Low Power-Loss Voltage Regulators |
PQ15RF15/PQ15RF16 |
PQ15RF15/PQ15RF16
1A Output, Low Power-Loss Voltage Regulators Considering Power Line Voltage Drop
■ Features |
■ Outline Dimensions |
(Unit : mm) |
¡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
10.2MAX |
4.5±0.2 |
2.8±0.2
7.4±0.2 |
3.6±0.2 |
-+00 .3 |
4.8MAX |
15.6±0.5 |
29.1MAX |
4-1.4 |
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PQ15RF15 |
φ3.2±0.1 |
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13.5MIN |
4-0.6 -+0.20.1 |
(1.5) |
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3-(2.54) |
(0.5) |
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1● 2● 3● 4●
Internal connection diagram
1 |
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2 |
1 DC input (VIN) |
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2 DC output (VO) |
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3 GND |
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Specific IC |
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4 |
4 ON/OFF control |
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terminal (VC) |
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3 |
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■ Absolute Maximum Ratings |
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(Ta=25˚C) |
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Parameter |
Symbol |
Rating |
Unit |
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*1 |
Input voltage |
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VIN |
35 |
V |
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*1 |
ON/OFF control terminal voltage |
VC |
35 |
V |
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Output current |
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IO |
1 |
A |
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Power dissipation |
(No heat sink) |
PD1 |
1.5 |
W |
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Power dissipation |
(With infinite heat sink) |
PD2 |
15 |
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*2 |
Junction temperature |
Tj |
150 |
˚C |
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Operating temperature |
Topr |
-20 to +80 |
˚C |
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Storage temperature |
Tstg |
-40 to +150 |
˚C |
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Soldering temperature |
Tsol |
260 (For 10s) |
˚C |
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*1 |
All are open except GND and applicable terminals. |
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*2 |
Overheat protection may opetate at 125=<Tj=<150˚C |
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· Please refer to the chapter“ Handling Precautions ”.
“ 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. ”
Low Power-Loss Voltage Regulators |
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PQ15RF15/PQ15RF16 |
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■ Electrical Characteristics |
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(Unless otherwise specified, condition shall be VIN=18V, I0=0.5A, Ta=25˚C) |
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Parameter |
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Symbol |
Conditions |
MIN. |
TYP. |
MAX. |
Unit |
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Output voltage |
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PQ15RF15 |
VO |
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14.92 |
15.7 |
16.48 |
V |
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PQ15RF16 |
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15.31 |
15.7 |
16.09 |
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Load regulation |
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RegL |
IO=5mA to 1.0A |
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0.2 |
2.0 |
% |
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Line regulation |
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RegI |
VN=17 to 27V |
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0.2 |
2.5 |
% |
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Temperature coefficient of output voltage |
TCVO |
Tj=0 to 125˚C |
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±0.01 |
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%/˚C |
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Ripple rejection |
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RR |
Refer to Fig. 2 |
45 |
65 |
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dB |
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Dropout voltage |
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Vi-O |
*3 IO=0.5A |
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0.2 |
0.5 |
V |
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ON-state voltage for control |
VC (ON) |
*4 |
2.0 |
- |
- |
V |
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ON-state current for control |
IC (ON) |
VC=2.7V |
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20 |
μA |
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OFF-state voltage for control |
VC (OFF) |
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0.8 |
V |
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OFF-state current for control |
IC (OFF) |
VC=0.4V |
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-0.4 |
mA |
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Output OFF-state consumption current |
Iqs |
IO=0A |
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6 |
10 |
mA |
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*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
VIN |
1● |
2● |
47μF |
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VO |
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4●VC |
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A |
IO |
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3● |
A |
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V |
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0.33μF |
Iq |
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RL |
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A |
IC |
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Fig.2 Test Circuit of Ripple Rejection
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1● |
2● |
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+ |
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IO |
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ei |
~ |
4● |
47μF |
+ |
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0.33μF |
3● |
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RL V~ |
eo |
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VIN |
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f=120Hz (sine wave) ei=0.5Vrms
RR=20 log (ei/eo)
Fig.3 Power Dissipation vs. Ambient |
Fig.4 Overcurrent Protection |
Temperature |
Characteristics (Typical Value) |
20 |
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PD1 :No heat sink |
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PD2 :With infinite heat sink |
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15 |
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PD2 |
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Relativeoutput voltage (%) |
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Powerdissipation (W)PD |
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10 |
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5 |
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PD1 |
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0 |
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-20 |
0 |
50 |
100 |
150 |
100
80
60
40
20
0
0 |
1.0 |
2.0 |
3.0 |
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may operate in this area.
Output current IO (A)
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