Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16
PQ15RF15/PQ15RF16
1A Output, Low Power-Loss Voltage Regulators Considering Power Line Voltage Drop
■ Features
¡Low power-loss (Dropout voltage : MAX. 0.5V)
¡Compact resin full-mold package
¡Conforming to the unified standard for BS converter
¡Output voltage value (15.7V) with an allowance for voltage
loss caused by reverse flow preventing diode
¡Built-in ON/OFF control terminal corresponding to BS antenna
power supply selecting switch
¡High-precision output type (PQ15RF16) (Output voltage
precision : ±2.5%)
■ Applications
¡ TVs and VCRs with built-in BS tuners
¡ BS tuners
■ Outline Dimensions
10.2MAX
7.4±0.2
PQ15RF15
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 ON/OFF control
terminal (V
4.5±0.2
C
)
O
)
(Unit : mm)
2.8±0.2
4.8MAX
15.6±0.5
(1.5)
(0.5)
■ Absolute Maximum Ratings
*1
Input voltage
*1
ON/OFF control terminal 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 opetate at 125=<T
“ 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. ”
Parameter Symbol Rating Unit
j=<150˚C
VIN
VC
IO
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
35
35
1
1.5
15
150
-20 to +80
-40 to +150
260 (For 10s)
V
V
A
W
˚C
˚C
˚C
˚C
· Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16
■ Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=18V, I0=0.5A, Ta=25˚C)
Parameter Symbol Conditions
●3
A
PQ15RF15
PQ15RF16
●2●1
V
C
●4
A
I
q
V
O
O
=5mA to 1.0A
R
RR
V
eg
CVO
i-O
qs
I
I
)
)
)
I
N
=17 to 27V
V
j
=0 to 125˚C
T
Refer to Fig. 2
*3
IO=0.5A
*4
VC=2.7V
C
=0.4V
V
O
=0A
I
RegL
T
VC (ON)
C (ON
I
C (OFF
V
C (OFF
I
Fig.2 Test Circuit of Ripple Rejection
V
O
47µF
I
O
A
+
V
R
I
L
C
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
Output OFF-state consumption current
*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
V
IN
0.33µF
MAX.TYP.MIN.
14.92
15.31
2.0
~
e
i
V
IN
0.33µF
●3
15.7
15.7
-
±0.01
-
45
-
0.2
0.2
65
0.2
16.48
16.09
2.0
2.5
0.5
-
-
-
-
-
-
-
0.8
-
-0.4
6
●2●1
●4
47µF
+
I
O
+
R
L
Unit
V
%
%
%/˚C
dB
-
V
-
20
V
µA
V
mA
10
mA
e
o
V
~
Fig.3 Power Dissipation vs. Ambient
Temperature
20
15
(W)
D
10
5
Power dissipation P
0
-20 0
Note) Oblique line portion:Overheat protection may operate
in this area.
PD1 :No heat sink
P
D2
:With infinite heat sink
P
D2
D1
P
50 100 150
Ambient temperature Ta (˚C)
f=120Hz (sine wave)
i
=0.5V
rms
e
RR=20 log (ei/eo)
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
80
60
40
20
Relative output voltage (%)
0
0 1.0 2.0 3.0
Output current
I
O
(A)
Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16
Fig.5 Output Voltage Deviation vs. Junction
Temperature
250
V
IN
(mV)
O
200
150
I
O
=18V
=0.5A
100
50
0
-50
-100
-150
Output voltage deviation ∆V
-200
-25 0 5025 10075 125
Junction temperature T
j
(˚C)
Fig.7 Circuit Operating Current vs.
Input Voltage
30
L=
R
15Ω
R
R
10Ω
L=
L=∞
20
10
Circuit operating current IBIAS (mA)
0
0 5 10 15 20
R
L=30Ω
Input voltage VIN (V)
Fig.6 Output Voltage vs. Input Voltage
20
(V)
O
15
R
L
=30Ω
R
L
=∞
10
R
L
=15Ω
5
Output voltage V
0
0 5 10 15 20 25
Input voltage V
IN
(V)
Fig.8 Dropout Voltage vs. Junction
Temperature
0.5
0.4
(V)
O
i-
0.3
0.2
Dropout voltage V
0.1
0
-25 0 5025 10075 125
Junction temperature T
I
O
=1A
0.75A
0.5A
0.25A
j
(˚C)
Fig.9 Quiescent Current vs. Junction
Temperature
10
V
IN
=35V
I
O
=0
8
(mA)
q
6
4
2
Quiescent current I
0
-25 0 25 50 75 100 125
Junction temperature T
j
(˚C)
Fig.10 Ripple Rejection vs. Input Ripple
Frequency
80
70
60
50
40
30
20
Ripple rejection RR (dB)
Io=0.5A,e
Tj=25˚C
10
V
0
0.1 101 100
i
=0.5V
rms
,
IN
=18V
Input ripple frequency f (kHz)
Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16
Fig.11 Ripple Rejection vs. Output Current Fig.12 Output Peak Current vs. Junction
Temperature
80
70
60
50
40
Ripple rejection RR (dB)
Tj=25˚C
f=120Hz,e
V
30
0 0.5 1.0 1.5
IN
=18V
Output current
i
=0.5V
rms
,
I
O
(A)
2.5
(A)
OP
2.0
2V
V
IN-VO
=5V
1V
0.5V
1.5
OP
:
Output current when
I
Output peak current I
output voltage is 95% in
comparison with the initial
value
1.0
-25 0 5025 10075 125
Junction temperature T
j
(˚C)
■ Model Line-ups for Lead Forming Type
15.7V outputOutput voltage
Output voltage precision:±5%
Output voltage precision:±2.5%
PQ15RF1F
PQ15RF1G
■ Outline Dimensions (PQ15RF1F/PQ15RF1G)
(Unit : mm)
4.5±0.2
2.8±0.2
16.4±0.7
(5±0.5)
8.2±0.7
(3.2)
(2.0)
4.4MIN
(1.5)
(0.5)
5±0.5
· ( ) : Typical value
· Radius of lead forming portion : R=0.5 to 1.5mm
(24.6)
10.2MAX
7.4±0.2
PQ15RF15
●1 ●2 ●3 ●4
φ3.2±0.1
4-1.4
4-0.6
3-(2.54)
3.6±0.2
+0.3
-0
+0.2
-0.1
Internal connection diagram
1
Specific IC
3
2
4
1 DC input (V
2 DC output (V
3 GND
4 ON/OFF control
terminal (V
IN
)
O
)
C
)
Note) The value of absolute maximum ratings and electrical characteristics is same as ones of PQ15RF15/16 series.
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