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Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
s
Features
Low power-loss (Dropout voltage : MAX. 0.5V)
Compact resin full-mold package
Built-in ON/OFF control terminal
High-precision output (Output voltage precision :
2.5%)
(PQ05RH11 Series)
s
Applications
Series power supply for various electronic equipment such as
VCRs and OA equipment.
s
Outline Dimensions
(Unit : mm)
1.5A Output, Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
s
Equivalent Circuit Diagram
Output voltage
PQ05RH1
PQ05RH11
Output voltage
precision:5%
Output voltage
precision:2.5%
s
Model Line-ups
5V Output
PQ09RH1
PQ09RH11
9V Output
PQ12RH1
PQ12RH11
12V Output
2
3
1
4
PQ05RH1
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 DC input (V
IN
)
2 DC output (V
O
)
3 GND
4 ON/OFF control
terminal (V
C
)
1
2
-
+
4
3
*ASO:Area of Safety
Operation
*ASO
protection
circuit
Reference
voltage
generation
circuit
Output
ON/OFF
control circuit
Overheat
protection
circuit
Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
Parameter
Symbol
Conditions
V
O
R
eg
L
R
eg
I
TcVo
RR
V
i
-o
V
C
(
ON
)
I
C
(
ON
)
V
C
(
OFF
)
I
C
(
OFF
)
I
q
Output voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Unit
MAX.
TYP.
MIN.
PQ05RH1
PQ09RH1
PQ12RH1
PQ05RH11
PQ09RH11
PQ12RH11
4.75
8.55
11.4
4.88
8.78
11.7
-
-
-
45
-
2.0
*6
-
-
-
-
-
I
O
=5mA
to
1.5A
*4
T
j
=0 to 125C
Refer to Figs.2
*5
-
V
C
=2.7V
-
V
C
=0.4V
I
O
=0
5.0
9.0
12.0
5.0
9.0
12.0
0.3
0.5
0.02
55
-
-
-
-
-
-
5.25
9.45
12.6
5.12
9.22
12.3
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
10
V
%
%
%/C
dB
V
V
A
V
mA
mA
s
Electrical Characteristics
*3
PQ05RH1 series
:V
IN
=7V,
PQ09RH1 series
:V
IN
=15V,
PQ12RH1 series
:V
IN
=18V
*4
PQ05RH1/PQ05RH11
:V
IN
=6 to 12V
PQ09RH1/PQ09RH1
:V
IN
=10 to 25V
PQ12RH1/PQ12RH1
:V
IN
=13 to 29V
*5
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
*6
In case of opening control terminal 4, output voltage turns on.
(Unless otherwise specified , condition shall be Io=0.5A, T
a
=25C
*3
)
Parameter
Symbol
Rating
Unit
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
35
35
1.5
1.5
18
150
-20 to +80
-40 to +150
260 (For 10s)
V
V
A
W
W
C
C
C
C
Input voltage
ON/OFF control terminal 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 125<=T
j
<=150C.
s
Absolute Maximum Ratings
(T
a
=25C)
Fig.1 Test Circuit
Fig.2 Test Circuit of Ripple Rejection
q
3
q
2
q
1
q
4
V
e
i
V
IN
e
o
R
L
0.33
F
47
F
+
+
~
~
q
3
q
2
q
1
q
4
A
V
A
A
V
IN
I
q
I
C
I
O
V
O
V
C
R
L
0.33
F
47
F
+
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
Fig.3 Power Dissipation vs. Ambient
Temperature
Fig.5 Output Voltage Deviation vs. Junction
Temperature (PQ05RH1/PQ05RH11)
Fig.7 Output Voltage Deviation vs. Junction
Temperature (PQ12RH1/PQ12RH11)
Fig.6 Output Voltage Deviation vs. Junction
Temperature (PQ09RH1/PQ09RH11)
Fig.8 Output Voltage vs. Input Voltage
(PQ05RH1/PQ05RH11)
Fig.4 Overcurrent Protection
Characteristics (Typical value)
V
IN
=7V
I
O
=0.5A
-25
0
50
25
100
75
125
150
100
50
0
-50
-100
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
V
O
=15V
I
O
=0.5A
-25
0
50
25
100
75
125
200
150
100
50
0
-50
-100
-150
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
-200
-25
0
50
25
100
75
125
250
200
150
100
50
0
-50
-100
-150
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
V
IN
=18V
I
O
=0.5A
0
0
2
6
4
8
10
8
7
6
5
4
3
2
1
R
L
=
R
L
=10
R
L
=5
Output voltage V
O
(V)
Input voltage V
IN
(V)
T
j
=25C
0
-20
0
P
D1
P
D2
50
100
150
5
10
15
20
Power dissipation P
D
(W)
Ambient temperature T
a
(C)
P
D1 :
No heat sink
P
D2 :
With infinite heat sink
Note) Oblique line portion:Overheat protection may operate in
this area.
