Low Power-Loss Voltage Regulators
查询PQ05NF1供应商
PQ05NF1 Series
1A Output, General Purpose Low Power-Loss Voltage Regulators
PQ05NF1 Series
¡TO-220 package
¡Low power-loss (Dropout voltage : MAX.0.5V)
[Applying the voltage exceeding Vo+2.5V to control terminal]
¡Built-in ON/OFF control function
¡Output voltage precision : ±4%
■ Applications
¡Power supplies for various electronic equipment such as TVs, VCRs,
CD stereos etc.
■ Model Line-ups
5V output
PQ05NF1
9V output
PQ09NF1
12V output
PQ12NF1
■ Outline Dimensions■ Features
10.2MAX
7.4±0.2
PQ05NF1
29.1MAX
13.5MIN
●1 ●2 ●3 ●4
Internal connection diagram
3
4
Control circuit
2
1
φ3.2±0.1
4-1.4
4-0.6
3-(2.54)
3.6±0.2
+0.3
-0
+0.2
-0.1
1 DC output (V
2 GND
3 DC input (V
4 Bias input (V
(Unit : mm)
4.5±0.2
(0.5)
O
)
IN
)
B
)
2.8±0.2
4.8MAX
15.6±0.5
(1.5)
■ Absolute Maximum Ratings
(Ta=25˚C)
Parameter Symbol Rating Unit
*1
Input voltage
*1
Bias supply voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
*2
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
All are open except GND and applicable terminals.
*1
*2 Overheat protection may operate at 125=<Tj=<150˚C
“ 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. ”
VIN
VB
IO
PD1
PD2
Tj
Topr
Tstg
Tsol
24
24
1
1.4
14
150
-
20 to +85
-
40 to +150
260 (For 10s)
V
V
A
W
W
˚C
˚C
˚C
˚C
· Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators
PQ05NF1 Series
■ Electrical Characteristics
Parameter Symbol Conditions
PQ05NF1
Output voltage
PQ09NF1
V
PQ12NF1
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
Bias inflow current
Bias limitation current
RegL
R
CVO
T
RR
RR
Vi-
I
IB (l)
Ground current
OFF-state bias supply voltage
*3
PQ05NF1:V
*4
PQ05NF1:VB=8V, PQ09NF1:VB=12V, PQ12NF1:VB=15V
*5
PQ05NF1:VIN=6V to 16V, PQ09NF1:VIN=10V to 20V, PQ12NF1:VIN=13V to 23V
*6
PQ05NF1:VB=8V to 24V, PQ09NF1:VB=12V to 24V, PQ12NF1:VB=15V to 24V
*7
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
IN=7V, PQ09NF1:VIN=11V, PQ12NF1:VIN=14V
VB (
O
eg
I
1
2
O
B1
g
I
OFF
IN
=7V
V
IN
=11V
V
IN
=14V
V
O
=5mA to 1A
I
*5,*6
Tj=0 to 125˚C
Refer to Fig.2
Refer to Fig.3
*7
,VB>=VO+2.5V
IN=VO
+1V
V
IN
=0 to 24V, VB=0 to 24V
V
O
=0A
I
)
Fig.1 Test Circuit
V
I
B
●4
V
IN
0.33
µF
A
V
B
0.33
µF
●1●3
●2
A
I
g
10µF
O
I
O
+
V
R
L
(Unless otherwise specified, IO=0.5A/*3/*4/Ta=25˚C)
UnitMAX.TYP.MIN.
4.8
8.64
11.52
45
45
5.0
9.0
12.0
-
-
-
-
-
-
3.5
-
-
5.2
9.36
V
12.48
-
2.0
-
2.0
-
-
-
-
-
-
-
-
-
0.5
15
40
8
-
0.8
%
%
%/˚C
dB
dB
V
mA
mA
mA
V
Fig.2 Test Circuit of Ripple Rejection(1)
V
e
i
~
0.33
µF
V
V
IN
●4
B
0.33
µF
O
●1●3
●2
Fig.3 Test Circuit of Ripple Rejection(2)
V
O
I
B
●4
~
V
0.33
µF
B
0.33
µF
V
IN
●1●3
●2
10µF
10µF
+
~
~
f=120Hz (Sine wave)
I
O
=0.5A
i
=0.5V
rms
e
RR=20 log (ei/eo)
f=120Hz (Sine wave)
O
=0.5A
I
i
=0.5V
rms
e
RR=20 log (ei/eo)
I
O
+
V
R
L
+
I
O
+
V
R
L