SHARP PQ15RF16

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)
4.5±0.2
10.2MAX
7.4±0.2
3.6±0.2
2.8±0.2
13.5MIN
φ3.2±0.1
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
4.8MAX
15.6±0.5
PQ15RF15
29.1MAX
¡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%)
(1.5)
(0.5)
3-(2.54)
■ Applications
¡ TVs and VCRs with built-in BS tuners
¡ BS tuners
1
● 2
● 3
● 4
●
Internal connection diagram
1
2
Specific IC
4
1 DC input (VIN)
2 DC output (VO)
3 GND
4 ON/OFF control
terminal (VC)
3
■ Absolute Maximum Ratings
Parameter
*1
*1
*2
*1
*2
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
(Ta=25˚C)
Symbol
Rating
Unit
VIN
35
V
VC
35
V
IO
1
A
PD1
1.5
W
PD2
15
Tj
150
˚C
Topr
-20 to +80
˚C
Tstg
-40 to +150
˚C
Tsol
260 (For 10s) ˚C
All are open except GND and applicable terminals.
Overheat protection may opetate at 125=<Tj=<150˚C
· 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
■ Electrical Characteristics
PQ15RF15/PQ15RF16
(Unless otherwise specified, condition shall be VIN=18V, I0=0.5A, Ta=25˚C)
Parameter
Symbol
PQ15RF15
PQ15RF16
Output voltage
Conditions
VO
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
RegL
RegI
TCVO
RR
Vi-O
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iqs
IO=5mA to 1.0A
VN=17 to 27V
Tj=0 to 125˚C
Refer to Fig. 2
*3 IO=0.5A
*4
VC=2.7V
VC=0.4V
IO=0A
*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
●
4
●
0.33µF
A
VO
47µF
VC
A
IO
+
A
Iq
TYP.
15.7
15.7
0.2
0.2
±0.01
65
0.2
6
MAX.
16.48
16.09
2.0
2.5
0.5
20
0.8
-0.4
10
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
Fig.2 Test Circuit of Ripple Rejection
2
●
3
●
MIN.
14.92
15.31
45
2.0
-
1
●
~
ei
IO
4
●
3
●
V
RL
+
2
●
47µF +
0.33µF
VIN
RL V
~ eo
IC
f=120Hz (sine wave)
ei=0.5Vrms
RR=20 log (ei/eo)
Fig.3 Power Dissipation vs. Ambient
Temperature
20
Power dissipation PD (W)
PD2
10
5
PD1
0
-20
0
50
100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may operate
in this area.
Relative output voltage (%)
100
PD1 :No heat sink
PD2 :With infinite heat sink
15
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
80
60
40
20
0
0
1.0
2.0
Output current IO (A)
3.0
Low Power-Loss Voltage Regulators
Fig.6 Output Voltage vs. Input Voltage
250
20
VIN =18V
200
IO =0.5A
150
15
Output voltage VO (V)
Output voltage deviation ∆VO (mV)
Fig.5 Output Voltage Deviation vs. Junction
Temperature
PQ15RF15/PQ15RF16
100
50
0
-50
-100
RL=30Ω
RL=∞
10
RL=15Ω
5
-150
-200
-25
0
25
50
75
100
Junction temperature Tj (˚C)
0
125
0
5
10
15
20
Input voltage VIN (V)
25
Fig.8 Dropout Voltage vs. Junction
Temperature
Fig.7 Circuit Operating Current vs.
Input Voltage
30
RL=
10Ω
20
10
RL=30Ω RL=
15Ω
0
0
5
10
15
Input voltage VIN (V)
Dropout voltage Vi-O (V)
Circuit operating current IBIAS (mA)
0.5
RL=∞
20
Fig.9 Quiescent Current vs. Junction
Temperature
IO =1A
0.3
0.75A
0.2
0.5A
0.1
0
-25
0.25A
0
25
50
75
100
Junction temperature Tj (˚C)
125
Fig.10 Ripple Rejection vs. Input Ripple
Frequency
10
80
VIN =35V
IO =0
70
Ripple rejection RR (dB)
Quiescent current Iq (mA)
0.4
8
6
4
2
0
-25
0
25
50
75
100
Junction temperature Tj (˚C)
125
60
50
40
30
20
Io=0.5A,ei=0.5Vrms,
10 Tj=25˚C
VIN=18V
0
0.1
1
10
Input ripple frequency f (kHz)
100
Low Power-Loss Voltage Regulators
PQ15RF15/PQ15RF16
Fig.11 Ripple Rejection vs. Output Current
Fig.12 Output Peak Current vs. Junction
Temperature
2.5
Output peak current IOP (A)
Ripple rejection RR (dB)
80
70
60
50
40
Tj=25˚C
f=120Hz,ei=0.5Vrms,
30 VIN=18V
0
0.5
1.0
Output current IO (A)
VIN-VO =5V
2.0
2V
1V
0.5V
1.5
IOP:Output current when
output voltage is 95% in
comparison with the initial
value
1.0
-25
1.5
0
25
50
75
100
Junction temperature Tj (˚C)
125
■ Model Line-ups for Lead Forming Type
Output voltage
15.7V output
Output voltage precision:±5%
PQ15RF1F
Output voltage precision:±2.5%
PQ15RF1G
(Unit : mm)
■ Outline Dimensions (PQ15RF1F/PQ15RF1G)
4.5±0.2
10.2MAX
5)
16.4±0.7
±0
.
φ3.2±0.1
(5
(24.6)
PQ15RF15
(2.0)
7.4±0.2
3.6±0.2
2.8±0.2
+0.3
-0
4-0.6
+0.2
-0.1
(0.5)
(3.2)
3-(2.54)
4.4MIN
(1.5)
4-1.4
5±0.5
8.2±0.7
· ( ) : Typical value
· Radius of lead forming portion : R=0.5 to 1.5mm
1
● 2
● 3
● 4
●
Internal connection diagram
1
2
Specific IC
3
4
1 DC input (VIN)
2 DC output (VO)
3 GND
4 ON/OFF control
terminal (VC)
Note) The value of absolute maximum ratings and electrical characteristics is same as ones of PQ15RF15/16 series.