Voltage Regulators. PQ12RD11 Datasheet

PQ12RD11 Regulators. Datasheet pdf. Equivalent


Part PQ12RD11
Description 1A Output / General Purpose Low Power-loss Voltage Regulators
Feature Low Power-Loss Voltage Regulators PQ05RD11 Series PQ05RD11 Series 1A Output, General Purpose Low P.
Manufacture Sharp
Datasheet
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Low Power-Loss Voltage Regulators PQ05RD11 Series PQ05RD11 PQ12RD11 Datasheet
Recommendation Recommendation Datasheet PQ12RD11 Datasheet




PQ12RD11
Low Power-Loss Voltage Regulators
PQ05RD11 Series
PQ05RD11 Series
1A Output, General Purpose Low Power-loss Voltage Regulators
s Features
¡Low Power-loss (Dropout voltage : MAX.0.5V at Io=0.5A)
¡Line-up for 5V, 9V and 12V output type
¡Compact resin package (TO-220 package)
¡High-precision output voltage type
Output voltage precision : ±3.0%
¡Built-in ON/OFF control function
¡Built-in overcurrent protection, overheat protection, ASO
protection circuit
s Applications
¡Power supplies for various electronic equipment such as AV,
OA equipment
s Outline Dimensions
4-(φ1.4)
10.2MAX
PQ05RD11 φ3.2±0.1
4-1.4
+0.3
-0
4-0.6
+0.2
-0.1
3-(2.54)
(Unit : mm)
4.5±0.2
2.8±0.2
(1.5)
(0.5)
1234
Internal connection diagram
1
Control circuit
3
2 1 DC input (VIN)
2 DC output (VO)
4 3 GND
4 ON/OFF control
terminal (VC)
s Absolute Maximum Ratings
Parameter
*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 operate at 125=<Tj=<150˚C
Symbol
VIN
VC
IO
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
Rating
Unit
20 V
20 V
1.0 A
1.4 W
15
150 ˚C
-20 to +80
˚C
-40 to +150 ˚C
260 (For 10s) ˚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.”



PQ12RD11
Low Power-Loss Voltage Regulators
PQ05RD11 Series
s Electrical Characteristics
(Unless otherwise specified, conditions shall be IO=0.5A,*3,Ta=25˚C)
Parameter
PQ05RD11
Output voltage
PQ09RD11
PQ12RD11
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
*6 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Symbol
Conditions
VO -
RegL
RegI
TCVO
RR
Vi-o
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Io=5mA to 1.0A
*4 , Io=5mA
Tj=0 to 125˚C, Io=5mA
-
*5
VC=2.7V
VC=0.4V
Io=0A
-
-
MIN.
4.85
8.73
11.64
-
-
-
45
-
2
-
-
-
-
TYP.
5.0
9.0
12.0
0.1
0.5
±0.02
55
-
-
-
-
-
-
MAX.
5.15
9.27
12.36
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
10
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
*3 PQ05RD11:VIN =7V, PQ09RD11:VIN =11V, PQ12RD11: VIN =14V
*4 PQ05RD11:VIN = 6 to 12V, PQ09RD11:VIN =10 to 16V, PQ12RD11: VIN =13 to 19V
*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.
Fig.1 Test Circuit
Fig.2 Test circuit for Ripple Rejection
VIN 1q
0.33µF
2q 47µF VO
3q
4q VC
IC
A
+
A IO
V
A Iq
RL
~ ei
1q
0.33µF
VIN
+
2q
IO
4q
3q
+
RL V~ eo
47µF
Fig.3 Power Dissipation vs. Ambient
Temperature
20
PD1 :No heat sink
PD2 :With infinite heat sink
PD2
,,,15
,,,10
5
,,,PD1
,,,0
-20 0 20 40 60 80
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may operate
in this area.
f=120Hz (sine wave)
ei=0.5Vrms
VIN= 7V (PQ05RD11)
VIN=11V (PQ09RD11)
VIN=14V (PQ12RD11)
IO=0.3A
RR=20 log (ei/eo)
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
(PQ05RD11)
100
80
VIN=20V
60
VIN=15V
40
VIN=7V
20
0
0 0.5 1.0 1.5 2.0 2.5
Output current IO (A)







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