-10
0
10
Reference voltage deviation
V
ref
(mV)
R
1
=390
,R
2
=2.7k
,V
IN
=15V
I
O
=0.5A(
PQ30RV1/PQ30RV11
)
I
O
= 1A(
PQ30RV2/PQ30RV21
)
Junction temperature T
j
(C)
Note) Oblique line portion:Overheat protection may operate
in this area.
Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Fig.9 Output Voltage vs. Input Voltage
(PQ30RV1/PQ30RV11)
Fig.11 Dropout Voltage vs. Junction
Temperature (PQ30RV1/PQ30RV11)
Fig.13 Quiescent Current vs. Junction
Temperature
Fig.12 Dropout Voltage vs. Junction
Temperature (PQ30RV2/PQ30RV21)
Fig.14 Ripple Rejection vs. Input Ripple
Frequency (PQ30RV1/PQ30RV11)
Fig.10 Output Voltage vs. Input Voltage
(PQ30RV2/PQ30RV21)
0
0
5
10
15
5
10
15
20
R
L
=
R
1
=390
,R
2
=2.7k
,T
j
=25C
R
L
=10
Output voltage V
O
(V)
Input voltage V
IN
(V)
0
0
5
10
15
5
10
15
20
R
L
=
R
1
=390
,R
2
=2.7k
,T
j
=25C
R
L
=5
Output voltage V
O
(V)
Input voltage V
IN
(V)
-20
0
0
0.1
0.2
0.3
0.4
0.5
25
50
75
100
125
R
1
=390
,R
2
=2.7k
V
IN
:input voltage shall be the
value when output voltage is
95% in comparison with the initial value
Io=1A
0.75A
0.25A
0.5A
Junction temperature T
j
(C)
Dropout voltage V
i
-O
(V)
-20
0
0
0.1
0.2
0.3
0.4
0.5
25
50
75
100
125
R
1
=390
,R
2
=2.7k
V
IN
:input voltage shall be the
value when output voltage is
95% in comparison with the initial value
I
O
=2A
1.5A
0.5A
1A
Junction temperature T
j
(C)
Dropout voltage V
i
-O
(V)
0
1
2
3
4
5
-20
0
25
50
75
100
125
Quiescent current I
q
(mA)
V
IN
=35V
I
O
=0
Junction temperature T
j
(C)
0.1
1
10
100
Input ripple frequency f
(kHz)
Ripple rejection RR (dB)
0
10
20
30
40
50
60
70
80
C
ref
=3.3
F
No C
ref
T
j
=25C
R
1
=390
,R
2
=2.7k
I
O
=0.5A,e
i
=0.5V
rms
,
V
IN
=15V
Low Power-Loss Voltage Regulators
PQ30RV1/PQ30RV11/PQ30RV2/PQ30RV21
Fig.15 Ripple Rejection vs. Input Ripple
Frequency (PQ30RV2/PQ30RV21)
Fig.17 Ripple Rejection vs. Output Current
(PQ30RV2/PQ30RV21)
Fig.19 Output Peak Current vs. Dropout
Voltage (PQ30RV2/PQ30RV21)
Fig.18 Output Peak Current vs. Dropout
Voltage (PQ30RV1/PQ30RV11)
Fig.20 Output Peak Current vs. Junction
Temperature (PQ30RV1/PQ30RV11)
Fig.16 Ripple Rejection vs. Output Current
(PQ30RV1/PQ30RV11)
0.1
1
10
100
Input ripple frequency f
(kHz)
Ripple rejection RR (dB)
0
10
20
30
40
50
60
70
80
C
ref
=3.3
F
No C
ref
T
j
=25C
R
1
=390
,R
2
=2.7k
I
O
=0.5A,e
i
=0.5V
rms
,
V
IN
=15V
0
0.2
0.4
0.6
0.8
1.0
30
50
40
60
70
80
C
ref
=3.3
F
No C
ref
T
j
=25C
R
1
=390
,R
2
=2.7k
V
IN
=15V,e
i
=0.5V
rms
,f=120Hz
Output current I
O
(A)
Ripple rejection RR (dB)
0
0.2
0.4
0.6
0.8
1.0
30
50
40
60
70
80
C
ref
=3.3
F
No C
ref
T
j
=25C
R
1
=390
,R
2
=2.7k
V
IN
=15V,e
i
=0.5V
rms
,f=120Hz
Output current I
O
(A)
Ripple rejection RR (dB)
0
5
10
15
1.0
1.5
2.0
T
j
=25C
R
1
=390
,R
2
=2.7k
Output peak current I
OP
(A)
Dropout voltage V
i
-O
(V)
-20
0
25
50
75
100
125
0.5
1.0
1.5
2.0
V
IN
-V
O
=5V
2V
0.5V
R
1
=390
,R
2
=2.7k
I
OP
:Output current when output voltage
is 95% in comparison with the initial value
Junction temperature T
j
(C)
Output peak current I
OP
(A)
0
5
10
15
T
j
=25C
R
1
=390
,R
2
=2.7k
Output peak current I
OP
(A)
Dropout voltage V
i
-O
(V)
3
4
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