0
1.0
2.0
3.0
100
80
40
60
20
0
Relative output voltage (%)
Output current I
O
(A)
Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
Fig.9 Output Voltage vs. Input Voltage
(PQ09RH1/PQ09RH11)
Fig.11 Circuit Operating Current vs. Input
Voltage (PQ05RH1/PQ05RH11)
Fig.13 Circuit Operating Current vs. Input
Voltage (PQ12RH1/PQ12RH11)
Fig.12 Circuit Operating Current vs. Input
Voltage (PQ09RH1/PQ09RH11)
Fig.14 Dropout Voltage vs. Junction
Temperature
Fig.10 Output Voltage vs. Input Voltage
(PQ12RH1/PQ12RH11)
0
0
5
10
15
5
10
R
L
=
R
L
=18
R
L
=9
Output voltage V
O
(V)
Input voltage V
IN
(V)
T
j
=25C
0
0
5
10
15
20
25
5
10
15
20
Output voltage V
O
(V)
Input voltage V
IN
(V)
R
L
=
R
L
=24
R
L
=12
T
j
=25C
0
0
5
10
20
40
60
R
L
=
R
L
=5
R
L
=10
R
L
=3.3
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
T
j
=25C
0
0
5
10
15
20
40
60
R
L
=
R
L
=9
R
L
=18
R
L
=6
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
T
j
=25C
0
0
5
10
15
20
20
40
60
R
L
=
R
L
=24
R
L
=8
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
R
L
=12
T
j
=25C
-25
0
50
25
100
75
125
0.5
0.4
0.2
0.3
0.1
0
Dropout voltage V
i
-O
(V)
Junction temperature T
j
(C)
V
O
=1A
0.75A
0.5A
0.25A
Low Power-Loss Voltage Regulators
PQ05RH1/PQ05RH11 Series
Fig.15 Quiescent Current vs. Junction
Temperature
Fig.17 Ripple Rejection vs. Output Current
Fig.18 Output Peak Current vs. Junction
Temperature
Fig.16 Repple Rejection vs. Input Ripple
Frequency
s
Typical Application
0
-25
0
25
50
75
100
125
2
4
6
8
V
IN
=35V
I
O
=0
10
Quiescent current I
q
(mA)
Junction temperature T
j
(C)
0
0.1
10
1
100
10
20
30
40
50
60
70
80
Ripple rejection RR (dB)
Input ripple frequency f
(kHz)
I
O
=0.5A,e
i
=0.5V
rms
V
IN
=7V(
PQ05RH1/PQ05RH11
)
V
IN
=15V(
PQ09RH1/PQ09RH11
)
V
IN
=18V(
PQ12RH1/PQ12RH11
)
30
0
0.5
1.0
1.5
40
50
60
70
80
Ripple rejection RR (dB)
Output current I
O
(A)
T
j
=25C
f=120Hz,e
i
=0.5V
rms
,
V
IN
=7V(
PQ05RH1/PQ05RH11
)
V
IN
=15V(
PQ09RH1/PQ09RH11
)
V
IN
=18V(
PQ12RH1/PQ12RH11
)
-20
0
50
25
100
75
125
2.5
2.0
1.5
I
OP
:Output current when
output voltage is 95% in
comparison with the initial value
1.0
Output peak current I
OP
(A)
Junction temperature T
j
(C)
V
IN-
V
O
=5V
1V
2V
0.5V
V
IN
V
O
C
O
Specific IC
q
2
q
3
q
1
q
4
Load
+
+
High or Open :Output ON
Low :Output OFF
ON/OFF
signal
CMOS or TTL
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